Herbicidal aryl triazolinones

Abstract

Herbicidal aryl triazolinones include the compounds of the formula ##STR1## where X is preferably halogen such as fluorine, Y is preferably halogen such as chlorine, R.sup.1 is preferably methyl, R.sup.2 is preferably CHF.sub.2, R.sup.3 is preferably CH(CH.sub.3), and ##STR2## is --NH.sub.2 or the residue of a primary or secondary amine or of a sulfonamide.

Description

The invention described in this application pertains to weed control in agriculture, horticulture, and other fields where there is a desire to control unwanted plant growth. More specifically, the present application describes certain herbicidal aryl triazolinones, compositions of them, methods of preparing them, and methods for preventing or destroying undesired plant growth by preemergence or postemergence application of the herbicidal compositions to the locus where control is desired. The present compounds may be used to effectively control a variety of both grassy and broadleaf plant species. The present invention is particularly useful in agriculture; a number of the compounds described herein show a selectivity favorable to corn and cereal crops such as wheat, upland rice and paddy rice at application levels which inhibit the growth of or destroy a variety of weeds.

One aspect of this invention relates to herbicidal compounds of the general formula ##STR3## in which R.sup.3 is an alkylene radical (e.g. --CH.sub.2 -- or --CH(CH.sub.3)--) or a haloalkylene radical (e.g. --CHF--), and ##STR4## is --NH.sub.2 or the residue or a primary or secondary amine or of a sulfonamide. For instance, R.sup.6 and R.sup.7 may be, each, independently, H, alkyl, alkenyl, alkynyl, cycloalkyl, aryl heterocyclic such as pyrimidyl (e.g. 2-pyrimidyl), triazinyl or pyridinyl, alkoxy, alkylsulfonyl, haloalkylsulfonyl, cycloalkylsulfonyl, arylsulfonyl (including heteroarylsulfonyl such as isoxazolylsulfonyl, thienylsulfonyl), aralkylsulfonyl, aminosulfonyl, dialkylaminosulfonyl, alkylthioalkylsulfonyl (e.g. CH.sub.3 SCH.sub.2 SO.sub.2 --), alkylsulfonylalkylsulfonyl (e.g. CH.sub.3 SO.sub.2 CH.sub.2 SO.sub.2 --), alkylaminosulfonyl, alkenylsulfonyl, phenylalkenylsulfonyl. R.sup.6 may be bicyclic or polycyclic such as benzofuranyl, dihydrobenzofuranyl benzofuransulfonyl, dihydrobenzofuransulfonyl, naphthalenesulfonyl, benzodioxolsulfonyl, anthraquinonesulfonyl or 1,4-naphthoquinonesulfonyl. Any of R.sup.6 and R.sup.7 may carry one or more substituents such as halogen, nitro, amino, fluorosulfonyl, alkyl, haloalkyl, aminoalkyl, dialkylaminoalkyl, haloalkoxy, alkoxy, alkenyloxy, haloalkenyloxy, alkynyloxy, cyanoalkoxy, epoxyalkoxy, dialkylaminoalkoxy, alkoxyalkoxy, alkoxyalkylthio, cyano, aminocarbonyloxy, alkylaminocarbonyloxy, dialkylaminocarbonyloxy, acylamino, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or hydroxycarbonyl (but when one of R.sup.6, R.sup.7 is connected to the nitrogen of formula I by an oxygen or sulfur atom, then the other of R.sup.6, R.sup.7 is H or a group connected to that nitrogen by a carbon-nitrogen linkage or a salt-forming group, such as indicated below); for instance, when R.sup.6 is arylsulfonyl, the aryl radical of R.sup.6 may be an unsubstituted phenyl or naphthyl or may be a phenyl or naphthyl carrying one or more of the foregoing substituents, with any alkyl portion of a substituent having, for instance, 1 to 4 carbon atoms. R.sup.6 and R.sup.7 may together comprise a divalent group, such as an alkylene or haloalkylene or alkyloxyalkylene group or thioether, or its corresponding sulfine or sulfone, (e.g. such that NR.sup.6 R.sup.7 together comprise a pyrrolidino, piperidino, morpholino, or thiazolidino ring), any of which may also carry a carboxylic ester or amide substituent. The salt-forming group (e.g. when R.sup.6 is alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl) may be a metal (e.g. Na, K or Ca) or ammonium (e.g. NH.sub.4 or lower alkyl-substituted ammonium). R.sup.6 and R.sup.7 may comprise a divalent group such that NR.sup.6 R.sup.7 together constitute, for instance, a saccharin ring structure, e.g. ##STR5## which is an active herbicide (such as compound C62 below) and which upon hydrolysis, can lead to other active herbicides such as compounds C58 and C59.

Compound C62 for example is obtainable by reaction of saccharin ##STR6## with the appropriate acid chloride.

In this (Formula I) aspect of the invention, X, may be bromine, chlorine, fluorine or haloalkyl (e.g. CF.sub.3);

R.sup.1 may be halogen (e.g. chlorine), alkyl (e.g. of 1 to 5 carbon atoms), haloalkyl (e.g. of 1 to 5 carbon atoms such as difluoromethyl), alkoxyalkyl (e.g. of 2 to 6 carbon atoms such as methoxymethyl), cyanoalkyl (e.g. of 2 to 6 carbon atoms such as cyanomethyl), arylalkyl such as benzyl, alkylthio (e.g. of 1 to 3 carbon atoms such as methylthio) or the corresponding alkylsulfinyl or alkylsulfonyl, or alkylthioalkyl (e.g., of 1 to 3 carbon atoms independently with respect to each alkyl, such as methylthiomethyl) or the corresponding alkylsulfinylalkyl or alkylsulfonylalkyl;

Y may be bromine, chlorine, fluorine, methyl, haloalkyl (e.g. FCH.sub.2), a radical of the formula R.sup.8 OCH.sub.2 --, R.sup.8 SCH.sub.2 --, R.sup.8 SOCH.sub.2 -- or R.sup.8 SO.sub.2 CH.sub.2 -- where R.sup.8 is C.sub.1 -C.sub.3 alkyl, C.sub.2 -C.sub.5 alkenyl, or C.sub.3 -C.sub.5 alkynyl (e.g., CH.sub.3 OCH.sub.2 --, CH.sub.3 SCH.sub.2 --, CH.sub.2 .dbd.CHCH.sub.2 OCH.sub.2 --, CH.sub.2 .dbd.CHCH.sub.2 SCH.sub.2 --, CH.tbd.CCH.sub.2 OCH.sub.2 --, or CH.tbd.C--CH.sub.2 SCH.sub.2 --); R.sub.8 may also be phenyl (or phenyl substituted with e.g., halogen, alkyl, haloalkyl);

R.sup.2 may be alkyl (e.g. of 1 to 5 carbon atoms), haloalkyl (e.g. of 1 to 5 carbon atoms such as CHF.sub.2 or CH.sub.2 F), alkenyl of 2 to 5 carbon atoms (e.g. allyl), alkynyl of 3 to 5 carbon atoms (e.g. propargyl), cyanoalkyl (e.g. CH.sub.2 CN or CH.sub.2 CH.sub.2 CN), thiocyanoalkyl (e.g. CH.sub.2 SCN) or a group of the formula --alkylene--Y.sup.1 --R.sup.5 in which said alkylene group (e.g. --CH.sub.2 --) has 1 to 5 carbon atoms, Y.sup.1 being oxygen or S(O).sub.r in which r is 0 to 2, and R.sup.5 being alkyl (e.g. of 1 to 5 carbon atoms such as methyl), alkenyl of 2 to 5 carbon atoms (e.g. allyl) or alkynyl of 3 to 5 carbon atoms (such as propargyl).

In each aspect of the invention, it is often preferable that any alkyl, alkenyl, alkynyl or alkylene radical have less than 6 carbon atoms.

Representative compounds according to the invention are shown in Table 1 below.

The compounds of this invention are preferably those whose Methoxy Analog or Propargyloxy Analog is a herbicide. The term "Methoxy Analog" is used here to designate a compound which is otherwise identical except that it has a methoxy group instead of the ##STR7## group of said compound. The term "Propargyloxy Analog" is similarly used here for a compound which is otherwise identical except that it has a propargyloxy group instead of the ##STR8## group of said compound.

The compounds of this invention preferably have Methoxy Analogs and Propargyloxy Analogs of marked herbicidal properties. For instance said Analogs of the preferred compounds show at least 50% kill of at least one of the following species of plants when applied under at least one of the following modes at the rate of 0.5 kg/ha, and more preferably show such kill of at least 50% when applied at the rate of 0.1 kg/ha: Species velvetleaf (Abutilon theophrasti), green foxtail (Setaria viridis); Modes: pre-emergent, post-emergent. Testing for such herbicidal activity may be carried out in the manner described below (under the heading "Herbicidal Activity").

The compounds of this invention may be prepared by methods generally described in the literature or by methods analogous or similar thereto and within the skill of the art. One type of method starts with an intermediate in which the substituent para to "X" is hydroxyl. For instance, one may use the intermediate described in "Synthetic Process Example 6" of UK patent application GB No. 2 090 250 published 7 July 1982, in which X and Y are Cl, R.sup.1 is CH.sub.3 and R.sup.2 is CHF.sub.2 (the corresponding compound in which R.sup.2 is CH.sub.2 F is made by substituting chlorofluoromethane for the chlorodifluoromethane used in "Synthetic Process Example 1" of that published patent application). The OH group of the intermediate may then be converted to the desired substituent, as by a conventional etherification reaction, e.g., by reacting it with the appropriate bromide in the presence of a known acceptor of HBr such as NaH or a mixture of K.sub.2 CO.sub.3 and NaI.

As illustrated in Example 2 below, the synthesis may employ a substituted phenylhydrazine, whose hydrazine portion is then modified to form a triazolinone ring. Such modification (which in Example 2 is effected by reaction with pyruvic acid and then with a phosphoryl azide) may also be effected by other techniques, such as by treating the substituted phenylhydrazine with any of the following four types of reagents:

(a) an inner salt of a 3-(1-iminoalkylmercapto)-1-propanesulfonic acid (which may be prepared according to Reid and Schmidt, Ann. Chem. 676, 114 (1964) from 1,3-propanesultone and a thioamide), to form an amidrazone followed by reaction with a source of phosgene, as by the following reaction sequence (which is also illustrated in Example 7 below), ##STR9## in which "Ar" is aromatic as described below.

(b) An imidate ester of the formula ##STR10## to form the corresponding amidrazone (as described, for instance, in the article by Neilson et al "The Chemistry of Amidrazones: Chem. Rev. 70, 151(1970) at page 156), followed by reaction with a source of phosgene, as in (a) above, R.sup.c and R.sup.d being alkyl or other suitable radical.

(c) A compound of the formula ##STR11## (where R.sup.a and R.sup.b are lower alkyl) in the presence of a base according to the following sequence: ##STR12## in which R.sup.1 is as defined above, e.g. methyl;

(d) A haloalkylnitrile (e.g. a fluoroalkyl, fluorochloroalkyl or fluorobromoalkyl nitrile such as ClCF.sub.2 CN, followed by reaction with a source of phosgene, so that the reaction may proceed along the following lines, for instance (and as also illustrated in Example 8 below), to form the aryl 3-haloalkyl triazoline, thus: ##STR13##

In Example 2 below the "Ar" portion of the aryl hydrazine (whose hydrazine portion is then modified to form the triazoline ring) has halo substituents at its 2 and 4 positions and an alkoxy group at its 5 position. Instead, in each of the processes illustrated above (and in the process of Example 2), the Ar group may be a phenyl radical or a fluorophenyl (e.g. 2-fluorophenyl) or a nitrophenyl (e.g. 3-nitrophenyl) alkoxyphenyl (e.g. 3-methoxyphenyl) or, most preferably, halonitrophenyl, particularly a fluoronitrophenyl (such as 2-fluoro-5nitrophenyl) or haloalkoxyphenyl (such as 2-fluoro-5alkoxyphenyl) and the aryl triazoline may then be treated to (a) alkylate the nitrogen at the 4-position of the triazoline ring (in known manner, e.g. with an alkyl or fluoroalkyl halide, such as with ClCHF.sub.2 to add the preferred --CHF.sub.2 substituent) and (b) to introduce additional substituents onto the aromatic ring, as by halogenation with chlorine or bromine (e.g. by reacting with Cl.sub.2, Br.sub.2 or SO.sub.2 Cl.sub.2). For instance the alkylation of the nitrogen at the 4-position may be effected first, after which the nitro group (if present) may be reduced to an amino group in conventional manner, the amino group may be converted to a hydroxyl group (as by conventional diazotization) and then, preferably after etherifying the OH to form an alkoxy (e.g. methoxy) group, the compound may be halogenated as above to place the halogen substituent or substituents on its benzene ring. The resulting compound may then be modified at the 5-position of the benzene ring to form the herbicidal compounds of this invention. For instance, for making the preferred compounds of the invention in which the benzene ring has a 2-fluoro substituent, the starting material may be 2-fluoro-5-nitrophenylhydrazine, which may be treated as described above to produce successively a series of novel compounds such as 1-(2-fluoro-5-nitrophenyl)-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one, then 1-(2-fluoro-5-nitrophenyl-4,5-dihydro-4-difluoromethyl-3-methyl-1,2,4-triazol-5(1H)-one. These may be converted to the corresponding novel compounds having, at the 5-position of the benzene ring, successively --NH.sub.2, --OH and (preferably) --OCH.sub.3, followed by halogenation to place, for instance, a chloro or bromo substituent at the 4-position of the benzene ring. Instead of alkylating at the 4-position of the ring triazoline at an early stage, e.g. prior to altering the nitro group, this alkylation step may be delayed until after the abovedescribed halogenation of the benzene ring or even until after the conversion of the alkoxy (or other) group at the 5-position of the benzene ring to one of the groups described at that position in Formula I.

Similarly, when the reagent(s) used to react with the aryl hydrazine are such as to produce a triazolinone having a haloalkyl (e.g. CHF.sub.2) group instead of an alkyl group on the carbon at the 3-position of the heterocyclic ring, the series of new compounds will include, successively, (from 2-fluoro-5-nitrophenyl hydrazine) such compounds as 1-(2-fluoro-5-nitrophenyl)-4,5-dihydro-3-difluoromethyl-1,2,4-triazol-5-(1H)-one, then 1-(2-fluoro-5-nitrophenyl)-4,5-dihydro-4-methyl (or difluoromethyl)-3-difluoromethyl-1,2,4-triazol-5(1H)-one. These may be converted to the corresponding novel compounds having, at the 5-position of the benzene ring, successively --NH.sub.2, --OH and (preferably) --OCH.sub.3 followed by halogenation to place, for instance, a chloro or bromo substituent at the 4-position of the benzene ring. When the aryl hydrazine is 3-nitrophenyl hydrazine (instead of 2-fluoro-5-nitrophenylhydrazine) the series of novel compounds will include, successively, such compounds as 1-(3-nitrophenyl)-4,5-dihydro-3-difluoromethyl-1,2,4-triazol-5(1H)-one, then 1-(3-nitrophenyl)-4,5-dihydro-4-methyl (or difluoromethyl)-3-difluoromethyl-1,2,4-triazol-5(1H)-one. These may be converted to the corresponding novel compounds having, at the 3-position of the benzene ring, successively --NH.sub.2, --OH and (preferably) --OCH.sub.3, followed by halogenation to place, for instance, chloro or bromo substituents on the benzene ring.

Example 4 below illustrates a process for making a compound of this invention having a sulfonamide group at the 5-position of the benzene ring by reacting (a) a compound having an oxypropionic acid substituent at that 5-position with (b) an aryl sulfonylisocyanate.

Another method for introducing the sulfonamide group is by reacting (a) a compound having a phenolic OH group at that 5-position with (b) an N-aryl (or alkyl etc.) sulfonylalkanoic acid amide having a reactive leaving substituent (e.g. Br, Cl, mesylate or tosylate) on the alkane portion of the molecule, e.g. ##STR14## Such a reaction can be carried out in the presence of a base (e.g. in acetone in the presence of sodium or potassium carbonate). This method is illustrated in Example 6 below.

The following Examples illustrate the preparation of the compounds of this invention.

EXAMPLE 1

Ethyl[2,4-dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]acetate

To a stirred mixture of 15.0 g (0.048 mole) of 1-(2,4-dichloro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one and 3.4 g (0.024 mole) of potassium carbonate in 100 mL of acetone was added 8.1 g (0.048 mole) of ethyl bromoacetate. The resultant mixture was stirred at reflux for three hours. After cooling, the mixture was evaporated under reduced pressure leaving a residue. This residue was partitioned between diethyl ether and water. The organic phase was washed with an aqueous 10% sodium hydroxide solution, then was dried over anhydrous magnesium sulfate and filtered. Evaporation of the filtrate under reduced pressure produced 17.8 g of a solid. A small portion of this solid was recrystallized from methanol and water to yield ethyl[2,4-dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]acetate (mp 118.degree.-119.degree. C.), compound 17.

The nmr spectrum was consistent with the proposed structure.

The following compounds were also prepared by the process of Example 1 from 1-(2,4-dichloro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one; 1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one; 2-[2,4-dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid, compound A1; or 2-[4-chloro-2-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid, compound A2, and one of the following:

______________________________________Compound Reagent______________________________________14 methyl bromoacetate17 ethyl bromoacetate19 tert-butyl 2-bromopropionate21 tert-butyl bromoacetate22 tert butyl bromoacetateB6 1-methyl-2-propynyl 2-bromopropionateB7 1,1-dimethyl-2-propynyl 2-chloropropionate B11 bromoacetonitrile B16 .alpha.-bromo-.gamma.-butyrolactone B22 chloromethyl methylether B23 chloromethyl methylsulfideC1 iodoacetamideC7 iodoacetamideC9 N--(1-methylpropyl) 2-bromopropionamide______________________________________

EXAMPLE 2

2-[2-Chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid

Step A: 4-Chloro-2-fluoro-5-methoxyaniline from 2-chloro-4-fluorophenol

The intermediate 4-chloro-2-fluoro-5-methoxyaniline was prepared in a five step synthesis from commercially available 2-chloro-4-fluorophenol as detailed by E. Nagano, et al. in European Patent Application No. 69,855.

Step B: 4-Chloro-2-fluoro-5-methoxyphenylhydrazine

A stirred solution of 48.0 g (0.27 mole) of 4-chloro-2-fluoro-5-methoxyaniline in 500 mL of concentrated hydrochloric acid was cooled to -5.degree. C. and 23.5 g (0.34 mole) of sodium nitrite in 100 mL of water was added dropwise. After complete addition the reaction mixture was stirred at 0.degree. C. for one hour. A second solution of 154.0 g (0.68 mole) of stannous chloride in 225 mL of concentrated hydrochloric acid was cooled to 0.degree. C., and the cold diazonium solution prepared above was added to it slowly. After complete addition the reaction mixture was allowed to warm to ambient temperature. The reaction mixture was filtered to collect a solid. This solid was dissolved in an aqueous 50% sodium hydroxide solution and the solution extracted with toluene. The toluene extract was dried with magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to yield 22.4 g of 4-chloro-2-fluoro-5-methoxyphenylhydrazine as a solid.

The nmr spectrum was consistent with the proposed structure.

Step C: Pyruvic acid, 4-chloro-2-fluoro-5-methoxyphenylhydrazone

A stirred solution of 21.0 g (0.11 mole) of 4-chloro-2-fluoro-5-methoxyphenylhydrazine and 100 mL of aqueous 10% hydrochloric acid in 100 mL of ethanol was warmed to 40.degree. C., and a solution of 10.0 g (0.114 mole) of pyruvic acid in 20 mL of water was added. Upon complete addition the reaction mixture was stirred for one hour. An additional 50 mL of water was added and the reaction mixture filtered to collect a solid. The solid was air dried to yield 29.0 g of pyruvic acid, 4-chloro-2-fluoro-5-methoxyphenylhydrazone; mp 166.degree.-169.degree. C.

The nmr spectrum was consistent with the proposed structure.

Step D: 1-(4-Chloro-2-fluoro-5-methoxyphenyl)-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one

A stirred solution of 27.0 g (0.104 mole) of pyruvic acid, 4-chloro-2-fluoro-5-methoxyphenylhydrazone, 29.0 g (0.105 mole) of diphenyl phosphoryl azide, and 11.0 g (0.108 mole) of triethylamine in 500 mL of toluene was heated under reflux for four hours. The reaction mixture was cooled to ambient temperature and extracted with an aqueous 10% sodium hydroxide solution. The extract was neutralized with gaseous carbon dioxide, and a solid was collected by filtration. The solid was air dried to yield 11.0 g of 1-(4-chloro-2-fluoro-5-methoxyphenyl)-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one; mp 193.degree.-195.degree. C.

The nmr spectrum was consistent with the proposed structure.

Step E: 1-(4-Chloro-2-fluoro-5-methoxyphenyl)-4,5-dihydro-4-difluoromethyl-3-methyl-1,2,4-triazol-5(1H)-one

A stirred mixture of 10.0 g (0.039 mole) of 1-(4-chloro-2-fluoro-5-methoxyphenyl)-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one, 10.0 g (0.031 mole) of tetrabutylammonium bromide and 10.0 grams (0.25 mole) of sodium hydroxide in 250 mL of cyclohexane was warmed to 60.degree. C. Chlorodifluoromethane (10.0 g, 0.12 mole) was bubbled into the reaction mixture. After complete addition the reaction mixture was warmed to reflux where it stirred for one hour. The hot solution was decanted from a pot residue and cooled to ambient temperature. Methylene chloride was added to the cooled mixture to dissolve a solid precipitate. The mixture was washed with 10% hydrochloric acid then with an aqueous 10% sodium hydroxide solution. The organic layer was dried with anhydrous magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to yield 5.0 g of 1-(4-chloro-2-fluoro-5-methoxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one; mp 86.degree.-88.degree. C.

The nmr spectrum was consistent with the proposed structure.

Step F: 1-(4-Chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one

A stirred mixture of 4.6 g (0.015 mole) of 1-(4-chloro-2-fluoro-5-methoxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one in 200 mL of methylene chloride was cooled to 10.degree. C. and a solution of 11.2 g (0.045) mole of boron tribromide in 45 mL of methylene chloride was added. Upon complete addition the reaction mixture was stirred for four hours as it warmed to ambient temperature. After this time 100 mL of water was added, and stirring was continued for an additional 18 hours. The organic layer was separated, dried with anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under reduced pressure to yield 4.4 g of 1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one; mp 147.degree.-152.degree. C.

The nmr spectrum was consistent with the proposed structure.

Step G: Methyl 2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionate

To a stirred mixture of 1.5 g (0.0051 mole) of 1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one and 0.12 g (0.0051 mole) of sodium hydride in 50 mL of N,N-dimethylformamide was added 0.85 g (0.0051 mole) of methyl 2-bromopropionate. After complete addition the reaction mixture was heated at reflux for two hours, then cooled to room temperature and stirred for approximately 18 hours. The solvent was removed by evaporation under reduced pressure leaving a residue. This residue was partitioned between diethyl ether and water. The organic phase was washed with an aqueous 10% sodium hydroxide solution. The organic phase was dried over anhydrous magnesium sulfate and filtered. The filtrate was evaporated under reduced pressure to yield 1.5 g of methyl 2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionate as an oil, Compound 3.

The nmr spectrum was consistent with the proposed structure.

The following compounds were also prepared by the process of Example 2, Step G, from 1-(2,4-dichloro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one; 1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one; or compound A2 and one of the following reagents:

______________________________________Compound Reagent______________________________________1 methyl bromoacetate2 methyl 2-bromopropionate5 ethyl 2-bromopropionate6 ethyl 2-bromopropionate18 ethyl 4-bromopropionate20 ethyl 2-bromoisobutyrateB21 N,N--diethyl-2-chloroacetamideC8 N,N--diethyl-2-chloroacetamide______________________________________

Step H: 2-[2-Chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid

A stirred mixture of 1.3 g (0.0034 mole) of methyl-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionate and 1.0 g (0.018 mole) of potassium hydroxide in 15 mL of ethanol and 15 mL of water was heated at reflux for three hours. The mixture was allowed to cool to room temperature and stand for two days. The solvent was evaporated from the mixture leaving a solid. This solid was dissolved in water, and the solution was made acidic with concentrated hydrochloric acid. This solution was extracted with methylene chloride. The extract was dried over anhydrous magnesium sulfate and filtered. Evaporation of the solvent from the filtrate left 0.85 g of 2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid as a solid (mp 50.degree.-55.degree. C.), Compound A2.

Compound A1 was also prepared by the method of Example 2, Step H, from Compound 2.

Analysis Calc'd for C.sub.16 H.sub.15 N.sub.3 Cl.sub.2 F.sub.2 O.sub.4 : C 45.52; H 3.58; N 9.95; Found: C 45.24; H 3.76; N 9.87.

EXAMPLE 3

N-methylsulfonyl-2-[2,4-Dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide

Step A: 2-[2,4-Dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]-propionyl chloride

A stirred mixture of 2.9 g (0.0075 mole) of 2-[2,4-dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H, 1,2,4-triazol-1-yl)phenoxy]propionic acid (Compound A-1) in 5 mL of thionyl chloride was heated at reflux for 1.5 hours. The mixture was cooled, and the excess thionyl chloride was removed by evaporation under reduced pressure, leaving 3.1 g of product as an oil.

Step B: N-Methylsulfonyl-2-[2,4-dichloro-5-(4-difluoro-methyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide

A mixture of 0.56 g of the oil from Step A and 0.56 g (0.0059 mole) of methanesulfonamide was heated at 80.degree. C. for 3.5 hours. The mixture was cooled and diluted with water, forming a gummy precipitae. The water was decanted, and the residue was partitioned between water and methylene chloride. The organic phase was washed with three 100 ml portions of water, dried over anhydrous magnesium sulfate, and filtered. The filtrate was evaporated under reduced pressure to leave a tan solid which was dissolved in 30 mL of 1N sodium hydroxide and 50 mL of water. The basic mixture was filtered, and the filtrate was made acidic with concentrated hydrochloric acid. A precipitate formed and was collected by filtration. The filter cake was washed with water and dried to yield 0.34 g of N-methylsulfonyl-2-[2,4-dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide (mp 185.degree.-188.degree. C.), Compound C3.

The nmr spectrum was consistent with the proposed structure.

Analysis Calc'd for C.sub.14 H.sub.14 Cl.sub.2 F.sub.2 N.sub.4 O.sub.5 S: C 36.61; H 3.07; N 12.20. Found: C 36.79; H 3.01; N 12.41.

Compounds C4, C5 and C6 were prepared by the process described in Example 3 using trifluoromethanesulfonamide, ammonia and methylamide respectively in Step B. Compounds C2 and C18 were prepared by the method of Example 3 from Compound A2, using methylamine and methanesulfonamide respectively in Step B.

EXAMPLE 4

N-(4-Methylphenylsulfonyl)-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide

A stirred mixture of 0.78 g (0.0021 mole) of 2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid, 0.42 g (0.0021 mole) of p-toluenesulfonyl isocyanate and 0.05 g (0.0004 mole) of 4-dimethylaminopyridine in 50 mL of toluene was heated at reflux for approximately 18 hours. The mixture was allowed to cool to room temperature and was stirred for 24 hours. The solvent was removed by evaporation at reduced pressure to leave a residue. This residue was purified by column chromatography on silica gel, eluting with toluene:ethyl acetate (1:1). The appropriate fractions were combined and evaporated under reduced pressure to yield 0.7 g of N-(4-methylphenylsulfonyl)-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide as a solid, Compound C10.

The nmr spectrum was consistent with the proposed structure.

Compound C25 was prepared by the method of Example 4 using 2-chlorobenzenesulfonyl isocyanate.

EXAMPLE 5

2-[2-Chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid, sodium salt.

A mixture of 1.0 g (0.0027 mole) of 2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid and 0.07 g (0.0027 mole) of sodium hydride in 30 mL of tetrahydrofuran was stirred at room temperature for approximately 18 hours. The solvent was removed by evaporation to yield 0.9 g of 2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionic acid, sodium salt as a solid, Compound A4.

Compounds C19 and C20 were prepared by the method of Example 5 from compounds C18 and C10 respectively. Compound A6 was prepared by a method analogous to that of Example 5 from Compound A2, substituting isopropylamine for sodium hydride.

The following compounds were prepared by the process of S. Chandrasekaran et al., Synthetic Communications, 12(9), 727-731 (1982) from Compound A2 and the following reagents.

______________________________________Compound Reagent______________________________________B8 tetrahydrofurfuryl alcoholB9 methyl hydroxyacetateB10 2-methyl-3,3,4,4-tetrafluoro-2-butanolB12 furfuryl alcoholB13 N,N--dimethylethanolamineB14 3-hydroxytetrahydrofuranB15 phenolB17 ethanethiolB18 ethyl 2-mercaptoacetateB30 trifluoroethanolB31 acetone cyanohydrinB32 benzyl alcoholB33 2-propanethiolC11 O,N--dimethylhydroxylamine hydrochlorideC12 (2-propynyl)amineC13 anilineC14 dimethylamineC15 diethylamineC16 ethylamine hydrochlorideC17 glycine methyl ester hydrochlorideC22 2-amino-2-methylpropionitrileC23 N--methylaniline______________________________________

Characterizing properties of some of the compounds of the invention are given in Table 2 below.

EXAMPLE 6

N-(2,5-dimethoxyphenylsulfonyl)-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide

Step A: 2,5-Dimethoxyphenylsulfonamide

To a stirred solution of 15.0 g (0.063 mole) of 2,5-dimethoxybenzenesulfonyl chloride in 150 mL of tetrahydrofuran was added dropwise 80 mL of ammonia (28% aqueous solution). After complete addition the mixture was allowed to stir for 1.75 hours at room temperature. Upon standing the mixture separated into two phases. The organic phase was removed from the aqueous phase and was evaporated under reduced pressure to leave a solid residue. This residue was recrystallized from hot water (125 mL) and ethanol (40 mL) to yield 13.1 g of 2,5-dimethoxyphenylsulfonamide (mp 146.5-148.5).

The nmr spectrum was consistent with the proposed structure.

Step B: N-(2,5-Dimethoxyphenylsulfonyl)-2-bromopropionamide

A stirred mixture of 7.0 g (0.032 mole) of 2,5-dimethoxyphenylsulfonamide in 10 mL of 2-bromopropionyl chloride was heated at reflux for 40 minutes then allowed to cool to room temperature. The resultant solution was poured into petroleum ether. Crystals formed after scratching the sides of the flask and were collected by filtration. The filter cake was washed four times with fresh petroleum ether to yield 10.3 g of N-(2,5-dimethoxyphenylsulfonyl)-2-bromopropionamide (mp 116.degree.-118.degree. C.).

The nmr spectrum was consistent with the proposed structure.

Step C: N-(2.5-Dimethoxyphenylsulfonyl)-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide

To a stirred solution of 0.75 g (0.0026 mole) of 1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one and 0.89 g (0.0026 mole) of N-(2,5-dimethoxyphenylsulfonyl)-2-bromopropionamide in 50 mL of acetone was added 1.04 g (0.0026 mole) of potassium carbonate. After complete addition the mixture was heated at 45.degree. C. for two days. The resultant mixture was cooled and the solvent was removed by evaporation under reduced pressure to leave a residue. This residue was dissolved in 100 mL of water. The aqueous solution was acidified by the dropwise addition of concentrated hydrochloric acid producing a precipitate. The precipitate was collected by filtration. The filter cake was washed with water and then dried under reduced pressure to leave 1.23 of N-(2,5-dimethoxyphenylsulfonyl)-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide (mp 168.degree.-172.degree. C.) Compound C90.

The nmr spectrum was consistent with the proposed structure.

EXAMPLE 7

1-(4-Chloro-2-fluoro-5-methoxyphenyl)-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one as an intermediate

Step A: N'-(4-Chloro-2-fluoro-5-methoxyphenyl)acetamidrazone

A stirred mixture of 1.91 g (0.01 mole) of 4-chloro-2-fluoro-5-methoxyphenylhydrazine and 1.97 g (0.01 mole) of 3-(1-iminoethylmercapto)-1-propanesulfonic acid, inner salt, (prepared by the method of Reid et al, Ann. Chem. 676, 114 (1964)) in 50 mL of anhydrous ethanol was heated at reflux for 1.25 hours. The mixture was cooled and evaporated under reduced pressure to leave 3.96 g of a residue. A portion of this residue, 3.33 g, was dissolved in 50 mL of water. The resultant cloudy solution was filtered through a pad of celite and the filtrate was extracted with methylene chloride. The clarified aqueous solution was basified with approximately 8 mL of an aqueous 10% sodium hydroxide solution. An oil precipitated from the basic mixture and slowly solidified. This solid was collected by filtration. The filter cake was washed with water to yield 1.31 g of N'-(4-chloro-2-fluoro-5-methoxyphenyl)acetamidrazone (mp 106.degree.-107.degree. C.).

The nmr analysis was consistent with the proposed structure.

Analysis calc'd for C.sub.9 H.sub.11 ClFN.sub.3 O: C 46.66, H 4.79, N 18.14. Found: C 46.10, H 4.81, N 17.70.

Step B: 1-(4-Chloro-2-fluoro-5-methoxyphenyl)-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one

A solution of 1.71 g (0.0086 mole) of trichloromethyl chloroformate in 5 mL of toluene was added dropwise to a stirred solution of 1.0 g (0.0043 mole) of N'-(4-chloro-2-fluoro-5-methoxyphenyl)acetamidrazone in 50 mL of toluene. After complete addition the mixture was stirred at room temperature for five minutes then was heated slowly until a slow reflux was obtained. Reflux was maintained for approximately 15 minutes. The mixture was cooled and evaporated under reduced pressure to leave 1.22 g of a solid. Approximately 1.0 g of this solid was dissolved in 100 mL of methylene chloride. The resultant solution was filtered and the filtrate was extracted with three 25 mL portions of an aqueous 10% sodium hydroxide solution followed by three 25 mL portions of 1N sodium hydroxide. Each set of three similar extracts were combined and washed with methylene chloride. Both of the washed extracts were acidified with concentrated hydrochloric acid producing a precipitate from each. The solids were collected by filtration to provide 0.3 g and 0.12 g, from the 10% and 1N base solutions respectively, of 1-(4-chloro-2-fluoro-5-methoxyphenyl)-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one (mp 209.degree.-211.degree. C.).

The nmr spectrum was consistent with the proposed structure.

EXAMPLE 8

1-(2,4-Dichloro-5-hydroxyphenyl)-3-chlorodifluoromethyl-4,5-dihydro-4-methyl-1,2,4-triazol-5(1H)-one as an intermediate

Step A: N'-[2,4-Dichloro-5-(1-methylethoxy)phenyl]chlorodifluoroacetamidrazone

A stirred solution of 9.4 g (0.04 mole) of 2,4-dichloro-5-(1-methylethoxy)phenylhydrazine in 350 mL of absolute methanol was cooled to 0.degree.. Gaseous chlorodifluoroacetonitrile (8.0 g, 0.07 mole) was added to the mixture. After complete addition the mixture was allowed to warm to room temperature and stir for 3.5 hours. The stirring was stopped and the mixture stood at room temperature for two days. The solvent was evaporated from the mixture under reduced pressure to leave 13.86 g of N'-[2,4-dichloro-5-(1-methylethoxy)phenyl]chlorodifluoroacetamidrazone as an oily residue.

Step B: 1-[2,4-Dichloro-5-(1-methylethoxy)phenyl]-3-chlorodifluoromethyl-4,5-dihydro-1,2,4-triazol-5(1H)-one

In a manner similar to Example 8, Step B, the reaction of 13.86 g of the oily residue from Step A plus 2.7 g of similar material prepared in a separate experiment and 19.87 g (0.1 mole) of trichloromethyl chloroformate in 600 mL of toluene produced 5.4 g of 1-[2,4-dichloro-5-(1-methylethoxy)phenyl]-3-chlorodifluoromethyl-4,5-dihydro-1,2,4-triazol-5(1H)-one (mp 115.degree.-119.degree. C.).

The nmr spectrum was consistent with the proposed structure.

Step C: 1-[2,4-Dichloro-5-(1-methylethoxy)phenyl]-3-chlorodifluoromethyl-4,5-dihydro-4-methyl-1,2,4-triazol-5(1H)-one

Reaction of 4.0 g (0.011 mole) of 1-[2,4-dichloro-5-(1-methylethoxy)phenyl]-3-chlorodifluoromethyl-4,5-dihydro-1,2,4-triazol-5(1H)-one, 4.26 g (0.03 mole) of methyl iodide, and 2.07 g (0.015 mole) of potassium carbonate in 40 mL of acetone provided 3.74 g of 1-[2,4-dichloro-5-(1-methylethoxy)phenyl]-3-chlorodifluoromethyl-4,5-dihydro-4-methyl-1,2,4-triazol-5(1H)-one as a solid. Recrystallization of a small portion of this solid from ethanol and water provided a pale yellow solid, mp 69.degree.-72.degree. C.

The nmr spectrum was consistent with the proposed structure.

Analysis calc'd for C.sub.13 H.sub.12 Cl.sub.3 F.sub.2 N.sub.3 O.sub.2 : C 40.39, H 3.13, N 10.87. Found: C 40.92, H 3.28, N 10.96.

Step D: 1-(2,4-Dichloro-5-hydroxyphenyl)-3-chlorodifluoromethyl-4,5-dihydro-4-methyl-1,2,4-triazol-5(1H)-one

Hydrolysis of 2.6 g (0.0067 mole) of 1-[2,4-dichloro-5-(1-methylethoxy)phenyl]-3-chlorodifluoromethyl-4,5-dihydro-4-methyl-1,2,4-triazol-5(1H)-one in 10 mL of concentrated sulfuric acid produced 2.17 g of 1-(2,4-dichloro-5-hydroxyphenyl)-3-chlorodifluoromethyl-4,5-dihydro-4-methyl-1,2,4-triazol-5(1H)-one as a solid (mp 146.degree.-148.degree. C.).

The nmr spectrum was consistent with the proposed structure.

Analysis calc'd for C.sub.10 H.sub.6 Cl.sub.3 F.sub.2 N.sub.3 O.sub.2 : C 34.86, H 1.76, N 12.20. Found: C 35.30, H 1.59, N 12.25.

EXAMPLE 9

Synthesis of N-(2,3-dihydro-2,2-dimethylbenzofuran-7-yl)sulfonyl-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide

Step A: Synthesis of 7-chlorosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran

Stirred glacial acetic acid, 52 ml, was cooled in an ice-salt bath and gaseous sulfur dioxide was bubbled in during a one-hour period. After this time a mixture of 3.8 grams (0.027 mole) of copper (II) chloride in 26 ml of toluene, followed by 5.1 grams (0.054 mole) of magnesium chloride, were added.

In a separate reaction vessel, a stirred slurry of 11.2 grams (0.068 mole) of 7-amino-2,3-dihydro-2,2-dimethylbenzofuran and 15 ml of concentrated hydrochloric acid was cooled in an ice-salt bath and an aqueous solution (8 ml) saturated with sodium nitrite (6.1 grams; 0.077 mole) was added slowly.

The contents of both reaction vessels were quickly warmed to 30.degree. C. and, with stirring, the diazonium salt-hydrochloric acid mixture was carefully poured into the sulfur dioxide-acetic acid mixture. Upon completion of addition the reaction mixture was stirred for one hour. Water, 177 ml, was added and the reaction mixture stirred for an additional one hour. The reaction mixture was extracted with two 100 ml portions of toluene. The combined extracts were washed in succession with water, an aqueous solution of 10% sodium hydroxide, and finally with water. The organic layer was dried with magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to yield 11.0 grams of 7-chlorosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran; B.p. 130.degree.-150.degree. C./1.5 mm.

Step B: Synthesis of 7-aminosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran

A solution of 0.5 gram (0.002 mole) of 7-chlorosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran and 4 ml of tetrahydrofuran was stirred and 2 ml of an aqueous solution of 29% ammonium hydroxide was added. The reaction mixture stirred for one hour, then was concentrated under reduced pressure to a residue. The residue was triturated with water and filtered to collect, when dried, 0.41 grams of 7-aminosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran; m.p. 160.5.degree.-162.5.degree. C.

Step C: Synthesis of N-(2,3-dihydro-2,2-dimethylbenzofuran-7-yl)sulfonyl-2-bromopropionamide

A stirred slurry of 0.39 gram (0.0017 mole) of 7-aminosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran and 1 ml of 2-bromopropionyl chloride was heated at 96.degree. for 35 minutes, then at reflux for 30 minutes. The reaction mixture was cooled to ambient temperature and washed repeatedly with petroleum ether to remove excess acid chloride. The residue was 0.53 gram of N-(2,3-dihydro-2,2-dimethylbenzofuran-7-yl)sulfonyl-2-bromopropionamide; m.p. 224.degree.-226.degree. C.

The NMR spectrum was consistent with the proposed structure.

Step D: Synthesis of N-(2,3-dihydro-2,2-dimethylbenzofuran-7-yl)sulfonyl-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide.

A stirred mixture of 0.2 gram (0.0007 mole) of 1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one, 0.3 gram (0.0007 mole) of N-(2,3-dihydro-2,2-dimethylbenzofuran-7-yl)sulfonyl-2-bromopropionamide, 0.3 gram (0.002 mole) of potassium carbonate in 20 ml of acetone was heated under reflux for 18 hours. The reaction mixture was cooled and concentrated under reduced pressure to a residue. The residue was dissolved in 100 ml of water and the solution acidified by the dropwise addition of concentrated hydrochloric acid. The resultant precipitate was collected by filtration, washed with water, and dried to yield N-(2,3-dihydro-2,2-dimethylbenzofuran-7-yl)sulfonyl-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide; m.p. 198.degree.-201.degree. C.

The NMR spectrum was consistent with the proposed structure.

Analysis calculated for C.sub.23 H.sub.22 ClF.sub.3 N.sub.4 O.sub.6 S: C 48.05; H 3.86; N 9.74. Found: C 47.11; H 3.89; N 9.34.

EXAMPLE 10

N-(2,3-dihydro-2,2-dimethylbenzofuran-5-yl)sulfonyl-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide

Step A: 5-Chlorosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran

To a stirred solution of 22.2 g (0.15 mole) of 2,3-dihydro-2,2-dimethylbenzofuran in 190 mL of chloroform was added dropwise 20 mL (0.3 mole) of chlorosulfonic acid. After complete addition, the reaction mixture was stirred at room temperature for two hours. The reaction mixture was poured into a separatory funnel with ice water and shaken. The organic layer was separated from the aqueous phase and dried over anhydrous magnesium sulfate. The dried organic phase was filtered and the filtrate was evaporated under reduced pressure to leave 14.5 g of 5-chlorosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran as a solid (mp 75.degree.-77.degree. C.).

The nmr spectrum was consistent with the proposed structure.

Step B: 5-Aminosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran

In a manner similar to Step B of Example 9, the reaction of 9.0 g (0.036 mole) of 5-chlorosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran with 60 mL of an aqueous 29% ammonium hydroxide solution in 70 mL of tetrahydrofuran produced 8.0 g of 5-aminosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran as a solid (mp 157.degree.-160.degree. C.).

Analysis calc'd for C.sub.10 H.sub.13 NO.sub.3 S: C 52.85; H 5.76; N 6.16; Found: C 52.82; H 5.49; N 5.87.

Step C: N-(2,3-dihydro-2,2-dimethylbenzofuran-5-yl)sulfonyl-2-bromopropionamide

In a manner similar to Step C of Example 9, the reaction of 4.0 g (0.017 mole) of 5-aminosulfonyl-2,3-dihydro-2,2-dimethylbenzofuran with 7.0 mL (0.069 mole) of 2-bromopropionyl chloride produced 5.4 g of N-(2,3-dihydro-2,2-dimethylbenzofuran-5-yl)sulfonyl-2-bromopropionamide as a solid (mp 125.degree.-128.degree. C.).

Analysis calc'd for C.sub.13 H.sub.16 BrNO.sub.4 S: C 43.10; H 4.45; N 3.87; Found: C 43.27; H 4.18; N 3.57.

Step D: N-(2,3-Dihydro-2,2-dimethylbenzofuran-5-yl)sulfonyl-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)-phenoxy]propionamide

In a manner similar to Step D of Example 9, the reaction of 0.5 g (0.0017 mole) of 1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-one with 0.7 g (0.0051 mole) of potassium carbonate and 0.62 g (0.0017 mole) of N-(2,3-dihydro-2,2-dimethylbenzofuran-5-yl)sulfonyl-2-bromopropionamide in 35 mL of acetone produced 0.89 g of N-(2,3-dihydro-2,2-dimethylbenzofuran-5-yl)sulfonyl-2-[2-chloro-4-fluoro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenoxy]propionamide as a solid.

The nmr spectrum was consistent with the proposed structure.

Analysis calc'd for C.sub.23 H.sub.22 ClF.sub.3 N.sub.4 O.sub.6 S: C 48.05; H 3.86; N 9.74. Found: C 47.21; H 3.95; N 9.31.

HERBICIDAL ACTIVITY

The plant test species used in demonstrating the herbicidal activity of compounds of this invention include cotton (Gossypium hirsutum var. Stoneville), soybean (Glycine max var. Williams), field corn (Zea mays var. Agway 595S), wheat (Triticum aestivium var. Prodax), rice (Oryza sativa), field bindweed (Convolvulus arvensis), morningglory (Ipomea lacunosa or Ipomea hederacea, velvetleaf (Abutilon theophrasti), barnyardgrass (Echinochloa crus galli), green foxtail (Setaria viridis), and johnsongrass (Sorghum halepense), yellow nutsedge (Cyperus esculentus).

Seeds or tubers of the plant test species were planted in furrows in steam sterilized sandy loam soil contained in disposable fiber flats. A topping soil of equal portions of sand and sandy loam soil was placed uniformly on top of each flat to a depth of approximately 0.5 cm.

The flats for the preemergence test were watered, then drenched with the appropriate amount of a solution of the test compound in a mixture of acetone and water containing a small amount (up to 0.5% v/v) of sorbitan monolaurate emulsifier/solubilizer. The concentration of the test compound in solution was varied to give a range of application rates, generally 8.0 kg/ha and submultiples thereof. The flats were placed in a greenhouse and watered regularly at the soil surface for 21 days at which time phytotoxicity data were recorded.

The flats for the postemergence test were placed in a greenhouse and watered for 8-10 days, then the foilage of the emerged test plants was sprayed with a solution of the test compound in acetone-water containing up to 0.5% sorbitan monolaurate. After spraying, the foilage was kept dry for 24 hours, then watered regularly for 21 days, and phytotoxicity data recorded.

For testing the effectiveness with paddy rice, plastic flats (35.5 cm.times.6.4 cm.times.12.7 cm) were lined with plastic film and filled to a depth of about 3.0 cm with steam-sterilized sandy loam soil. The soil was leveled and seeds of rice (Oryza sativa var. Mars or Labelle) and flatsedge rice (Cyperus iria), a weed, were planted and topped with about 0.5 cm of sandy loam soil. The flat was placed in the greenhouse and watered for 7 to 8 days. Hemp Sesbania (Sesbania exaltata), barnyardgrass (Echinochloa Crus-galli), and green sprangletop (Leptochloa imbricata) were planted in the remaining space in the flat. The flats were again placed in the greenhouse and watered for another seven or eight days so that all the seeds sprouted. The flats were then drenched with water to a level of 2 to 3 cm above the soil. Directly after their drenching the candidate herbicides were applied as aqueous-acetone solutions at a range of rates equivalent to 0.5 kg/ha and submultiples thereof, i.e. 0.25 kg/ha, 0.125 kg/ha, and so on. The appropriate amount of test solution was pipetted into the water layer above the soil, distributing the solution evenly. After application of the test solution the drenched flats were placed in the greenhouse and watered regularly to keep the soil covered with water. After 14 days phytotoxicity data were recorded and expressed as percent control as compared to a flat which had not been treated with herbicide. The temperature of the greenhouse was about 30.degree. C.

Phytotoxicity data were taken either as percent kill or percent control. Percent control was determined by a method similar to the 0 to 100 rating system disclosed in "Research Methods in Weed Science," 2nd ed., B. Truelove, Ed.; Southern Weed Science Society; Auburn University, Auburn, Ala., 1977. The present rating system is as follows:

HERBICIDE RATING SYSTEM

______________________________________Rating DescriptionPercent of Main Crop WeedControl Categories Description Description______________________________________ 0 No effect No crop No Weed reduction control or injury10 Slight Slight dis- Very poor weed effect coloration control or stunting20 Some dis- Poor weed coloration, control stunting or stand loss30 Crop injury Poor to defi- more pronounced cient weed but not lasting control40 Moderate Moderate injury, Deficient weed effect crop usually control recovers50 Crop injury Deficient to more lasting, moderate weed recovery control60 Lasting crop Moderate weed injury no control recovery70 Severe Heavy injury and Control some- stand loss what less than satisfactory80 Crop nearly de- Satisfactory stroyed a few to good weed survivors control90 Only occasional Very good to live plants left excellent control100 Complete Complete crop Complete weed effect destruction destruction______________________________________

Herbicidal data at selected application rates are given for various compounds of the invention in the tables below. The test compounds are identified in the tables of herbicidal data below by numbers which correspond to those used above.

In the Tables of herbicidal data below:

"kg/ha" is kilograms per hectare, "% K" is percent kill, and "% C" is percent control.

For herbicidal application, the active compounds as above defined are formulated into herbicidal compositions by admixture in herbicidally effective amounts with adjuvants and carriers normally employed in the art for facilitating the dispersion of active ingredients for the particular utility desired, recognizing the fact that the formulation and mode of application of a toxicant may affect the activity of the material in a given application. Thus, for agricultural use the present herbicidal compounds may be formulated as granules of relatively large particle size, water-soluble or water-dispersible granules, as powdery dusts, as wettable powders, as emulsifiable concentrates, as solutions or as any of several other known types of formulations, depending on the desired mode of application.

For preemergence application these herbicidal compositions are usually applied either as sprays, dusts, or granules to the areas in which suppression of vegetation is desired. For postemergence control of established plant growth, sprays or dusts are most commonly used. These formulations may contain as little as 0.5% to as much as 95% or more by weight of active ingredient.

Dusts are free flowing admixtures of the active ingredient with finely divided solids such as talc, natural clays, kieselguhr, flours such as walnut shell and cottonseed flours, and other organic and inorganic solids which act as dispersants and carriers for the toxicant; these finely divided solids have an average particle size of less than about 50 microns. A typical dust formulation useful herein is one containing 1.0 part of the herbicidal compound and 99.0 parts of talc.

Wettable powders, also useful formulations for both pre- and postemergence herbicides, are in the form of finely divided particles which disperse readily in water or other dispersant. The wettable powder is ultimately applied to the soil either as a dry dust or as an emulsion in water or other liquid. Typical carriers for wettable powders include Fuller's earth, kaolin clays, silicas, and other highly absorbent, readily wet inorganic diluents. Wettable powders normally are prepared to contain about 5-80% of active ingredient, depending on the absorbency of the carrier, and usually also contain a small amount of a wetting, dispersing or emulsifying agent to facilitate dispersion. For example, a useful wettable powder formulation contains 80.8 parts of the herbicidal compound, 17.9 parts of Palmetto clay, and 1.0 part of sodium lignosulfonate and 0.3 part of sulfonated aliphatic polyester as wetting agents. Frequently, additional wetting agent and/or oil will be added to the tank-mix for postemergence application to facilitate dispersion on the foliage and absorption by the plant.

Other useful formulations for herbicidal applications are emulsifiable concentrates. Emulsifiable concentrates are homogeneous liquid or paste compositions dispersible in water or other dispersant, and may consist entirely of the herbicidal compound and a liquid or solid emulsifying agent, or may also contain a liquid carrier, such as xylene, heavy aromatic naphthas, isophorone, or other non-volatile organic solvent. For herbicidal application these concentrates are dispersed in water or other liquid carrier, and normally applied as a spray to the area to be treated. The percentage by weight of the essential active ingredient may vary according to the manner in which the composition is to be applied, but in general comprises 0.5 to 95% of active ingredient by weight of the herbicidal composition.

Typical wetting, dispersing or emulsifying agents used in agricultural formulations include, for example, the alkyl and alkylaryl sulfonates and sulfates and their sodium salts; polyhydric alcohols; and other types of surface active agents, many of which are available in commerce. The surface active agent, when used, normally comprises 1% to 15% by weight of the herbicidal composition.

Other useful formulations for herbicidal applications include simple solutions of the active ingredient in a dispersant in which it is completely soluble at the desired concentration, such as acetone, alkylated naphthalenes, xylene or other organic solvents. Granular formulations, wherein the toxicant is carried on relatively coarse particles, are of particular utility for aerial distribution or for penetration of cover crop canopy. Pressurized sprays, typically aerosols wherein the active ingredient is dispersed in finely divided form as a result of vaporization of a low boiling dispersant solvent carrier, such as the Freons, may also be used. Water-soluble or water-dispersible granules are also useful formulations for herbicidal application of the present compounds. Such granular formulations are free-flowing, non-dusty, and readily water-soluble or water-miscible. The soluble or dispersible granular formulations described in U.S. Pat. No. 3,920,442, incorporated herein by reference, are useful herein with the present herbicidal compounds.

The active herbicidal compounds of this invention may be formulated and/or applied with insecticides, fungicides, nematicides, plant growth regulators, fertilizers, or other agricultural chemicals and may be used as effective soil sterilants as well as selective herbicides in agriculture. In applying an active compound of this invention, whether formulated alone or with other agricultural chemicals, an effective amount and concentration of the active compound is of course employed; the amount may be as low as, for example, 7 g/ha or lower; for instance it may be in the range of about 4 to 250 g/ha such as 7 or 15 to 65 g/ha.

The active herbicidal compounds of this invention may be used in combination with other herbicides, e.g. they may be mixed with, say, an equal or larger amount of a known herbicide such as chloroacetanilide herbicides such as 2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide (alachlor), 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide (metolachlor), and N-chloroacetyl-N-(2,6-diethylphenyl)glycine (diethatyl-ethyl); benzothiadiazinone herbicides such as 3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4-(3-H)-one-2,2-dioxide (bentazon); triazine herbicides such as 6-chloro-N-ethyl-N-(1-methylethyl)-1,3,5-triazine-2,4-diamine (atrazine), and 2-[4-chloro-6-(ethylamino)-1,3,5-triazin-2-yl]-amino-2-methylpropanenitrile (cyanazine); dinitrolaniline herbicides such as 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzeneamine (trifluralin); and aryl urea herbicides such as N'-(3,4-dichlorophenyl)-N,N-dimethylurea (diuron) and N,N-dimethyl-N'-[3-(trifluoromethyl)phenyl]urea (fluometuron).

It is apparent that various modifications may be made in the formulation and application of the compounds of this invention, without departing from the inventive concepts herein, as defined in the following claims.

TABLE 1__________________________________________________________________________ ##STR15##Cmpd.No. X Y R.sup.1 R.sup.2 R.sup.3 R.sup.6 R.sup.7__________________________________________________________________________C1 Cl Cl CH.sub.3 CHF.sub.2 CH.sub.2 H HC2 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.3 HC3 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.3 HC4 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CF.sub.3 HC5 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) H HC6 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.3 HC7 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 H HC8 F Cl CH.sub.3 CHF.sub.2 CH.sub. 2 C.sub.2 H.sub.5 C.sub.2 H.sub.5C9 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH(CH.sub.3)C.sub.2 H.sub.5 HC10 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR16## HC11 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) OCH.sub.3 CH.sub.3C12 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.2 CCH HC13 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR17## HC14 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.3 CH.sub.3C15 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) C.sub.2 H.sub.5 C.sub.2 H.sub.5C16 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) C.sub.2 H.sub.5 HC17 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.2 CO.sub.2 CH.sub.3 HC18 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.3 HC19 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.3 NaC20 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR18## NaC21 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) C(CH.sub.3).sub.2 CCH HC22 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) C(CH.sub.3).sub.2 CN HC23 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR19## CH.sub.3C24 Cl Cl CHF.sub.2 CH.sub.3 CH.sub.2 H HC25 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR20## HC26 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) H HC27 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CF.sub.3 HC28 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CF.sub.3 NaC29 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR21## HC30 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.3 CH.sub.3C31 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR22## CH.sub.3C32 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR23## HC33 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 SO.sub.2 CH.sub.3 HC34 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR24## HC35 F CH.sub.3 CH.sub.3 CHF.sub.2 CH(CH.sub.3) NHCH.sub.3 HC36 F CH.sub.3 CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.3 HC37 F CH.sub.3 CH.sub.3 CHF.sub.2 CH.sub.2 SO.sub.2 CH.sub.3 HC38 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2C39 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2C40 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub. 3) SO.sub.2 N(CH.sub.3).sub.2 HC41 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 NHCH(CH.sub.3).sub.2 HC42 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR25## HC43 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR26## HC44 F Cl CF.sub.2 Cl CH.sub.3 CH(CH.sub.3) H CH.sub.3C45 F CH.sub.3 CHF.sub.2 CH.sub.3 CH(CH.sub.3) SO.sub.2 CH.sub.3 HC46 F CH.sub.2 SCH.sub.3 CHF.sub.2 CH.sub.3 CH.sub.2 CH.sub.3 CH.sub.3C47 F Cl CHF.sub.2 CH.sub.2 CN CH(CH.sub.3) H HC48 F Cl CHF.sub.2 CH.sub.2 SCN CH(CH.sub.3) H CH(CH.sub.3).sub.2C49 F Cl CF.sub.3 CH.sub.2 OCH.sub.3 CH.sub.2 CH.sub.2 CHCH.sub.2 HC50 F Cl CF.sub.3 CH.sub.2 CHCH.sub.2 CH(CH.sub.3) ##STR27## HC51 F Cl CHF.sub.2 CHF.sub.2 CH(CH.sub. 3) H HC52 Cl Cl CHF.sub.2 CH.sub.3 CH.sub.2 ##STR28## HC53 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.2 CH.sub.2 OCH.sub.3 HC54 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR29## HC55 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 SO.sub.2 CH.sub.2 CHCH.sub.2 HC56 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 SO.sub.2 CH.sub.2 CHCH.sub.2 NaC57 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2C58 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR30## HC59 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR31## HC60 Cl Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) SO.sub.2 N(CH.sub.3).sub.2 HC61 F Cl CHF.sub.2 CHF.sub.2 CH(CH.sub.3) H HC62 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR32##C63 CF.sub.3 Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) H HC64 F Cl CH.sub.2 CN CHF.sub.2 CH(CH.sub.3) H HC65 F Cl CH.sub.2 SCH.sub.3 CHF.sub.2 CH.sub.2 CH.sub.3 HC66 F Cl SCH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.3 CH.sub.3C67 F Cl Cl CHF.sub.2 CH(CH.sub.3) H HC68 F ##STR33## CH.sub.3 CHF.sub.2 CH(CH.sub.3) H HC69 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR34## HC70 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR35## HC71 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR36## NaC72 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR37## HC73 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR38## HC74 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR39## HC75 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR40## HC76 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR41## HC77 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR42## HC78 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR43## HC79 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR44## CH.sub.3C80 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR45## HC81 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR46## HC82 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR47## HC83 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR48## NaC84 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR49## CH.sub.3C85 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR50## HC86 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR51##C87 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR52## HC88 F Cl CH.sub.3 CH.sub.3 CH(CH.sub.3) ##STR53## HC89 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR54##C90 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR55## HC91 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR56## NaC92 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR57## NaC93 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR58## HC94 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR59## HC95 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR60## HC96 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2C97 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR61##C98 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR62## NaC99 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR63## HC100 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR64## NaC101 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR65## HC102 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR66##C103 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR67##C104 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR68##C105 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR69## HC106 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR70## NaC107 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR71## HC108 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR72##C109 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR73## HC110 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR74## NaC111 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR75## HC112 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR76## HC113 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR77## HC114 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR78## NaC115 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR79## HC116 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR80## HC117 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR81## HC118 Cl Cl CClF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR82## HC119 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR83## HC120 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR84## HC121 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR85## NaC122 Cl Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR86## HC123 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR87## HC124 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR88## HC125 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR89## HC126 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR90## HC127 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR91## HC128 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR92## HC129 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR93## HC130 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR94## NaC131 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR95## HC132 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR96## NaC133 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR97## HC134 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR98## HC135 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR99## HC136 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR100## HC137 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR101## HC138 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR102## HC139 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR103## NaC140 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR104## HC141 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR105## HC142 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR106## HC143 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR107## HC144 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR108## HC145 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR109## HC146 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR110## HC147 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR111## HC148 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR112## HC149 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR113## HC150 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR114## HC151 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR115## HC152 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR116## HC153 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR117## HC154 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR118## HC155 Cl Cl CHF.sub.2 CH.sub. 3 CH(CH.sub.3) ##STR119## HC156 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR120## HC157 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.3 HC158 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub. 2 CF.sub.3 HC159 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 NH.sub.2 HC160 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR121## HC161 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR122## HC162 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR123## HC163 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR124## HC164 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR125## HC165 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR126## HC166 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR127## HC167 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR128## HC168 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR129## HC169 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR130## HC170 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR131## HC171 F Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR132## HC172 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR133## HC173 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR134## HC174 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR135## HC175 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR136## HC176 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR137## HC177 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR138## HC178 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR139## HC179 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR140## HC180 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR141## HC181 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR142## HC182 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR143## HC183 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR144## HC184 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR145## HC185 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) H HC186 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.3 HC187 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3 ) CH.sub.3 CH.sub.3C188 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) C.sub.2 H.sub.5 HC189 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR146## HC190 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) H HC191 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) CH.sub.3 HC192 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) CH.sub.3 CH.sub.3C193 F Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) CH.sub.3 CH.sub.3C194 F Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) H HC195 F Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) CH.sub.3 HC196 Br Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) CH.sub.3 CH.sub.3C197 Br Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) H HC198 Br Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) CH.sub.3 HC199 Br Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) CH.sub.3 HC200 Br Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) H HC201 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR147## HC202 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR148## HC203 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR149## HC204 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR150## HC205 Br Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR151## HC206 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR152## NaC207 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR153## NaC208 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR154## HC209 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR155## HC210 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR156## HC211 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR157## HC212 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR158## HC213 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR159## HC214 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR160## HC215 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR161## HC216 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR162## HC217 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR163## HC218 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR164## HC219 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR165## HC220 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR166## HC221 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR167## HC222 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR168## HC223 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR169## HC224 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR170## CH.sub.2 CHCH.sub.2C225 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR171## CH.sub.2 C CHC226 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR172## HC227 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR173## HC228 F Cl CHF.sub.2 CH.sub. 3 CH(CH.sub.3) ##STR174## HC229 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR175## HC230 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR176## HC231 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR177## HC232 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR178## NaC233 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR179## CH.sub.3C234 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR180## HC235 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR181## HC236 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR182## HC237 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR183## HC238 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub. 3) ##STR184## HC239 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR185## HC240 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR186## HC241 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR187## HC242 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR188## HC243 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR189## HC244 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR190## HC245 F CF.sub.3 CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR191## HC246 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR192## HC247 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR193## HC248 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR194## HC249 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR195## HC250 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR196## HC251 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR197## HC252 F Cl CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR198## HC253 F Cl CClF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR199## HC254 F Cl CF.sub.3 CH.sub.3 CH(CH.sub.3) ##STR200## HC255 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR201## HC256 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR202## HC257 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR203## HC258 F Br CHF.sub.2 CH.sub.3 CH(CH.sub.3) ##STR204## HC259 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR205## HC260 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR206## HC261 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR207## HC262 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR208## HC263 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR209## HC264 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR210## HC265 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR211## HC266 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR212## HC267 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR213## NaC268 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR214## HC269 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR215## HC270 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR216## NaC271 F CF.sub.3 CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR217## HC272 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR218## HC273 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR219## HC274 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR220## HC275 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR221## HC276 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.2 SO.sub.2 CH.sub.3 HC277 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) SO.sub.2 CH.sub.2 SCH.sub.3 HC278 Cl Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR222## HC279 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR223## HC280 F CF.sub.3 CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR224## HC281 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR225## HC282 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR226## HC283 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR227## HC284 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR228## HC285 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR229## HC286 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR230## HC287 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR231## HC288 F Br CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR232## HC289 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR233## HC290 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR234## HC291 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR235## HC292 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR236## KC293 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR237## (CH.sub.3).sub.2 CHNH.sub.3.sup..sym. 8C294 F CF.sub.3 CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR238## HC295 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR239## HC296 F Cl CH.sub.3 CHF.sub.2 CH(CH.sub.3) ##STR240## NaC297 F Cl CH.sub.3 CHF.sub.2 CH.sub.2 ##STR241## H__________________________________________________________________________ Other representative compunds are those which are identical with compounds C1-C95, C97-C114, C116-C122, C124-C132, C134-C140, C142-C143, C145-C147, C149-C150, C152-C156, C159, C161-C165, C168, C170, C173-C184, C186, C189-C192, C196-C225, C228-C233, C235-C241, C243-C257, C259-C272, C274-C287, and C289-297, respectively, except that X is F and Y is Br. Still other representative compounds are those which are identical with compounds C1-C234, C246-C270, C272-C279, C281-C293 and C295-C297, respectively, except that X is F and Y is CF.sub.3 . TABLE 2__________________________________________________________________________Identifying PropertiesCmpd. Melting Elemental AnalysisNo. Point (.degree.C.) Empirical Formula C H N__________________________________________________________________________C1 209-210 C.sub.12 H.sub.10 Cl.sub.2 F.sub.2 N.sub.4 O.sub.3 NMR .delta. CDCl.sub.3 /DMSO d.sub.6): 2.20(s,3H), 4.60(s,2H), 7.30(bs,3H), 7.40(5,1H,J=58Hz), 7.65(s,1H).C2 Oil C.sub.14 H.sub.14 ClF.sub.3 N.sub.4 O.sub.3 NMR .delta. (CDCl.sub.3): 1.60(d,3H,J=7Hz), 2.50(s,3H), 2.90(d,3H,J=7Hz), 4.75(q,1H,J=7Hz), 6.80(bs,1H), 7.10(t,1H,J=58Hz), 7.20-7.45 (m,2H).C3 185-188 C.sub.14 H.sub.14 Cl.sub.2 F.sub.2 N.sub.4 O.sub.5 S C 36.61 3.07 12.20 F 36.79 3.01 12.41 NMR .delta. (CDCl.sub.3): 1.70(d,3H,J=7Hz), 2.50(s,3H), 3.40(s,3H), 4.80(q,1H,J=7Hz), 7.10(s,1H), 7.10(t,1H,J=58Hz), 7.70(s,1H).C4 Oil C.sub.14 H.sub.11 Cl.sub.2 F.sub.5 N.sub.4 O.sub.5 S C 32.76 2.16 10.92 F 32.80 2.05 8.77 NMR .delta. (CDCl.sub.3): 1.70(d,3H,J=7Hz), 2.50(s,3H), 4.90(q,1H,J=7Hz), 7.10(s,1H), 7.10(t,1H,J=58Hz), 7.60(s,1H), 8.50(bs,1H).C5 132-135 C.sub.13 H.sub.12 Cl.sub.2 F.sub.2 N.sub.4 O.sub.3C6 142-144 C.sub.14 H.sub.14 Cl.sub.2 F.sub.2 N.sub.4 O.sub.3C7 173-175 C.sub.12 H.sub.10 ClF.sub.3 N.sub.4 O.sub.3C8 105-110 C.sub.16 H.sub.18 ClF.sub.3 N.sub.4 O.sub.3C9 Oil C.sub.17 H.sub.20 ClF.sub.3 N.sub.4 O.sub.3C10 Solid C.sub.20 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5 S C 46.29 3.50 10.80 F 46.77 4.12 11.03C11 Oil C.sub.15 H.sub.16 ClF.sub.3 N.sub.4 O.sub.4 C 44.07 3.94 13.71 F 38.44 3.67 11.28C12 Solid C.sub.16 H.sub.14 ClF.sub.3 N.sub.4 O.sub.3 C 47.71 3.50 13.91 F 46.03 3.60 13.91C13 57 C.sub.19 H.sub.16 ClF.sub.3 N.sub.4 O.sub.3 C 51.77 3.66 12.71 F 50.90 4.00 11.88C14 Oil C.sub.15 H.sub.16 ClF.sub.3 N.sub.4 O.sub.3C15 Solid C.sub.17 H.sub.20 ClF.sub.3 N.sub.4 O.sub.3C16 Oil C.sub.15 H.sub.16 ClF.sub.3 N.sub.4 O.sub.3C17 Solid C.sub.16 H.sub.16 ClF.sub.3 N.sub.4 O.sub.5C18 145-150 C.sub.14 H.sub.14 ClF.sub.3 N.sub.4 O.sub.5 SC19 Solid C.sub.14 H.sub.14 ClF.sub.3 N.sub.4 NaO.sub.5 SC20 Solid C.sub.20 H.sub.17 ClF.sub.3 N.sub.4 NaO.sub.5 SC21 Oil C.sub.18 H.sub.18 ClF.sub.3 N.sub.4 O.sub.3 C 50.18 4.21 13.00 F 50.95 3.91 12.38C22 Oil C.sub.17 H.sub.17 ClF.sub.3 N.sub.5 O.sub.3C23 Oil C.sub.20 H.sub.18 ClF.sub.3 N.sub.4 O.sub.3C25 Solid C.sub.19 H.sub.15 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 S C 42.31 2.80 10.39 F 40.44 2.91 8.56C26 142-143 C.sub.13 H.sub.12 ClF.sub.3 N.sub.4 O.sub.3C32 127-134 C.sub.19 H.sub.16 ClF.sub.3 N.sub.4 O.sub.5 SC38 47-54 C.sub.17 H.sub.18 ClF.sub.3 N.sub.4 O.sub.3 C 48.75 4.33 13.38 F 47.06 3.73 12.36C42 Oil C.sub.21 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5 SC43 162-166 C.sub.19 H.sub.15 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 SC59 100-105 C.sub.21 H.sub.18 ClF.sub.3 N.sub.4 O.sub.7 S C 44.81 3.40 9.95 F 42.20 2.81 9.61C69 Solid C.sub.19 H.sub.16 ClF.sub.3 N.sub.4 O.sub.5 S C 45.20 3.19 11.10 F 44.74 3.55 10.59C70 208-208.5 C.sub.18 H.sub.13 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 S C 41.16 2.49 10.67 F 44.11 3.08 10.96C71 Solid C.sub.19 H.sub.14 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 SNaC72 135-140 C.sub.20 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5 SC73 Solid C.sub.19 H.sub.15 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 SC74 110 C.sub.19 H.sub.15 ClF.sub.3 N.sub.5 O.sub.7 SC75 175-180 C.sub.19 H.sub.14 Cl.sub.3 F.sub.3 N.sub.4 O.sub.5 SC76 171-173 C.sub.19 H.sub.15 Cl.sub.3 F.sub.2 N.sub.4 O.sub.5 SC77 66-70 C.sub.19 H.sub.15 ClF.sub.4 N.sub.4 O.sub.5 SC78 248-253 C.sub.22 H.sub.22 ClF.sub.3 N.sub.4 O.sub.5 SC79 Solid C.sub.21 H.sub.20 ClF.sub.3 N.sub.4 O.sub.5 SC80 67-70 C.sub.20 H.sub.15 ClF.sub.6 N.sub.4 O.sub.5 SC81 58-62 C.sub.20 H.sub.18 ClF.sub.3 N.sub.4 O.sub.6 SC82 Solid C.sub.20 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5 SC83 108-113 C.sub.20 H.sub.17 ClF.sub.3 N.sub.4 O.sub.6 SNaC84 155-157 C.sub.20 H.sub.17 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 S C 43.41 3.10 10.13 F 42.65 3.30 9.19C85 69-74 C.sub.17 H.sub.14 ClF.sub.3 N.sub.4 O.sub.5 S.sub.2C86 Solid C.sub.19 H.sub.20 ClF.sub.3 N.sub.4 O.sub.5C87 Solid C.sub.23 H.sub.24 ClF.sub.3 N.sub.4 O.sub.5 S C 49.24 4.31 9.99 F 46.40 4.21 8.63C88 Solid C.sub.19 H.sub.17 Cl.sub.2 FN.sub.4 O.sub.5 SC89 Solid C.sub.18 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5C90 168-172 C.sub.21 H.sub.20 ClF.sub.3 N.sub.4 O.sub.7 SC91 Solid C.sub.21 H.sub.19 ClF.sub.3 N.sub.4 O.sub.7 SNaC92 Solid C.sub.20 H.sub.17 ClF.sub.3 N.sub.4 O.sub.5 SNaC93 173-179 C.sub.21 H.sub.18 ClF.sub.3 N.sub.4 O.sub.7 SC94 65-70 C.sub.19 H.sub.15 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 SC95 110 C.sub.19 H.sub.15 BrClF.sub.3 N.sub.4 O.sub.5 S C 39.09 2.59 9.60 F 38.75 2.66 9.64C97 Solid C.sub.20 H.sub.22 ClF.sub.3 N.sub.4 O.sub.5C98 Solid C.sub.21 H.sub.17 ClF.sub.3 N.sub.4 O.sub.7 SNaC99 Solid C.sub.20 H.sub.17 BrClF.sub.3 N.sub.4 O.sub.6 SC100 Solid C.sub.20 H.sub.16 BrClF.sub.3 N.sub.4 O.sub.6 SNaC101 Solid C.sub.20 H.sub.15 ClF.sub.3 N.sub.5 O.sub.5 S C 45.33 2.85 13.22 F 44.83 2.42 13.06C102 60-70 C.sub.18 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5 S C 43.69 3.67 11.32 F 43.24 4.01 10.71C103 80-95 C.sub.18 H.sub.18 ClF.sub.3 N.sub.4 O.sub.7 SC104 Oil C.sub.21 H.sub.24 ClF.sub.3 N.sub.4 O.sub.5C105 Solid C.sub.21 H.sub.20 ClF.sub.3 N.sub.4 O.sub.7 SC106 Solid C.sub.21 H.sub.19 ClF.sub.3 N.sub.4 O.sub.7 SNaC107 170 C.sub.19 H.sub.15 ClF.sub.3 N.sub.5 O.sub.7 SC108 Solid C.sub.18 H.sub.19 ClF.sub.3 N.sub.5 O.sub.4C109 Oil C.sub.22 H.sub.22 ClF.sub.3 N.sub.4 O.sub.6 SC110 85-90 C.sub.22 H.sub.21 ClF.sub.3 N.sub.4 O.sub.6 SNaC111 Oil C.sub.19 H.sub.16 ClF.sub.3 N.sub.4 O.sub.6 SC112 174-176 C.sub.20 H.sub.18 ClF.sub.3 N.sub.4 O.sub.7 SC113 Oil C.sub.20 H.sub.17 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 SC114 60-70 C.sub.20 H.sub.16 Cl.sub.2 F.sub.3 N.sub.4 O.sub.5 SNaC115 Solid C.sub.19 H.sub.15 BrClF.sub.3 N.sub.4 O.sub.5 SC116 188-191 C.sub.20 H.sub.16 ClF.sub.3 N.sub.4 O.sub.7 SC117 >230 C.sub.23 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5 SC118 144-147 C.sub.21 H.sub.19 Cl.sub.3 F.sub.2 N.sub.4 O.sub.7 SC119 211-212 C.sub.20 H.sub.18 ClF.sub.3 N.sub.4 O.sub.7 SC120 Solid C.sub.20 H.sub.17 ClF.sub.3 N.sub.4 O.sub.7 SNaC121 Solid C.sub.20 H.sub.17 ClF.sub.3 N.sub.4 O.sub.7 SNaC122 105-110 C.sub.21 H.sub.20 Cl.sub.2 F.sub.2 N.sub.4 O.sub.7 SC123 163-166 C.sub.21 H.sub.20 BrF.sub.3 N.sub.4 SO.sub.7C124 Solid C.sub.21 H.sub.21 ClF.sub.3 N.sub.5 O.sub.5 SC125 Solid C.sub.20 H.sub.15 ClF.sub.6 N.sub.4 O.sub.6 SC126 Solid C.sub.20 H.sub.17 ClF.sub.3 N.sub.5 O.sub.7 SC127 Solid C.sub.28 H.sub.34 ClF.sub.3 N.sub.4 F.sub.3 O.sub.5 SC128 Solid C.sub.28 H.sub.33 ClF.sub.3 N.sub.4 O.sub.5 SNaC129 147-149 C.sub.19 H.sub.16 ClF.sub.3 N.sub.4 O.sub.6 S C 43.81 3.10 10.76 F 44.31 3.26 10.54C130 Solid C.sub.19 H.sub.15 ClF.sub.3 N.sub.4 O.sub.6 SNaC131 198-201 C.sub.23 H.sub.22 ClF.sub.3 N.sub.4 O.sub.6 S C 48.05 3.86 9.74 F 47.11 3.89 9.34C132 Solid C.sub.20 H.sub.14 ClF.sub.6 N.sub.4 O.sub.6 SNaC133 Solid C.sub.20 H.sub.15 BrF.sub.6 N.sub.4 O.sub.6 SC134 65-68 C.sub.20 H.sub.17 ClF.sub.4 N.sub.4 O.sub.6 SC135 68-72 C.sub.20 H.sub.17 ClF.sub.4 N.sub.4 O.sub.6 SC136 Solid C.sub.21 H.sub.20 ClF.sub.3 N.sub.4 O.sub.6 SC137 130-134 C.sub.20 H.sub.17 ClF.sub.4 N.sub.4 O.sub.3C138 136-140 C.sub.23 H.sub.18 ClF.sub.3 N.sub.4 O.sub.5 SC139 Solid C.sub.21 H.sub.19 ClF.sub.3 N.sub.4 O.sub.6 SNaC140 150-153 C.sub.23 H.sub.22 ClF.sub.3 N.sub.4 O.sub.4C141 160-164 C.sub.23 H.sub.22 BrF.sub.3 N.sub.4 O.sub.6 SC143 145-147 C.sub.23 H.sub.24 ClF.sub.3 N.sub.4 O.sub.7 SC147 148-152 C.sub.21 H.sub.19 ClF.sub.3 N.sub.5 O.sub.7 SC156 95-98 C.sub.23 H.sub.22 Cl.sub.2 F.sub.2 N.sub.4 O.sub.6 SC161 oil C.sub.22 H.sub.20 ClF.sub.3 N.sub.4 O.sub.5C179 124-127 C.sub.27 H.sub.18 ClF.sub.3 N.sub.4 O.sub.7 SC180 146-149 C.sub. 19 H.sub.14 Cl.sub.3 F.sub.3 N.sub.4 O.sub.3 C 44.77 2.77 10.99 F 44.97 2.79 10.61C204 solid C.sub.21 H.sub.20 Cl.sub.2 F.sub.2 N.sub.4 O.sub.7 SC205 solid C.sub.21 H.sub.20 Br.sub.2 F.sub.2 N.sub.4 O.sub.7 SC206 100-105 C.sub.23 H.sub.17 ClF.sub.3 N.sub.4 O.sub.5 SNaC207 115-121 C.sub.20 H.sub.16 ClF.sub.4 N.sub.4 O.sub.6 SNaC208 161-165 C.sub.22 H.sub.20 ClF.sub.3 N.sub.4 O.sub.6 SC209 oil C.sub.22 H.sub.18 ClF.sub.3 N.sub.4 O.sub.6 SC232 solid C.sub.22 H.sub.17 ClF.sub.3 N.sub.4 O.sub.6 SNaC234 87 C.sub.22 H.sub.18 BrF.sub.3 N.sub.4 O.sub.6 S C 43.79 3.01 9.29 F 42.95 2.87 8.96C239 50-53 C.sub.23 H.sub.20 Cl.sub.2 F.sub.2 N.sub.4 O.sub.6 SC240 solid C.sub.23 H.sub.20 ClF.sub.3 N.sub.4 O.sub.6 S C 48.22 3.52 9.78 F 48.17 3.39 9.14C241 84-89 C.sub.23 H.sub.24 Cl.sub.2 F.sub.2 N.sub.4 O.sub.6 SC245 55-60 C.sub.23 H.sub.18 F.sub.6 N.sub.4 O.sub.6 SC267 solid C.sub.22 H.sub.19 ClF.sub.3 N.sub.4 O.sub.6 SNaC268 solid C.sub.18 H.sub.17 ClF.sub.3 N.sub.5 O.sub.6 S C 41.27 3.27 13.37 F 40.34 3.10 12.80C269 solid C.sub.22 H.sub.18 Cl.sub.2 F.sub.2 N.sub.4 O.sub.6 S C 45.93 3.15 9.74 F 45.25 3.08 9.19C291 75-80 C.sub.23 H.sub.21 Cl.sub.2 F.sub.3 N.sub.4 O.sub.6 SC292 solid C.sub.23 H.sub.21 ClF.sub.3 N.sub.4 O.sub.6 SKC293 solid C.sub.26 H.sub.31 ClF.sub.3 N.sub.5 O.sub.6 SC294 88-90 C.sub.24 H.sub.22 F.sub.6 N.sub.4 O.sub.6 SC295 solid C.sub.23 H.sub.22 ClF.sub.3 N.sub.4 O.sub.6 S C 48.05 3.86 9.74 F 47.21 3.95 9.31C296 solid C.sub.23 H.sub.21 ClF.sub.3 N.sub.4 O.sub.6 SNa__________________________________________________________________________ TABLE 3 Preemergence Herbicidal Activity Compound No. C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 Rate (kg/ha) 2.0 1.0 2.0 2.0 2.0 2.0 1.0 2.0 1.0 1.0 1.0 1.0 2.0 2.0 Species % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Cotton 70 100 100 40 100 100 100 90 80 100 100 100 100 100 Soybean 40 100 40 0 100 90 10 100 90 90 100 100 100 100 Field Corn 60 100 80 0 100 100 100 100 100 20 100 100 90 100 Rice 20 100 80 0 100 100 40 100 90 80 100 100 100 100 Wheat 20 100 90 40 100 100 30 100 100 70 100 100 90 100 Field Bindweed 100 100 100 80 100 100 100 100 100 100 100 100 100 100 Morningglory 100 100 100 90 100 90 100 100 100 100 100 100 100 100 Velvetleaf 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Barnyardgrass 80 100 100 90 100 100 100 100 100 100 100 100 100 100 Green Foxtail 90 100 100 90 100 100 90 100 100 100 100 100 100 100 Johnsongrass 80 100 100 50 100 100 90 100 100 90 100 100 100 100 Yellow Nutsedge 80 100 100 50 100 100 100 90 80 60 100 100 100 100 Compound No. C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C32 C38 Rate (kg/ha) 2.0 2.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 1.0 1.0 1.0 Species % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Cotton 100 100 100 100 100 100 100 100 30 40 100 100 100 90 Soybean 100 100 100 0 20 80 90 100 50 10 30 100 40 100 Field Corn 100 100 100 70 100 50 100 100 90 80 70 100 20 100 Rice 100 100 90 80 60 30 80 100 20 30 60 90 50 100 Wheat 100 100 90 50 40 10 100 100 70 0 30 100 10 100 Field Bindweed 100 100 100 80 80 100 100 100 100 90 100 100 100 100 Morningglory 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Velvetleaf 100 100 100 100 100 100 100 100 100 90 100 100 100 100 Barnyardgrass 100 100 100 100 100 100 100 100 100 80 100 100 100 100 Green Foxtail 100 100 100 100 100 100 100 100 100 100 90 100 80 100 Johnsongrass 100 100 100 90 90 40 100 100 100 70 70 100 80 100 Yellow Nutsedge100 100 100 90 80 10 80 100 40 30 80 100 40 ND Compound No. C42 C43 C59 C69 C70 C71 C72 C73 C74 C75 C76 C77 C78 C79 Rate (kg/ha) 1.0 1.0 1.0 0.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Species % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C% K % C % K % C Cotton 90 100 100 40 100 100 100 80 100 90 60 95 80 50 Soybean 70 70 50 10 20 50 50 30 80 30 30 40 40 0 Field Corn 40 70 70 30 30 50 60 30 0 50 20 30 50 10 Rice 60 90 80 30 70 40 30 40 40 60 30 70 50 50 Wheat 70 70 40 0 20 40 20 50 30 40 20 60 40 20 Field Bindweed 100 100 100 90 100 100 100 100 90 100 100 100 100 80 Morningglory 100 100 100 80 100 100 100 100 100 100 100 100 100 100 Velvetleaf 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Barnyardgrass 100 100 100 20 20 90 100 90 85 95 100 100 100 80 Green Foxtail 100 100 100 20 0 40 95 100 100 95 70 100 90 100 Johnsongrass 60 95 100 40 80 60 90 80 70 80 40 95 40 80 Yellow Nutsedge 70 100 70 70 90 40 60 20 20 30 30 50 30 20 Compound No. C80 C81 C82 C83 C84 C85 C86 C87 C88 C89 C90 C91 C92 C93 Rate (kg/ha) 1.0 1.0 1.0 1.0 1.0 1.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Species % K % C % K % C % K % C % K % C % K % C % K % C 5 K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Cotton 60 100 100 95 10 100 100 30 0 90 100 100 100 20 Soybean 20 100 10 95 0 30 70 20 10 30 100 90 30 0 Field Corn 0 50 20 20 10 95 100 10 10 60 80 80 20 30 Rice 20 50 30 40 20 80 90 40 0 90 80 90 40 50 Wheat 30 100 20 30 0 80 90 10 0 80 70 50 30 10 Field Bindweed 100 100 100 100 30 100 100 100 0 100 100 100 100 80 Morningglory 100 100 100 100 100 100 100 100 0 100 100 100 100 80 Velvetleaf 100 100 100 100 90 100 100 100 10 100 100 100 100 100 Barnyardgrass 95 100 95 95 10 100 100 95 40 100 100 100 100 100 Green Foxtail 100 100 100 90 30 100 100 0 0 100 100 100 100 0 Johnsongrass 95 100 95 80 30 100 100 30 10 95 100 95 80 30 Yellow Nutsedge 0 80 10 20 ND ND ND ND ND ND ND ND ND ND Compound No. C94 C95 C97 C98 C99 C100 C101 C102 C103 C104 C105 C106 C107 C108 Rate (kg/ha) 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Species % K % C % K % C % K % C % K % C% K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Cotton 80 100 100 100 80 80 95 30 30 30 100 100 90 100 Soybean 20 60 20 30 70 50 30 20 10 10 95 90 10 95 Field Corn 20 20 70 40 30 60 10 50 30 90 70 30 20 100 Rice 20 30 80 20 20 60 20 80 50 80 95 90 40 95 Wheat 0 10 70 20 10 20 10 50 30 80 50 30 0 95 Field Bindweed 100 100 100 100 100 100 90 20 40 100 100 100 80 90 Morningglory 100 100 100 100 100 100 100 80 60 90 100 100 95 100 Velvetleaf 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Barnyardgrass 60 40 100 90 100 70 60 100 95 95 100 100 40 80 Green Foxtail 50 50 100 80 100 80 40 100 100 100 100 100 0 100 Johnsongrass 60 60 90 95 80 80 50 80 80 95 100 100 50 100 Yellow Nutsedge ND ND ND ND ND ND ND ND ND ND ND ND ND ND Compound No. C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 Rate (kg/ha) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Species % K % C % K % C% K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Cotton 70 30 20 90 50 30 80 95 50 20 50 70 95 70 Soybean 90 95 40 40 0 0 30 0 95 0 30 20 20 50 Field Corn 100 100 10 0 10 10 10 10 10 10 10 10 20 40 Rice 95 90 70 20 20 20 10 20 30 0 30 20 30 0 Wheat 100 100 50 10 10 10 30 10 0 10 30 10 10 10 Field Bindweed 95 100 70 100 100 90 100 90 100 80 100 100 100 100 Morningglory 100 100 70 90 90 95 100 95 100 50 100 90 90 80 Velvetleaf 100 100 90 100 100 100 100 100 100 50 100 100 100 100 Barnyardgrass 100 100 100 40 50 70 50 80 40 10 50 80 70 70 Green Foxtail 100 100 100 80 30 70 90 40 80 10 0 0 20 50 Johnsongrass 100 100 70 95 30 70 90 80 20 10 70 70 90 100 Yellow Nutsedge ND ND ND ND ND ND ND ND ND ND ND ND ND ND Compound No. C123 C124 C125 C140 C147 C161 C179 C180 C204 C205 C206 C207 C208 C232 C234 C235 C236 C237 C238 C239 C241 C242 C245 C269 Rate (kg/ha) 0.25 0.5 0.5 0.5 0.5 0.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.25 0.25 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.25 0.25 Species % K % C % K % C % K % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C Cotton 50 20 20 60 20 50 30 20 60 30 95 60 30 20 10 20 10 30 40 90 10 80 10 10 Soybean 50 60 30 30 30 0 10 0 50 10 30 20 70 5 20 50 10 70 30 50 20 100 0 0 Field Corn 0 70 10 20 70 0 10 0 30 20 10 0 80 5 0 0 10 95 20 95 95 20 0 0 Rice 60 80 10 60 30 50 20 30 30 10 70 50 80 5 0 10 50 90 40 80 80 40 0 0 Wheat 10 60 10 70 40 40 30 30 0 0 10 20 100 0 0 20 0 30 80 70 20 0 0 Field Bindweed 100 100 80 70 20 50 80 70 100 50 100 100 70 -- -- 80 40 20 95 70 10 100 -- -- Morningglory 100 95 90 100 100 100 80 60 100 95 100 100 95 20 60 100 20 95 100 80 40 100 20 0 Wild Mustard 90 90 -- -- -- -- -- -- -- 70 0 Velvetleaf 100 100 100 100 ND 100 100 ND 100 100 100 100 100 100 90 100 70 100 100 100 100 100 100 95 Barnyardgrass 100 100 30 95 50 100 80 60 90 10 100 100 100 30 0 0 50 100 80 100 95 70 0 0 Green Foxtail 10 100 50 95 100 80 70 100 20 20 80 100 95 10 0 90 50 100 90 100 90 100 0 0 Johnsongrass 100 100 10 95 60 95 70 60 90 50 100 60 100 0 10 10 95 60 10 95 95 60 0 0 Yellow Nutsedge ND ND ND TABLE 4 Postemergence Herbicidal Activity Compound No. C1 C2 C3 C4 C5 C 6 C7 C8 C9 C10 C11 C12 C13 C14 Rate (kg/ha) 2.0 1.0 2.0 2.0 2.0 2.0 1.0 2.0 1.0 1.0 1.0 1.0 2.0 2.0 % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Species Cotton 100 100 100 70 100 100 100 100 90 100 100 100 100 100 Soybean 30 90 40 40 90 90 60 90 80 100 90 90 80 100 Field Corn 70 100 100 40 100 100 50 90 80 60 100 100 100 100 Rice 20 100 70 50 100 100 80 80 50 60 100 100 100 70 Wheat 0 100 40 30 100 100 10 80 60 60 100 100 100 100 Field Bindweed 100 100 90 100 100 100 100 100 90 60 90 100 100 100 Morningglory 100 100 100 90 100 100 100 100 80 100 100 100 100 100 Velvetleaf 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Barnyardgrass 100 100 100 90 100 100 100 60 100 100 100 100 100 100 Green Foxtail 100 100 100 90 100 100 100 100 100 100 100 100 100 100 Johnsongrass 80 100 90 40 90 100 90 80 90 80 90 100 100 100 Yellow Nutsedge 60 100 30 20 100 100 80 60 20 10 100 100 100 100 Compound No. C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C32 C38 Rate (kg/ha) 2.0 2.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 1.0 1.0 1.0 % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Species Cotton 100 100 100 100 100 100 100 100 100 50 100 100 100 100 Soybean 90 100 100 40 40 100 100 100 80 20 70 80 80 100 Field Corn 90 100 100 30 20 0 100 100 80 20 60 100 20 100 Rice 50 90 100 10 10 20 60 80 30 10 50 90 50 100 Wheat 100 100 100 100 100 100 100 100 90 10 60 90 50 100 Field Bindweed 100 100 90 100 100 100 100 100 100 100 100 100 100 70 Morningglo ry 100 100 100 100 100 100 100 100 80 90 100 100 100 100 Velvetleaf 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Barnyardgrass 100 100 100 100 100 100 100 100 100 80 100 100 100 100 Green Foxtail 100 100 100 100 100 100 100 100 100 100 100 100 80 100 Johnsongrass 90 100 50 90 100 40 100 100 100 60 100 90 40 90 Yellow Nutsedge 90 100 100 100 60 10 80 80 40 0 70 90 20 ND Compound No. C42 C43 C59 C69 C70 C71 C72 C73 C74 C75 C76 C77 C78 C79 Rate (kg/ha) 1.0 1.0 1.0 0.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Species Cotton 100 100 100 100 90 100 100 100 85 95 95 100 100 100 Soybean 100 90 80 50 60 60 70 85 90 90 80 80 100 50 Field Corn 100 100 80 80 40 60 50 30 40 100 70 100 100 20 Rice 60 50 40 60 30 40 60 60 60 40 40 30 30 20 Wheat 90 95 80 90 40 95 30 80 50 40 30 100 90 40 Field Bindweed 100 100 100 100 100 100 100 100 95 100 100 100 100 50 Morningglory 95 100 100 100 100 100 100 100 100 100 95 100 100 60 Velvetleaf 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Barnyardgrass 95 100 100 100 100 100 100 90 100 95 95 95 100 100 Green Foxtail 100 100 100 50 30 100 60 90 85 100 95 100 90 95 Johnsongrass 95 100 95 60 70 50 50 70 50 80 40 70 60 80 Yellow Nutsedge 40 95 100 50 40 20 60 30 30 10 20 30 20 70 Compound No. C80 C81 C82 C83 C84 C85 C86 C87 C88 C89 C90 C91 C92 C93 Rate (kg/ha) 1.0 1.0 1.0 1.0 1.0 1.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Species Cotton 100 100 100 100 80 100 100 90 10 90 100 100 100 100 Soybean 80 100 80 100 40 90 80 100 30 90 100 100 90 70 Field Corn 40 80 100 95 40 95 100 100 20 100 95 100 100 70 Rice 10 90 70 60 20 95 100 50 10 70 60 90 70 30 Wheat 40 95 90 90 30 80 100 60 10 100 100 100 80 80 Field Bindweed 100 100 100 100 20 95 100 100 10 95 100 100 100 70 Morningglory 100 100 100 100 90 100 100 100 20 100 100 100 100 95 Velvetleaf 100 100 100 100 100 100 100 100 20 100 100 100 100 100 Barnyardgrass 40 100 100 100 95 100 100 100 20 100 100 100 100 100 Green Foxtail 100 100 100 100 30 100 100 80 50 100 100 100 80 95 Johnsongrass 40 100 100 95 20 90 100 30 30 80 100 100 70 30 Yellow Nutsedge 20 20 0 60 ND ND ND ND ND ND ND ND ND ND Compound No. C94 C95 C97 C98 C99 C100 C101 C102 C103 C104 C105 C106 C107 C108 Rate (kg/ha) 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Species Cotton 100 100 95 90 90 100 100 100 100 80 100 100 100 100 Soybean 80 95 95 70 100 100 60 50 30 80 100 100 60 100 Field Corn 50 95 100 70 100 100 50 60 30 90 95 100 60 100 Rice 30 70 95 70 40 40 20 70 40 70 95 95 20 95 Wheat 40 100 100 90 100 100 40 95 30 90 100 100 20 100 Field Bindweed 95 100 95 100 100 100 90 90 95 50 100 100 100 100 Morningglory 100 100 100 100 100 100 90 100 95 90 100 100 100 100 Velvetleaf 100 100 100 100 100 100 100 95 100 100 100 100 100 100 Barnyardgrass 80 90 95 95 100 100 30 60 60 95 100 100 95 100 Green Foxtail 95 100 100 70 90 100 10 100 100 95 100 100 90 100 Johnsongrass 60 70 95 90 100 90 50 70 70 80 100 100 60 100 Yellow Nutsedge ND ND ND ND ND ND ND ND ND ND ND ND ND ND Compound No. C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 Rate (kg/ha) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C % K % C Species Cotton 95 80 40 90 80 95 20 100 100 40 95 80 100 95 Soybean 95 100 50 90 40 50 30 60 100 95 95 95 80 80 Field Corn 80 90 20 40 30 30 30 40 100 100 40 60 10 60 Rice 80 80 20 20 $0 $0 10 20 0 10 10 10 20 10 Wheat 95 95 70 90 30 30 30 60 95 60 90 100 100 100 Field Bindweed 100 100 60 100 100 100 10 80 100 95 100 100 100 95 Morningglory 100 100 100 100 100 100 30 100 100 80 100 100 100 100 Velvetleaf 100 100 100 100 100 100 20 100 100 100 100 100 100 100 Barnyardgrass 100 100 100 95 30 70 20 70 100 60 50 50 80 100 Green Foxtail 100 100 100 100 80 90 30 70 100 40 70 20 30 80 Johnsongrass 100 100 95 95 40 30 30 80 70 20 60 40 80 80 Yellow Nutsedge ND ND ND ND ND ND ND ND ND ND ND ND ND ND Compound No. C123 C124 C125 C140 C147 C161 C179 C180 C204 C205 C 206 C207 C208 C232 C234 C235 C236 C237 C238 C239 C241 C242 C245 C269 Rate (kg/ha) 0.25 0.5 0.5 0.5 0.5 0.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.25 0.25 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.25 0.25 % K % C % K % C % K % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C % C Species Cotton 100 100 100 100 30 70 80 100 100 90 100 100 70 90 100 100 60 100 90 95 80 100 100 95 Soybean 100 100 100 50 80 40 80 60 95 60 80 80 95 90 90 95 50 90 100 80 70 100 80 50 Field Corn 90 100 100 60 70 60 60 70 100 100 80 50 40 20 50 50 40 60 100 90 50 80 20 40 Rice 90 70 0 60 70 30 30 30 50 30 50 60 60 40 10 20 40 80 70 90 50 70 10 10 Wheat 100 100 100 95 95 40 40 40 100 90 95 90 90 80 80 40 40 80 95 80 50 80 80 50 Field Bindweed 100 100 100 30 60 90 100 70 100 70 100 95 100 -- -- 100 30 90 100 95 95 100 -- -- Morningglory 100 100 100 90 95 100 70 90 100 90 100 100 100 100 100 100 70 100 100 100 95 100 90 80 Wild Mustard 100 100 -- -- -- -- -- -- -- 100 80 Velvetleaf 100 100 100 100 95 100 100 95 100 100 100 100 100 100 100 100 90 100 100 100 100 100 100 100 Barnyardgrass 95 100 95 90 95 90 90 90 80 70 100 80 100 50 40 50 60 95 90 95 95 50 30 30 Green Foxtail 95 100 95 90 95 100 90 50 80 90 90 80 100 100 20 95 70 95 95 100 100 95 80 30 Johnsongrass 95 95 90 60 70 90 40 40 90 90 90 70 100 20 50 20 80 95 95 100 100 95 50 50 Yellow Nutsedge ND ND ND Paddy Rice Test Compound No. C25 C99 C123 C136 C170 C184 Rate (kg/ha) 0.0625 0.03125 0.03125 0.03125 0.03125 0.03125 % C % C % C % C % C % C Species Rice-Mars 0 20 10 20 0 0 Rice-Labelle 0 0 20 10 0 10 Hemp Sesbania 70 60 50 50 30* 50 Flatsedge Rice 95 90 95 100 100 80 Barnyardgrass 70 40 90 80 70* 50 Green Sprangletop 100 95 95 100 10* *Data marked with asterisk were obtained in a separate test in the absenc of the rice crop.

Claims

1. A herbicidal compound of the formula ##STR242## in which X is Br, Cl, F or CF.sub.3 ;

Y is Br, Cl, F, CH.sub.3, CH.sub.2 F, or a radical of the formula R.sup.8 OCH.sub.2 --, R.sup.8 SCH.sub.2 --, R.sup.8 SOCH.sub.2 -- or R.sup.8 SO.sub.2 CH.sub.2 -- where R.sup.8 is C.sub.1 -C.sub.3 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 alkynyl, phenyl, or phenyl substituted with halogen or with alkyl or haloalkyl of less than 6 carbon atoms;

R.sup.3 is alkylene or haloalkylene of less than 6 carbon atoms;

R.sup.1 is halogen, alkyl of 1 to 5 carbon atoms, haloalkyl of 1 to 5 carbon atoms, alkoxyalkyl of 2 to 6 carbon atoms, cyanoalkyl of 2 to 6 carbon atoms, benzyl, alkylthio of 1 to 3 carbon atoms, alkylsulfinyl of 1 to 3 carbon atoms, alkylsulfonyl of 1 to 3 carbon atoms, or alkylthioalkyl, alkylsulfinylalkyl, or alkylsulfonylalkyl of 1 to 3 carbon atoms independently with respect to each alkyl;

R.sup.2 is alkyl of 1 to 5 carbon atoms, haloalkyl of 1 to 5 carbon atoms, alkenyl of 2 to 5 carbon atoms, alkynyl of 3 to 5 carbon atoms, cyanomethyl, cyanoethyl, thiocyanomethyl, or a group of the formula -alkylene-Y.sup.1 -R.sup.5 in which said alkylene group has 1 to 5 carbon atoms, Y.sup.1 is oxygen or S(O).sub.r in which r is 0-2, and R.sup.5 is alkyl of 1 to 5 carbon atoms, alkenyl of 2 to 5 carbon atoms, or alkynyl of 3 to 5 carbon atoms;

R.sub.6 is an arylsulfonyl group wherein the aryl is selected from the group consisting of phenyl, isoxazolyl, thienyl, benzofuran, dihydrobenzofuran, naphthyl, benzodioxole, anthraquinone, and 1,4-naphthoquinone, said group being unsubstituted or having one or more substituents selected from halogen, nitro, amino, fluorosulfonyl, alkyl, haloalkyl, aminoalkyl, dialkylaminoalkyl, haloalkoxy, alkoxy, alkenyloxy, haloalkenyloxy, alkynyloxy, cyanoalkoxy, epoxyalkoxy, dialkylaminoalkoxy, alkoxyalkoxy, alkoxyalkylthio, cyano, aminocarbonyloxy, alkylaminocarbonyloxy, dialkylaminocarbonyloxy, acylamino, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, and hydroxycarbonyl in which any alkyl, alkenyl or alkynyl moiety has less than 6 carbon atoms; and R.sub.7 is hydrogen, a salt forming group, cycloalkyl and alkyl, alkenyl, or alkynyl having less than 6 carbon atoms.

2. A compound as in claim 1 in which said arylsulfonyl is a halophenyl, alkoxyphenyl, or alkylphenyl or a 2,3-dihydrobenzofuranyl.

3. The compound of claim 1 in which X is F, Y is Cl, R.sup.3 is --CH(CH.sub.3)--, R.sup.2 is CHF.sub.2, and R.sup.1 is CH.sub.3.

4. A compound as in claim 2 in which the sulfonamide is a 2,3-dihydro-2,2-dimethylbenzofuranylsulfonamide.

5. The compound of claim 4 in which X is F, Y is Cl, R.sup.3 is --CH(CH.sub.3)--, R.sup.2 is CHF.sub.2, and R.sup.1 is CH.sub.3.

6. An herbicidal composition comprising an herbicidally effective amount of the compound of claim 2 in admixture with a suitable carrier.

7. A method for controlling undesired plant growth which comprises applying to the locus where control is desired an herbicidally effective amount of the composition of claim 6.

8. An herbicidal composition comprising an herbicidally effective amount of the compound of claim 2 in admixture with a suitable carrier.

9. A method for controlling undesired plant growth which comprises applying to the locus where control is desired an herbicidally effective amount of the composition of claim 8.

10. A compound as in claim 1 in which the aryl of said arylsulfonylamide is phenyl or phenyl substituted with halogen, nitro, amino, fluorosulfonyl, alkyl, haloalkyl, aminoalkyl, dialkylaminoalkyl, haloalkoxy, alkoxy, alkenyloxy, haloalkenyloxy, alkynyloxy, cyanoalkoxy, epoxyalkoxy, dialkylaminoalkoxy, alkoxyalkoxy, alkoxyalkylthio, cyano, aminocarbonyloxy, alkylaminocarbonyloxy, dialkylaminocarbonyloxy, acylamino, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or hydroxycarbonyl.

11. A herbicidal composition comprising a herbicidally effective amount of the compound of claim 10 in admixture with a suitable carrier.

12. A method of controlling undesired plant growth which comprises applying to the locus where control is desired a herbicidally effective amount of the composition of claim 11.