Claims
- 1. A 4-benzoylpyrazole of the formula I ##STR708## where the variables have the following meanings: R.sup.1, R.sup.2 are hydrogen, nitro, halogen, cyano, thiocyanato, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, --OR.sup.5, --OCOR.sup.6, --OSO.sub.2 R.sup.6, --SH, --S(O).sub.n R.sup.7, --SO.sub.2 OR.sup.5, --SO.sub.2 NR.sup.5 R.sup.8, --NR.sup.8 SO.sub.2 R.sup.6 or --NR.sup.8 COR.sup.6 ;
- R.sup.3 is hydrogen, cyano, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, --OR.sup.7, --SR.sup.7 or --NR.sup.7 R.sup.10 ;
- R.sup.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.4 -C.sub.6 -cycloalkenyl, C.sub.3 -C.sub.6 -alkynyl, --COR.sup.9, --CO.sub.2 R.sup.9, --COSR.sup.9 or --CONR.sup.8 R.sup.9, it being possible for the abovementioned alkyl, cycloalkyl, alkenyl, cycloalkenyl and alkynyl radicals and R.sup.9 of the radicals --COR.sup.9, --CO.sub.2 R.sup.9, --COSR.sup.9 and --CONR.sup.8 R.sup.9 to be partially or fully halogenated and/or to have attached to them one to three of the following groups:
- hydroxyl, mercapto, amino, cyano, R.sup.10, --OR.sup.10, --SR.sup.10, --NR.sup.8 R.sup.10, .dbd.NOR.sup.10, --OCOR.sup.10, --SCOR.sup.10, --NR.sup.8 COR.sup.10, --CO.sub.2 R.sup.10, --COSR.sup.10, --CONR.sup.8 R.sup.10, C.sub.1 -C.sub.4 -alkyliminooxy, C.sub.1 -C.sub.4 -alkoxyamino, C.sub.1 -C.sub.4 -alkylcarbonyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, it being possible for the eight last-mentioned radicals, in turn, to be substituted;
- X is oxygen or NR.sup.8 ;
- n is 0, 1 or 2;
- R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.3 -C.sub.6 -alkynyl;
- R.sup.6 is C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -haloalkyl;
- R.sup.7 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.3 -C.sub.6 -alkynyl;
- R.sup.8 is hydrogen or C.sub.1 -C.sub.6 -alkyl;
- R.sup.9 is C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, phenyl or benzyl;
- R.sup.10 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.3 -C.sub.6 -alkynyl;
- Q is a pyrazole of the formula II ##STR709## which is linked in the 4-position and where R.sup.11 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, phenyl or phenyl which is partially or fully halogenated and/or has attached to it one to three of the following radicals:
- nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy;
- R.sup.12 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkylcarbonyl, C.sub.1 -C.sub.6 -haloalkylcarbonyl, C.sub.1 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.6 -alkylsulfonyl, C.sub.1 -C.sub.6 -haloalkylsulfonyl, phenylcarbonyl, phenylcarbonylmethyl, phenoxycarbonyl or phenylsulfonyl, the four last-mentioned substituents being unsubstituted or the phenyl ring being in each case partially or fully halogenated and/or having attached to it one to three of the following radicals:
- nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy;
- R.sup.13 is hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -haloalkyl;
- or an agriculturally useful salt thereof.
- 2. A 4-benzoylpyrazole of the formula I as claimed in claim 1 where
- R.sup.1 is nitro, halogen, cyano, thiocyanato, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, --OR.sup.5 or --S(O).sub.n R.sup.7 ;
- R.sup.2 is hydrogen or a radical as mentioned above under R.sup.1.
- 3. A 4-benzoylpyrazole of the formula Ia ##STR710## where the variables R.sup.1 to R.sup.4, X and Q have the meanings given under claim 1.
- 4. A process for the preparation of 4-benzoylpyrazoles of the formula I as claimed in claim 1, which comprises acylating a pyrazole of the formula II (where R.sup.12 =H) where the variables R.sup.11 and R.sup.13 have the meanings given under claim 1 ##STR711## with an activated carboxylic acid III.alpha. or with a carboxylic acid III.beta., ##STR712## where the variables R.sup.1 to R.sup.4 and X have the meanings given under claim 1 and L.sup.1 is a nucleophilically displaceable leaving group, subjecting the acylation product to a rearrangement reaction, if appropriate in the presence of a catalyst, to give the compounds I (where R.sup.12 =H) and, if desired, to prepare 4-benzoylpyrazoles of the formula I where R.sup.12 .noteq.H reacting the product with a compound of the formula V
- L.sup.2 R.sup.12 V
- (where R.sup.12 .noteq.H)
- where R.sup.12 has the meanings given under claim 1 with the exception of hydrogen and L.sup.2 is a nucleophilically displaceable leaving group.
- 5. A composition comprising a herbicidally active amount of at least one 4-benzoylpyrazole of the formula I or of an agriculturally useful salt of I as claimed in claim 1 and auxiliaries conventionally used for the formulation of crop protection products.
- 6. A process for the preparation of herbicidally active compositions as claimed in claim 5, which comprises mixing a herbicidally active amount of at least one 4-benzoylpyrazole of the formula I or of an agriculturally useful salt of I with auxiliaries conventionally used for the formulation of crop protection products.
- 7. A method of controlling undesirable vegetation, which comprises allowing a herbicidally active amount of at least one 4-benzoylpyrazole of the formula I or of an agriculturally useful salt of I as claimed in claim 1 to 3 to act on plants, their environment and/or on seeds.
Priority Claims (1)
Number |
Date |
Country |
Kind |
197 00 096 |
Jan 1997 |
DEX |
|
Parent Case Info
This application is a 371 of PCT/EP97/07210 Dec. 19, 1997.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/EP97/07210 |
12/19/1997 |
|
|
6/23/1999 |
6/23/1999 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO98/29392 |
7/9/1998 |
|
|
US Referenced Citations (7)
Number |
Name |
Date |
Kind |
4063925 |
Konotsune et al. |
Dec 1977 |
|
4146726 |
Konotsune et al. |
Mar 1979 |
|
4261729 |
Konotsune et al. |
Apr 1981 |
|
4414392 |
Konotsune et al. |
Nov 1983 |
|
4508910 |
Konotsune et al. |
Apr 1985 |
|
4643757 |
Baba et al. |
Feb 1987 |
|
4687858 |
Konotsune et al. |
Aug 1987 |
|
Foreign Referenced Citations (4)
Number |
Date |
Country |
203 428 |
Dec 1986 |
EPX |
282 944 |
Sep 1988 |
EPX |
344 775 |
Dec 1989 |
EPX |
2 122 188 |
Jan 1984 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Tanaka er al, Chemical Abstracts, vol. 129:302,634, 1998. |