Claims
- 1. A 3-phenylpyrazole of formula I whereinR1 is —O—R6, —S—R6, —SO—R6, —SO2—R6 or —SO2—N(R7,R8); R2 is cyano, trifluoromethyl or halogen; R3 is hydrogen, C1-C4-alkyl or C1-C4-haloalkyl; R4 is C1-C4-alkyl or C1-C4-haloalkyl; R5 is hydrogen, nitro, halogen, —COOR29 or —CO—N(R30,R31); Z is oxygen, sulfur, —SO— or —SO2—; R6 is C1-C8-alkyl, C3-C6-alkynyl or (C1-C8-alkoxy)carbonyl-C1-C6-alkyl; R7 is hydrogen or C1-C8-alkyl; R8 is hydrogen, C1-C8-alkyl or (C1-C4-alkoxy)carbonyl-C1-C4—alkyl; R19 is hydrogen, C1-C4-alkyl, phenyl or benzyl; R29 is hydrogen, C1-C8-alkyl, C1-C8-haloalkyl, C3-C7-cycloalkyl which may carry from one to three C1-C3-alkyl radicals, C3-C6-alkenyl, C5-C7-cycloalkenyl which may carry from one to three C1-C3-alkyl radicals, C3-C6-haloalkenyl, cyano-C1-C8—alkyl, C3-C6-alkynyl, C1-C4-alkoxy-C1-C4-alkyl, 2-tetrahydrofuryl-C1-C8-alkyl, 3-oxetanyl, 3-thietanyl, carboxyl-C1-C6-alkyl, (C1-C8-alkoxy)carbonyl-C1-C6-alkyl, C1-C4-alkoxy-(C1-C4-alkoxy)carbonyl-C1-C6-alkyl, cyclopropylmethyl, (1-methylthiocycloprop-1-yl)methyl, C3-C9-(α-alkylalkylidene)iminooxy-C1-C6-alkyl, (C1-C4-alkyl)carbonyl, C1-C4-alkyl which is substituted by —C(R19)═N—O—(C1-C4-alkyl), —C(R19)═N—O—(C1-C4-haloalkyl), —C(R19)═N—O—(C3-C6-alkenyl), —C(R19)═N—O—(C3-C6-haloalkenyl) or —C(R19)═N—O—(C1-C4-alkyl)—R34, phenyl, phenyl-C1-C6-alkyl, phenyl-C2-C6-alkenyl, phenyl-C3-C6-alkynyl or phenoxy-C1-C6-alkyl, where the phenyl ring is unsubstituted or carries from one to three radicals selected from the group consisting of halogen, nitro, cyano, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio, C1-C4-haloalkyl and C2-C6-alkenyl, 5- or 6-membered heteroaryl, heteroaryl-C1-C6-alkyl, heteroaryl-C3-C6-alkenyl, heteroaryl-C3-C6-alkynyl or heteroaryloxy-C1-C6-alkyl, where the heteroaromatic radical contains from one to three hetero atoms selected from the group consisting of one or two nitrogen atoms, and one oxygen or sulfur atom, and where the heteroaromatic radical may carry on each substitutable ring member a radical selected from the group consisting of hydroxyl, halogen, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-alkylthio and C1-C4-alkyl; R30 and R31 are independently of one another hydrogen, C1-C8-alkyl, C1-C8-haloalkyl, C2-C8-alkenyl, C2-C8-alkynyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkyl, cyano-C1-C8-alkyl, carboxyl-C1-C4-alkyl, (C1-C4-alkoxy)carbonyl-C1-C4-alkyl, C1-C4-alkylsulfonyl-C1-C4-alkyl, C3-C8-cycloalkyl, C1-C6-alkoxy, (C3-C6-cycloalkoxy)-carbonyl-C1-C4-alkyl, C1-C4-alkoxy-(C1-C4-alkoxy)carbonyl-C1-C4-alkyl, (C1-C4-alkyl)carbonyl, (C1-C4-haloalkyl)carbonyl, tetrahydrofuran-2-on-3-yl, phenyl or phenyl-C1-C4-alkyl, where the phenyl ring is unsubstituted or carries one to three radicals selected from the group consisting of halogen, nitro, cyano, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio, C1-C4-haloalkyl and C2-C6-alkenyl,5- or 6-membered heteroaryl or heteroaryl-C1-C4-alkyl, where the heteroaromatic radical contains from one to three hetero atoms selected from the group consisting of one or two nitrogen atoms, and one oxygen or sulfur atom, and where the heteroaromatic radical may carry on each substitutable ring atom a radical selected from the group consisting of hydroxyl, halogen, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio and C1-C4-haloalkyl; or R30 and R31 together form a tetramethylene, pentamethylene or ethyleneoxyethylene chain which may carry from one to three C1-C4-alkyl radicals and a radical —COOR6; R34 is phenyl or 5- or 6-membered heteroaryl containing from one to three hetero atoms selected from the group consisting of two nitrogen atoms and one oxygen or sulfur atom, where the phenyl or heteroaryl ring may carry on each substitutable ring member a substituent selected from the group consisting of hydroxyl, nitro, cyano, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-alkylthio, or an agriculturally usable salt of I.
- 2. The 3-phenylpyrazole of the formula I as defined in claim 1, wherein R2 is halogen.
- 3. The 3-phenylpyrazole of the formula I as defined in claim 1, wherein R5 is halogen.
- 4. The 3-phenylpyrazole of the formula I as defined in claim 1, wherein Z is oxygen.
- 5. The 3-phenylpyrazole of the formula I as defined in claim 1, wherein Z is sulfur, SO or SO2.
- 6. A herbicidal composition comprising a liquid or solid carrier and optionally an adjuvant and a herbicidally active quantity of a 3-phenylpyrazole of the formula I or a salt of I, as defined in claim 1.
- 7. A method of controlling unwanted plant growth, which comprises allowing a herbicidally active quantity of a 3-phenylpyrazole of the formula I or a salt of I, as defined in claim 1, to act on plants, their habitat or on seeds.
Priority Claims (1)
Number |
Date |
Country |
Kind |
44 17 837 |
May 1994 |
DE |
|
Parent Case Info
This is a Divisional Application of application Ser. No. 08/737,815, filed on Nov. 19, 1996, now U.S. Pat. No. 5,928,999 which is a National Stage Application under 35 U.S.C. 371, based on International Application No. PCT/EP 95/01772, filed May 10, 1995.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4008249 |
Fischer et al. |
Feb 1977 |
A |
5605876 |
Higashimura et al. |
Feb 1997 |
A |
Foreign Referenced Citations (15)
Number |
Date |
Country |
443 059 |
Aug 1991 |
EP |
447 055 |
Sep 1991 |
EP |
2262663 |
Sep 1975 |
FR |
2073172 |
Oct 1981 |
GB |
372460 |
Jun 1988 |
JP |
2300173 |
Sep 1988 |
JP |
3093774 |
Sep 1989 |
JP |
3151367 |
Nov 1989 |
JP |
347180 |
Apr 1990 |
JP |
381275 |
May 1990 |
JP |
6199806 |
Sep 1992 |
JP |
9201509 |
Feb 1992 |
WO |
9206962 |
Apr 1992 |
WO |
9325535 |
Dec 1993 |
WO |
9405660 |
Mar 1994 |
WO |
Non-Patent Literature Citations (3)
Entry |
Chem. Abst., vol. 122, No. 7, Feb. 13, 1995, Abs. No. 81124f. |
Chem. Abst., vol. 115, No. 5, Aug. 5, 1991. |
Chem. Abst., vol. 121, 1994, Abst. Nos. 300885q and 300886r. |