EP0931072A1 - 1-sulfonyl-3-phenylpyrazoles et leur utilisation comme herbicides et pour le dessechement ou la defoliation de vegetaux - Google Patents

1-sulfonyl-3-phenylpyrazoles et leur utilisation comme herbicides et pour le dessechement ou la defoliation de vegetaux

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Publication number
EP0931072A1
EP0931072A1 EP97942003A EP97942003A EP0931072A1 EP 0931072 A1 EP0931072 A1 EP 0931072A1 EP 97942003 A EP97942003 A EP 97942003A EP 97942003 A EP97942003 A EP 97942003A EP 0931072 A1 EP0931072 A1 EP 0931072A1
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EP
European Patent Office
Prior art keywords
alkyl
phenyl
haloalkyl
halogen
carbonyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP97942003A
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German (de)
English (en)
Inventor
Cyrill Zagar
Gerhard Hamprecht
Markus Menges
Olaf Menke
Peter Schäfer
Karl-Otto Westphalen
Ulf Misslitz
Helmut Walter
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BASF SE
Original Assignee
BASF SE
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Publication of EP0931072A1 publication Critical patent/EP0931072A1/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/18—One oxygen or sulfur atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
    • C07D231/24—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms having sulfone or sulfonic acid radicals in the molecule

Definitions

  • the present invention relates to new l-sulfonyl-3-phenylpyrazoles of the formula I.
  • R 1 C ⁇ -C 4 alkyl or C ⁇ -C 4 -Halogenal yl; 20th
  • R 2 C ⁇ -C 4 alkyl or C ⁇ -C 4 haloalkyl
  • R 3 is hydrogen, cyano, halogen or -CC. 4 -Al yl;
  • R 4 is hydrogen or halogen
  • R 5 is hydrogen, cyano, nitro, halogen, C 1 -C 4 alkyl
  • 35 group consisting of cyano, carboxy, halogen, C ⁇ -C 4 -alkyl, C 4 haloalkyl, C ⁇ -C4 alkoxy, (C ⁇ . -C 4 alkoxy) carbonyl, di- (C ⁇ -C4-alkyl ) amino and phenyl;
  • R 6 is hydrogen, nitro, cyano, halogen, halosulfonyl, -OYR 8 , 40 -O-CO-YR 8 , -N (YR 8 ) (ZR 9 ), -N (YR 8 ) -S0 2 -ZR 9 ,
  • Y, Z independently of one another are a chemical bond or a methylene or ethylene chain, which may be unsubstituted or bear one or two substituents, each selected from the group consisting of carboxy, C 1 -C 4 -alkyl, C 4 -C 4 -Halogenalkyl, (C ⁇ ⁇ C 4 alkoxy) carbonyl and phenyl;
  • R 8 , R 9 independently of one another are hydrogen, C ⁇ -C 6 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl, C 2 -C 6 haloalki: nyl, -CH (Rü) (R 12 ), (R 12 ) -N0 2 , -C (R H ) (R 12 ) -CN, -C (R 1: 1 ) (R 12 ) -halogen, (R 1 ) -0R 13 , -CtR 11 ) (R 12 ) -N (R l3 ) R 14 ,
  • C 3 -C 8 cycloalkyl which is a carbonyl or thiocarbonyl Ring member may contain phenyl or 3- to 7-membered heterocyclic, which may contain a carbonyl or thiocarbonyl ring member, wherein each cycloalkyl, the phenyl and each heterocyclyl ring may be unsubstituted or carry one to four substituents , each selected from the group consisting of cyano, nitro, amino, hydroxy, carboxy, halogen, C 1 -C 4 -alkyl, C ⁇ -C4-haloalkyl, C ⁇ -C 4 -alkoxy, C 4 haloalkoxy, C ⁇ -C4-alkylthio, C ⁇ -C4-haloalkylthio, C ⁇ -C onyl -Alkylsul 4, C ⁇ -C 4 haloalkylsulfonyl
  • R, R 14 independently of one another
  • R 15 is hydrogen, Ci-Cß-alkyl, C ⁇ -C 6 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl, C 2 -C 6 haloalkynyl, C 3 -C 8 cycloalkyl, phenyl or phenyl-C ⁇ -C 4 alkyl;
  • the invention also relates to the use of compounds I as herbicides and / or for the desiccation and / or defoliation of plants, herbicidal agents and agents for the desiccation and / or defoliation of plants which contain the compounds I as active substances,
  • the present invention was based on new 3-phenyl-pyrazoles as tasks with which undesired plants can be controlled more effectively than before.
  • the task also extended to the provision of new desiccant / defoliant connections.
  • herbicidal compositions which contain the compounds I and have a very good herbicidal action.
  • processes for the preparation of these compositions and processes for controlling unwanted vegetation using the compounds I have been found.
  • the compounds I are also suitable for the desiccation / defoliation of parts of plants, for which crop plants such as cotton, potatoes, rapeseed, sunflower, soybeans or field beans, in particular cotton, are suitable.
  • agents for the desiccation and / or defoliation of plants methods for producing these agents and methods for the desiccation and / or defoliation of plants with the compounds I have been found.
  • the compounds of the formula I can contain one or more centers of chirality and are then present as mixtures of enantiomers or diastereomers. The invention relates both to the pure enantiomers or diastereomers and to their mixtures.
  • All carbon chains that is to say all alkyl, haloalkyl, phenylalkyl, cycloalkylalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl -, haloalkylsulfonyl, alkenyl, haloalkenyl,
  • Alkynyl and haloalkynyl parts can be straight-chain or branched.
  • Halogenated substituents preferably carry one to five identical or different halogen atoms.
  • Halogen is fluorine, chlorine, bromine or iodine.
  • C ⁇ -C 4 alkyl for: CH 3 , CH B , n-propyl, CH (CH 3 ) 2 , n-butyl, CH (CH 3 ) -C 2 H 5 , CH 2 -CH (CH 3 ) 2 and C ⁇ CH 3 ) 3 ;
  • C ⁇ -C 4 haloalkyl for: a C ⁇ -C 4 alkyl radical as mentioned above which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example CH 2 F, CHF2, CF3, CH 2 CI, Dichloromethyl, trichloromethyl, chlorofluoromethyl, dichlorofluoromethyl, chlorodifluoromethyl, 2-fluoroethyl,
  • C ⁇ -C 6 alkyl for: C ⁇ -C 4 alkyl as mentioned above, and for example n-pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, n-hexyl, 1, 1-dimethylpropyl, 1, 2-dimethylpropyl, 1-methylpentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 1, 1-dimethylbutyl, 1, 2-dimethylbutyl, 1, 3-dimethylbuty1, 2, 2-dimethylbutyl, 2,3-dimethylbutyl, 3, 3-dimethylbutyl, 1-ethylbutyl, 2-ethylbutyl, 1, 1,2-trimethylpropyl, 1, 2, 2-trimethylpropyl, 1-ethyl-l-methylpropyl or l-ethyl- 2-methylpropyl, preferably methyl, ethyl, n-
  • C ⁇ -C 6 -haloalkyl for: a C ⁇ -C 6 -alkyl radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example one of the radicals mentioned under C ⁇ -C 4 -haloalkyl and for 5-fluoro-1-pentyl, 5-chloro-1-pentyl, 5-bromo-1-pentyl, 5-iodo-1-pentyl, 5, 5, 5-trichloro-1-penyl, undecafluoropentyl, 6-fluorine -l-hexyl, 6-chloro-l-hexyl, 6-bromo-l-hexyl, 6-iodo-l-hexyl, 6,6,6-trichloro-1-hexyl or dodecafluorohexyl;
  • Phenyl-C ⁇ -C 4 -alkyl for: benzyl, 1-phenylethyl, 2-phenylethyl, 1-phenylprop-l-yl, 2-phenylprop-l-yl, 3-phenylprop-l-yl, 1-phenylbut-l- yl, 2-phenylbut-l-yl, 3-phenylbut-l-yl, 4-phenylbut-l-yl, l-phenylbut-2-yl, 2-phenylbut-2-yl, 3-phenylbut-2-yl, 3-phenylbut-2-yl, 4-phenylbut-2-yl,
  • C 3 -C 8 cycloalkyl-C ⁇ -C 4 -alkyl for: cyclopropylmethyl, 1-cyclopropyl-ethyl, 2-cyclopropyl-ethyl, 1-cyclopropyl-prop-l-yl, 2-cyclopropyl-prop-l- yl, 3-cyclopropy1-prop-l-yl, 1-cyclopropyl-but-1-yl, 2-cyclopropyl-but-l-yl, 3-cyclopropyl-but-l-yl, 4-cyclopropyl-but- l-yl, l-cyclopropyl-but-2-yl, 2-cyclopropyl-but-2-yl, 3-cyclopropyl-but-2-yl, 3-cyclopropyl-but-2-yl, 4-cyclopropyl- but-2-yl, 1- (cyclopropylmethyl) -eth-l-yl, 1- (cyclopropylmethyl) -1-
  • Cyclopentylmethyl 1-cyclopentyl-ethyl, 2-cyclopentyl-ethyl, 1-cyclopentyl-prop-l-yl, 2-cyclopentyl-prop-l-yl, 3-cyclopentyl-prop-1-yl, 1-cyclopentyl but-l-yl, 2-cyclopent-1-but-l-yl, 3-cyclopentyl-but-l-yl, 4-cyclopentyl-but-l-yl, l-cyclopentyl-but-2-yl, 2-cyclopentyl -but-2-yl, 3-cyclopentyl-but-2-yl, 3-cyclopentyl-but-2-yl, 4-cyclopentyl-but-2-yl, 1- (cyclopentylmethyl) -eth-l-yl , 1- (cyclopentylmethyl) -1- (CH 3 ) -eth-l-yl, l- (cyclopentylmethyl) prop-
  • C 3 -C 8 cycloalkyl-C 4 -C 4 -alkyl which contains a carbonyl or thiocarbonyl ring member for: for example cyclobutanon-2-ylmethyl, cyclobutanon-3-ylmethyl, cyclopentanon-2-ylmethyl, cyclo- pen anon-3-ylmethyl, cyclohexanon-2-ylmethyl, cyclohexanon-4-ylmethyl, cycloheptanon-2-ylmethyl, cycloctanon-2-ylmethyl, cyclobutanthion-2-ylmethyl, cyclobutanethion-3-ylmethyl, cyclopentanthione -2-ylmethyl, cyclopentanethion-3-ylmethyl, cyclohexanthion-2-ylmethyl, cyclohexanethion-4-ylmethyl, cycloheptanthion-2-ylmethyl, cyclooctanethion
  • Heterocyclyl-C ⁇ -C 4 -alkyl for: heterocyclylmethyl, 1-heterocyclic-ethyl, 2-heterocyclyl-ethyl, 1-heterocyclyl-prop-l-yl, 2-heterocyclyl-prop-l-yl, 3-heterocyclyl- prop-l-yl, 1-heterocyclic-but-1-yl, 2-heterocyclyl-but-l-yl, 3-heterocyclyl-but-l-yl, 4-heterocyclyl-but-l-yl, l- Heterocyclyl-but-2-yl, 2-heterocyclyl-but-2-yl, 3-heterocyclyl-but-2-yl, 3-heterocyclic-but-2-yl, 4-heterocyclyl-but-2-yl, 1- (heterocyclylmethyl) -eth-l-yl, 1- (heterocyclylmeth
  • C ⁇ -C 4 alkoxy for: OCH 3 , OC 2 H 5 , n-propoxy, 0CH (CH 3 ) 2 , n-butoxy, 0CH (CH 3 ) -C 2 H 5 , OCH 2 -CH (CH 3 ) 2 or 0C (CH 3 ) 3 , preferably for OCH3, OC2H5 or 0CH (CH 3 ) 2;
  • C ⁇ -C 4 haloalkoxy for: a C ⁇ -C 4 alkoxy radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example OCH 2 F, OCHF 2 , OCF3, OCH 2 Cl , OCH (CD 2 , 0C (C1) 3 , chlorofluoromethoxy, dichlorofluoromethoxy, chlorodifluoromethoxy, 2-fluoroethoxy, 2-chloroethoxy, 2-bromoethoxy, 2-iodoethoxy, 2,2-difluoroethoxy, 2, 2, 2- Trifluoroethoxy, 2-chloro-2-fluoroethoxy,
  • 2,2, 2-trichloroethoxy, OC 2 F 5 2-fluoropropoxy, 3-fluoropropoxy, 2,2-difluoropropoxy, 2, 3-difluoropropoxy, 2-chloropropoxy, 3-chloropropoxy, 2, 3-dichloropropoxy, 2-bromopropoxy, 3-bromopropoxy, 3, 3, 3-trifluoropropoxy, 3, 3, 3- Trichloropropoxy, 2,2,3,3,3-pentafluoropropoxy, OCF 2 -C 2 F 5 , 1- (CH 2 F) -2-fluoroethoxy, 1- (CH 2 C1) -2-chloroethoxy, 1- (CH 2 Br) -2-bromethoxy,
  • C ⁇ -C 4 -haloalkylthio for: a C ⁇ -C 4 alkylthio radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example SCH 2 F, SCHF 2 , SCHC1, SCH (Cl) 2 , SC (C1) 3 , SCF 3 , chlorofluoromethylthio, dichlorofluoromethylthio, chlorodifluoromethylthio, 2-fluoroethylthio, 2-chloroethylthio, 2-bromoethylthio, 2-iodoethylthio, 2,2-difluoroethylthio, 2, 2, 2- Trifluoroethylthio,
  • 2-chloro-2-fluoroethylthio 2-chloro-2, 2-difluoroethylthio, 2, 2-dichloro-2-fluoroethylthio, 2,2, 2-trichloroethylthio, SC 2 F 5 , 2-fluoropropylthio, 3-fluoropropylthio, 2 , 2-difluoropropylthio, 2, 3-difluoropropylthio, 2-chloropropylthio, 3-chloropropylthio, 2,3-dichloropropylthio, 2-bromopropylthio, 3-bromopropylthio,
  • C ⁇ -C 4 -alkoxy-C ⁇ -C 4 -alkyl for: C ⁇ -C 4 -alkoxy - as mentioned above - substituted C ⁇ -C 4 -alkyl, for example for CH 2 -OCH 3 , CH 2 -OC 2 H5, n-propoxymethyl, CH 2 -OCH (CH 3 ) 2 , n-butoxymethyl, (1-methylpropoxy) ethyl, (2-methylpropoxy) methyl, CH2-OC (CH 3 ) 3- 2- (methoxy) ethyl, 2- (ethoxy) ethyl, 2- (n-propoxy) ethyl, 2- (1-methylethoxy) ethyl, 2- (n-butoxy) ethyl, 2- (1-methylpropoxy) ethyl, 2- ( 2-methylpropoxy) ethyl, 2- (1, 1-dimethylethoxy) ethyl, 2- (methoxy) propyl,
  • C 1 -C 4 -alkylthio-C ⁇ -C 4 -alkyl for: C 1 -C 4 -alkylthio - as mentioned above - substituted C substitu-C 4 -alkyl, for example for CH 2 -SCH 3 , CH 2 -SC 2 H 5 , n-propylthiomethyl, CH 2 -SCH (CH 3 ) 2, n-butylthiomethyl, (1-methylpropylthio) methyl, (2-methylpropylthio) methyl, CH 2 -SC (CH 3 ), 2- (methylthio) ethyl, 2- (ethylthio) ethyl, 2- (n-propylthio) ethyl, 2- (1-methylethylthio) ethyl, 2- (n-butylthio) ethyl, 2- (1-methylpropylthio) ethyl, 2 - (2-methylpropylthio) ethyl
  • (C ⁇ -C 4 -alkyl) carbonyl for: CO-CH 3 , CO-C 2 H 5 , CO-CH 2 -C 2 H 5 , CO-CH (CH 3 ) 2 , n-butylcarbonyl, CO-CH ( CH3) -C 2 H 5 , CO-CH 2 -CH (CH3) 2 or CO-C (CH 3 ) 3 , preferably for CO-CH 3 or CO-C 2 H 5 ;
  • (C ⁇ -C 4 -haloalkyl) carbonyl for: a (C ⁇ -C4-alkyl) carbonyl radical - as mentioned above - which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example CO-CH 2 F, CO-CHF 2 , CO-CF3, CO-CH2CI, CO-CH (Cl) 2 , CO-C (Cl) 3 , chlorofluoromethylcarbonyl, dichlorofluoromethylcarbonyl,
  • (C ⁇ -C 4 -alkyl) carbonyloxy for: O-CO-CH 3 , 0-CO-C 2 H 5 , O-CO-CH2-C 2 H5, 0-CO-CH (CH 3 ) 2 , O- CO-CH2-CH2-C2H5, 0-CO-CH (CH 3 ) -C 2 H 5 , 0-CO-CH 2 -CH (CH 3 ) 2 or O-CO-C (CH 3 ) 3, preferably for O-CO-CH 3 or O-CO-C 2 H 5 ;
  • (C ⁇ -C 4 -haloalkyl) carbonyloxy for: a (C ⁇ -C 4 -alkyl) carbonyl radical - as mentioned above - which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example ⁇ -CO-CH 2 F, O-CO-CHF 2 , O-CO-CF 3 , 0-CO-CH 2 Cl, 0-CO-CH (Cl) 2 , 0-CO-C (Cl) 3 , chlorofluoromethylcarbonyloxy , Dichlorofluoromethylcarbonyloxy, chlorodifluoromethylcarbonyloxy, 2-fluoroethylcarbonyloxy, 2-chloroethylcarbonyloxy, 2-bromoethylcarbonyloxy, 2-iodoethylcarbonyloxy, 2,2-difluoroethylcarbonyloxy, 2, 2, 2-trifluoroethylcarbonyloxy,
  • CO-OCH 3 CO-OC 2 H 5 , n-propoxycarbonyl, CO-OCH (CH 3 ) 2 .
  • n-butoxycarbonyl CO-OCH (CH 3 ) -C 2 H5, CO-OCH 2 -CH (CH 3 ) 2 or CO-OC (CH 3 ) 3 , preferably for CO-OCH3 or CO-OC2H 5 ;
  • -C-C 4 alkylsulfinyl for: SO-CH 3 , SO-C2H5, SO-CH2-C2H5, SO-CH (CH 3 ) 2 , n-butylsulfinyl, SO-CH (CH 3 ) -C 2 H 5 , SO -CH-CH (CH 3 ) 2 or SO-C (CH 3 ) 3 , preferably for SO-CH 3 or SO-C 2 H 5 ;
  • N (CC 4 alkyl) amino for: N (CH 3 ) 2 , N (C 2 H 5 ) 2 , N, N-dipropylamino, N [CH (CH 3 ) 2 ) 2.
  • C 2 -C 6 alkenyl for: vinyl, prop-1-en-l-yl, allyl, 1-methylethenyl, 1-buten-l-yl, l-buten-2-yl, l-buten-3 -yl, 2-butene-1-yl, 1-methyl-prop-1-en-1-yl, 2-methyl-prop-1-en-1-yl, 1-methyl-prop-2-en-1 -yl, 2-methyl-prop-2-en-l-yl, n-penten-1-yl, n-penten-2-yl, n-penten-3-yl, n-penten-4-yl, 1 -Methyl-but-l-en-l-yl, 2-methyl-but-l-en-l-yl, 3-methyl-but-1-en-l-yl, l-methyl-but-2-ene -l-yl, 2-methyl-but-2-en-1-yl, 3-methyl-but-2-en-l-yl,
  • C 2 -C 6 haloalkenyl for: C 2 -C 6 alkenyl as mentioned above, which is partially or completely substituted by fluorine, chlorine and / or bromine, for example 2-chlorovinyl, 2-chloroallyl, 3-chloroallyl, 2 , 3-dichlorallyl, 3,3-dichloro-allyl, 2,3,3-trichlorallyl, 2,3-dichlorobut-2-enyl, 2-bromo-allyl, 3-bromoallyl, 2,3-dibromoallyl, 3,3 -Dibromallyl, 2, 3, 3-tribromallyl and 2, 3-dibromobut-2-enyl, preferably for C 3 - or C-haloalkenyl;
  • C 2 -C 6 alkynyl for: ethynyl and C3-C 6 alkynyl such as prop-1-in-l-yl, prop-2-in-l-yl, n-but-1-in-l-yl, n-but-l-in-3-yl, n-but-l-in-4-yl, n-but-2-in-l-yl, n-pent-1-in-l-yl, n- Pent-l-in-3-yl, n-pent-l-in-4-yl, n-pent-l-in-5-yl, n-pent-2-in-l-yl, n-pent 2-in-4-yl, n-pent-2-in-5-yl, 3-methyl-but-l-in-3-yl, 3-methyl-but-l-in-4-yl, n- Hex-1-in-l-yl, n-hex-l-in-3-yl,
  • C 2 -C 6 haloalkynyl for: C 2 -C 6 alkynyl as mentioned above, which is partially or completely substituted by fluorine, chlorine and / or bromine, for example 1,1-difluoroprop-2-yne-l -yl, 1, 1-difluorobut-2-in-l-yl, 4-fluorobut-2-in 1-yl, 4-chlorobut-2-in-1-yl, 5-fluoropent-3-in-1-yl or 6-fluorohex-4-in-1-yl, preferably C 3 - or C 4 -haloalkynyl;
  • C 3 -C 8 cycloalkyl for: cyclopropy1, cyclobuty1, cyclopentyl, cyclohexyl, cyclohepty1 or cyclooctyl;
  • C 3 -C ⁇ -Cycloalkyl which contains a carbonyl or thiocarbonyl ring member, for example for cyclobutanon-2-yl, cyclobutanon-3-yl, cyclopentanon-2-yl, cyclopentanon-3-yl, cyclohexanon-2-yl , Cyclohexanon-4-yl, Cycloheptanon-2-yl, Cyclooctanon-2-yl, Cyclobutanthion-2-yl, Cyclobutanthion-3-yl, Cyclopentanthion-2-yl, Cyclopentanthion-3-yl, Cyclohexanthion-2-yl , Cyclohexanthion-4-yl, Cycloheptanthion-2-yl or Cyclooctanethion-2-yl, preferably for Cyclopentanon-2-yl or Cyclohexanon-2-yl;
  • C 3 -C 8 cycloalkyl-C ⁇ -C 4 -alkyl for: cyclopropylmethyl, 1-cyclopropyl-ethyl, 2-cyclopropyl-ethyl, 1-cyclopropyl-prop-l-yl, 2-cyclopropyl-prop-l- yl, 3-cyclopropyl-prop-l-yl, 1-cyclopropyl-but-1-yl, 2-cyclopropyl-but-l-yl, 3-cyclopropyl-but-1-yl, 4-cyclopropyl-but- l-yl, l-cyclopropyl-but-2-yl, 2-cyclopropyl-but-2-yl, 3-cyclopropyl-but-2-yl, 3-cyclopropyl-but-2-yl, 4-cyclopropyl- but-2-yl, 1- (cyclopropy1-methyl) -eth-l-yl, 1- (cyclopropylmethyl) -1-
  • C 3 -C 8 cycloalkyl-C ⁇ -C 4 alkyl which contains a carbonyl or thiocarbonyl ring member, for example for cyclobutanon-2-ylmethyl, Cyc1obutanon-3-ylmethyl, cyclopentanon-2-ylmethyl, cyclopentanone -3-ylmethyl, cyclohexanon-2-ylmethyl, cyclohexanone-4-ylmethyl, cycloheptanon-2-ylmethyl, cyclooctanon-2-ylmethyl, cyclobutanthion-2-ylmethyl, cyclobutanthion-3-ylmethyl, cyclopentanthion-2-ylmethyl , Cyclopentanthion-3-ylmethyl, Cyclohexanthion-2-ylmethyl, Cyclohexanthion-4-ylmethyl, Cycloheptanthion-2-ylmethyl, Cyclooctanthion-2-ylmethyl, 1- (C
  • 3- to 7-membered heterocyclyl includes both saturated, partially or completely unsaturated and aromatic heterocycles having one to three heteroatoms, selected from a group consisting of one to three nitrogen atoms, one or two oxygen atoms and one or two sulfur atoms understand.
  • saturated heterocycles which can contain a carbonyl or thiocarbonyl ring member are:
  • unsaturated heterocycles which can contain a carbonyl or thiocarbonyl ring member are: dihydrofuran-2-yl, 1,2-oxazolin-3-yl, 1,2-oxazolin-5-yl, 1,3-oxazolin 2-yl.
  • the 5- and 6-membered ones are preferred, e.g. Furyl such as 2-furyl and 3-furyl, thienyl such as 2-thienyl and 3-thienyl, pyrrolyl such as 2-pyrrolyl and 3-pyrrolyl, isoxazolyl such as 3-isoxazolyl, 4-isoxazolyl and 5-isoxazolyl, isothiazolyl such as 3-isothiazolyl, 4-isothiazolyl and 5-isothiazolyl, pyrazolyl such as 3-pyrazolyl, 4-pyrazolyl and 5-pyrazolyl, oxazolyl such as 2-oxazolyl, 4-oxazolyl and 5-0xazolyl, thiazolyl such as 2-thiazolyl, 4-thiazolyl and 5-thiazolyl, Imidazolyl such as 2-imidazolyl and 4-imidazolyl, oxadiazolyl such as 1,2,4-o
  • R 1 is methyl, ethyl or C ⁇ -C 2 haloalkyl, especially methyl
  • R 2 is methyl, ethyl or C ⁇ -C 2 haloalkyl, especially methyl
  • R 3 is hydrogen or halogen, in particular halogen, particularly preferably chlorine;
  • R 4 is hydrogen, fluorine or chlorine, in particular fluorine or chlorine, particularly preferably fluorine;
  • X is a chemical bond or a methylene, ethene-l, 2-diyl or via the hetero atom to the phenyl ring bound oxy-methylene or thiaethylene chain, the chains being unsubstituted or a cyano, halogen, C ⁇ -C 4 alkyl or (C ⁇ -C 4 alkoxy) carbonyl substituents can carry, in particular a chemical bond or methylene;
  • -PO (0-YR 8) 2 in particular hydrogen, -OYR 8 , -N (YR 8 ) -S0 2 -ZR 9 , -SYR 8 or -CO-OYR 8 , particularly preferably hydrogen or -OYR 8 ;
  • R 7 is hydrogen
  • Y, Z independently of one another are a chemical bond or methylene
  • C 3 -C 8 cycloalkyl which may contain a carbonyl or thiocarbonyl ring member, phenyl or 3- to 7-membered heterocyclyl with one or two nitrogen atoms and / or an oxygen or sulfur atom as hetero atom and, if desired, a carbonyl or thiocarbonyl ring member, where each cycloalkyl, phenyl and heterocyclyl ring can be unsubstituted or carry one or two substituents, each selected from the group consisting of cyano, nitro, halogen, C ⁇ -C 4 alkyl, C ⁇ - C 4 alkoxy, C ⁇ -C 4 alkyl sulfonyl, (C ⁇ -C 4 alkyl) carbonyl, (C ⁇ -C 4 alkyl) carbonyloxy and (C ⁇ -C 4 alkoxy) carbonyl;
  • R 11 is hydrogen or C ⁇ -C 4 alkyl
  • R 12 is hydrogen
  • R 13 , R 14 independently of one another are hydrogen or C ⁇ -C 6 -alkyl
  • R 15 CC 6 alkyl are particularly preferred.
  • Ia.515 -CH C (Cl) -CO-NH- (nC 4 H 9 )
  • Ia.518 -CH C (Cl) -CO-N (CH 3 ) -CH 2 -CO-OCH 3
  • Ia.523 -CH C (Cl) -CO-NH-CH (CH 3 ) -CO-OCH 3
  • Ia.524 -CH C (Cl) -CO-N (CH 3 ) -CH (CH 3 ) -CO-OCH 3
  • Ia.525 -CH C (Cl) -CO-NH-CH (CH 3 ) -CO-OCH 5
  • Ia.526 -CH C (Cl) -CO-N (CH 3 ) -CH (CH 3 ) -CO-OC 2 H 5
  • Ia.528 -CH C (Cl) -CO- (piperidin-l-y1)
  • l-sulfonyl-3-phenylpyrazoles of the formulas Ib to Ii are particularly preferred, in particular
  • the l-sulfonyl-3-phenylpyrazoles of the formula I can be obtained in various ways, in particular by one of the following processes:
  • Suitable halogenating agents are, for example, fluorine, DAST (diethylsulfur trifluoride), chlorine, N-chlorosuccinimide, sulfuryl chloride, thionyl chloride, phosgene, phosphorus trichloride, phosphorus oxychloride, bromine, N-bromosuccinimide, phosphorus tribromide and phosphorus oxybromide.
  • an inert solvent / diluent e.g. in a hydrocarbon such as n-hexane and toluene, a halogenated hydrocarbon such as carbon tetrachloride and chloroform, an ether such as methyl tert-butyl ether, an alcohol such as methanol and ethanol, a carboxylic acid such as acetic acid or in an aprotic solvent such as acetonitrile.
  • the reaction temperature is normally between the melting point and the boiling point of the reaction mixture, preferably at 0 to 100 ° C.
  • the halogenating agent is used in about a molar amount or in excess, up to about five times the molar amount, based on the amount of starting compound.
  • L stands for a common leaving group such as halide or -0-S0 2 -R '.
  • the circle in the pyrazole ring represents two double bonds.
  • an inert solvent / thinning agent e.g. in a hydrocarbon such as n-hexane and toluene, a halogenated hydrocarbon such as carbon tetrachloride and chloroform, an ether such as methyl tert. -butyl ether or in a conventional aprotic solvent such as acetonitrile, dimethylformamide and dimethyl sulfoxide.
  • a hydrocarbon such as n-hexane and toluene
  • a halogenated hydrocarbon such as carbon tetrachloride and chloroform
  • an ether such as methyl tert. -butyl ether
  • a conventional aprotic solvent such as acetonitrile, dimethylformamide and dimethyl sulfoxide.
  • Both inorganic bases e.g. Alkali metal carbonates such as sodium and potassium carbonate, alkali metal hydroxides such as sodium and potassium hydroxide, alkaline earth metal hydroxides such as calcium hydroxide or alkali metal hydrides such as sodium hydride, as well as organic bases, e.g. Tertiary A ine such as triethylamine, Grignard or alkyl lithium compounds such as methyl magnesium chloride and butyllithium into consideration.
  • inorganic bases e.g. Alkali metal carbonates such as sodium and potassium carbonate, alkali metal hydroxides such as sodium and potassium hydroxide, alkaline earth metal hydroxides such as calcium hydroxide or alkali metal hydrides such as sodium hydride, as well as organic bases, e.g. Tertiary A ine such as triethylamine, Grignard or alkyl lithium compounds such as methyl magnesium chloride and butyllithium into consideration.
  • the reaction temperature is usually between the melting point and the boiling point of the reaction mixture, preferably from 0 to 100 ° C.
  • base and sulfonic acid derivative III are used in approximately equimolar amounts, based on the amount of II. However, in order to achieve a higher yield of product of value, it may also be advantageous to use base and / or III in excess, up to about five times the molar amount. based on the amount of II.
  • the phenylpyrazoles II are e.g. accessible by reaction of diketones V with hydrazine, hydrazine hydrate (for example an aqueous hydrazine solution), or with a salt of hydrazine such as hydrazine sulfate, in a manner known per se:
  • Hydrocarbon such as n-hexane and toluene, a halogenated hydrocarbon such as carbon tetrachloride and chloroform, an ether such as methyl tert. -butyl ether, an alcohol such as methanol and ethanol, a carboxylic acid such as acetic acid, or an aprotic solvent such as acetonitrile.
  • the reaction temperature is usually between the melting and boiling point of the reaction mixture, preferably at 0 to 100 ° C.
  • Suitable nitration reagents are, for example, nitric acid in different concentrations, also concentrated and fuming nitric acid, mixtures of sulfuric acid and nitric acid, acetyl nitrates and alkyl nitrates.
  • the reaction can be carried out either solvent-free in an excess of the nitrating reagent or in an inert solvent or diluent, e.g. Water, mineral acids, organic acids, halogenated hydrocarbons such as methylene chloride, anhydrides such as acetic anhydride and mixtures of these solvents are suitable.
  • an inert solvent or diluent e.g. Water, mineral acids, organic acids, halogenated hydrocarbons such as methylene chloride, anhydrides such as acetic anhydride and mixtures of these solvents are suitable.
  • Starting compound I ⁇ XR 6 H
  • nitrating reagent are expediently used in approximately equimolar amounts; However, in order to optimize the conversion of the starting compound, it may be advantageous to use the nitrating reagent in excess, up to about a 10-fold molar amount. When carrying out the reaction without a solvent in the nitrating reagent, this is present in an even greater excess.
  • the reaction temperature is normally (-100) to 200 ° C, preferably (-30) to 50 ° C.
  • the reductin can be carried out with a metal such as iron, zinc or tin under acidic reaction conditions or with a complex hydride such as lithium aluminum hydride and sodium borohydride, the solvent being - depending on ability of the chosen reducing agent - for example water, alcohols such as methanol, ethanol and isopropanol or ethers such as diethyl ether, methyl 1-tert-butyl ether, dioxane, tetrahydrofuran and ethylene glycol dimethyl ether.
  • a metal such as iron, zinc or tin under acidic reaction conditions or with a complex hydride such as lithium aluminum hydride and sodium borohydride
  • the solvent being - depending on ability of the chosen reducing agent - for example water, alcohols such as methanol, ethanol and isopropanol or ethers such as diethyl ether, methyl 1-tert-butyl ether, dioxane, tetrahydrofuran and
  • the process is preferably carried out in a solvent-free manner in an inorganic acid, in particular in concentrated or dilute hydrochloric acid, or in an organic acid such as acetic acid.
  • an inert solvent to the acid, e.g. to mix one of the above.
  • the amount of acid is not critical. In order to reduce the starting compound as completely as possible, it is expedient to use at least an equivalent amount of acid.
  • the reaction temperature is generally from (-30) to 200 ° C., preferably from 0 to 80 ° C.
  • reaction mixture is usually diluted with water and the product by filtration,
  • Suitable catalysts for this purpose are, for example, Raney nickel, palladium on carbon, palladium oxide, platinum and platinum oxide, a quantity of catalyst of 0.05 to 10.0 mol%, based on the compound to be reduced, generally being sufficient.
  • the procedure is either solvent-free or in an inert solvent or diluent, for example in acetic acid, a mixture of acetic acid and water, ethyl acetate, ethanol or in toluene.
  • reaction solution can be worked up to the product in the customary manner.
  • the hydrogenation can be carried out at normal pressure or under elevated pressure.
  • XR 6 cyano or halogen ⁇ for the Sandmeyer reaction cf. for example Houben-Weyl, Methods of Organic Chemistry, Georg Thieme Verlag Stuttgart, Vol. 5/4, 4th edition 1960, p. 438ff. ⁇ ,
  • a nitrite such as sodium nitrite and potassium nitrite.
  • a copper (I) salt such as copper (I) cyanide, chloride, bromide and iodide, or with an alkali metal salt solution.
  • an aqueous acid preferably sulfuric acid.
  • a copper (II) salt such as copper (II) sulfate can have an advantageous effect on the course of the reaction.
  • Meerwein arylation is usually the reaction of the diazonium salts with alkenes or alkynes.
  • the alkene or alkyne is preferably used in excess, up to about 3000 mol%, based on the amount of the diazonium salt.
  • the reactions of the diazonium salt described above can e.g. in water, in aqueous hydrochloric acid or hydrobromic acid, in a ketone such as acetone, diethyl ketone and methyl ethyl ketone, in a nitrile such as acetonitrile, in an ether such as dioxane and tetrahydrofuran or in an alcohol such as methanol and ethanol.
  • reaction temperatures are normally from (-30) to 50 ° C. All reactants are preferably used in approximately stoichiometric amounts, but an excess of one or the other component, up to approximately 3000 mol%, can also be advantageous.
  • Useful reducing agents are e.g. Transition metals such as iron, zinc and tin (see, for example, "The Chemistry of the Thiol Group", John Wiley, 1974, p. 216).
  • Halosulfonation can be carried out without solvent in excess sulfonating reagent or in an inert solvent / diluent, e.g. in a halogenated hydrocarbon, an ether, an alkyl nitrile or a mineral acid.
  • Chlorosulfonic acid is both the preferred reagent and solvent.
  • the reaction temperature is usually between 0 ° C and the boiling point of the reaction mixture.
  • the reaction mixture is mixed with water, for example, after which the product can be isolated as usual.
  • Suitable solvents are organic acids, inorganic acids, aliphatic or aromatic hydrocarbons, which can be halogenated, and ethers, sulfides, sulfoxides and sulfones.
  • halogenating agents are chlorine, bromine, N-bromosuccinimide, N-chlorosuccinimide or sulfuryl chloride.
  • a radical initiator for example an organic peroxide such as dibenzoyl peroxide or an azo compound such as azobisisobutyronitrile, or irradiation with light can have an advantageous effect on the course of the reaction.
  • the reaction temperature is normally from (-100) to 200 ° C, especially at 10 to 100 ° C or the boiling point of the reaction mixture.
  • the nucleophile used is either the corresponding alcohols, thiols, carboxylic acids or amines, in which case the reaction is preferably carried out in the presence of a base (for example an alkali metal or alkaline earth metal hydroxide or an alkali metal or alkaline earth metal carbonate), or the reaction is carried out by reacting the alcohols, thiols, carboxylic acids or Amines with a base (for example an alkali metal hydride) obtained alkali metal salts of these compounds.
  • a base for example an alkali metal or alkaline earth metal hydroxide or an alkali metal or alkaline earth metal carbonate
  • a base for example an alkali metal hydride
  • Aprotic organic solvents e.g. Tetrahydrofuran, dimethylformamide, dimethyl sulfoxide, or hydrocarbons such as toluene and n-hexane.
  • the reaction is carried out at a temperature between the melting point and the boiling point of the reaction mixture, preferably at 0 to 100 ° C.
  • the reaction temperature is usually 0 to 120 ° C.
  • Dimethyl sulfoxide for example, is suitable as a solvent.
  • the olefination is preferably carried out by the method of Wit ig or one of its modifications, phosphoryls, phosphonium salts and phosphonates being suitable as reactants, or by aldol condensation.
  • a phosphonium salt or a phosphonate it is advisable to work in the presence of a base, alkali metal alkyls such as n-butyllithium, alkali metal hydrides and alcoholates such as sodium hydride, sodium ethanolate and potassium tert-butoxide, and
  • Alkali metal and alkaline earth metal hydroxides such as calcium hydroxide are particularly suitable.
  • reaction temperature is (-40) to 150 ° C.
  • Phosphonates or phosphorylides are known or can be prepared in a manner known per se ⁇ cf. for this e.g. Houben-Weyl, Methods of Organic Chemistry, Vol. El, pp. 636ff. and Vol. E2, pp. 345ff., Georg Thieme Verlag Stuttgart 1982; Chem. Ber. £ 5_, 3993 (1962)).
  • I ⁇ XR 6 -CO-YR 8 ⁇
  • reaction mixtures are generally worked up in a manner known per se. Unless stated otherwise in the processes described above, the valuable products are obtained e.g. after dilution of the reaction solution with water by filtration, crystallization or solvent extraction, or by removing the solvent, distributing the residue in a mixture of water and a suitable organic solvent and working up the organic phase onto the product.
  • the l-sulfonyl-3-phenylpyrazoles I can be obtained in the preparation as isomer mixtures, which, however, can, if desired, be separated into the largely pure isomers by the customary methods such as crystallization or chromatography, including on an optically active adsorbate. Pure optically active isomers can advantageously be prepared from corresponding optically active starting products.
  • Agricultural salts of the compounds I can be formed by reaction with a base of the corresponding cation, preferably an alkali metal hydroxide or hydride, or by reaction with an acid of the corresponding anion, preferably hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid or nitric acid.
  • Salts of I, the metal ion of which is not an alkali metal ion can also be prepared in a customary manner by salting the corresponding alkali metal salt, as can ammonium, phosphonium, sulfonium and sulfoxonium salts using ammonia, phosphonium, sulfonium or sulfoxonium hydroxides.
  • the compounds I and their agriculturally useful salts are suitable - both as isomer mixtures and in the form of the pure isomers - as herbicides.
  • the herbicidal compositions containing I control vegetation very well on non-cultivated areas, particularly when high amounts are applied. In crops such as wheat, rice, maize, soybeans and cotton, they act against weeds and grass weeds without significantly damaging the crop plants. This effect occurs especially at low application rates.
  • the compounds I or herbicidal compositions comprising them can also be used in a further number of crop plants for eliminating undesired plants.
  • the following crops can be considered, for example:
  • the compounds I can also be used in crops which are tolerant to the action of herbicides by breeding, including genetic engineering methods.
  • the 1-sulfonyl-3-phenylpyrazoles I are also suitable for the desiccation and / or defoliation of plants.
  • desiccants are particularly suitable for drying out the above-ground parts of crops such as potatoes, rapeseed, sunflower and soybeans. This enables a fully mechanical harvesting of these important crops.
  • the compounds I or the herbicidal compositions comprising them can be sprayed, atomized, for example in the form of directly sprayable aqueous solutions, powders, suspensions, including high-strength aqueous, oily or other suspensions or dispersions, emulsions, oil dispersions, pastes, dusts, sprinkling agents or granules , Dusting, scattering or pouring.
  • directly sprayable aqueous solutions, powders, suspensions including high-strength aqueous, oily or other suspensions or dispersions, emulsions, oil dispersions, pastes, dusts, sprinkling agents or granules , Dusting, scattering or pouring.
  • the application forms depend on the purposes; in any case, they should ensure the finest possible distribution of the active compounds according to the invention.
  • mineral oil fractions of medium to high boiling point such as kerosene and diesel oil, furthermore coal tar oils and oils of vegetable or animal origin, aliphatic, cyclic and aromatic hydrocarbons, e.g. Paraffins, tetrahydronaphthalene, alkylated naphthalenes and their derivatives, alkylated benzenes and their derivatives, alcohols such as methanol, ethanol, propanol, butanol and cyclohexanol, ketones such as cyclohexanone, strongly polar solvents, e.g. Amines such as N-methylpyrrolidone and water.
  • mineral oil fractions of medium to high boiling point such as kerosene and diesel oil, furthermore coal tar oils and oils of vegetable or animal origin, aliphatic, cyclic and aromatic hydrocarbons, e.g. Paraffins, tetrahydronaphthalene, alkylated naphthalenes and their derivatives,
  • Aqueous use forms can be prepared from emulsion concentrates, suspensions, pastes, wettable powders or water-dispersible granules by adding water.
  • the substrates as such or dissolved in a oil or solvent, can be homogenized in water using wetting agents, adhesives, dispersants or emulsifiers.
  • wetting agents adhesives, dispersants or emulsifiers.
  • concentrates consisting of an active substance, wetting agent, tackifier, dispersant or emulsifier and possibly solvent or oil, which are suitable for dilution with water.
  • alkali, alkaline earth, ammonium salts of aromatic sulfonic acids e.g. Lignin, phenol, naphthalene and dibutylnaphthalenesulfonic acid, as well as of fatty acids, alkyl and alkylarylsulfonates, alkyl, lauryl ether and fatty alcohol sulfates, and salts of sulfated hexa-, hepta- and octadecanols as well as of fatty alcohol glycol ethers, condensation products of sulfonated naphthalene and its derivatives Formaldehyde, condensation products of naphthalene or naphthalenesulfonic acids with phenol and formaldehyde, polyoxyethylene octylphenol ether, ethoxylated isooctyl, octyl or nonylphenol, alkylphenyl, tributylphenyl poly
  • Powders, materials for broadcasting and dusts can be prepared by mixing or grinding the active substances together with a solid carrier.
  • Granules e.g. Coated granules, impregnation granules and homogeneous granules can be produced by binding the active ingredients to solid carriers.
  • Solid carriers are mineral soils such as silicas, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bolus, loess, clay, dolomite and diatomaceous earth, calcium and magnesium sulfate, magnesium oxide, ground plastics, fertilizers such as ammonium lfate, ammonium phosphate and ammonium nitrate, Urea and vegetable products such as flour, tree bark, wood and nutshell flour, cellulose powder or other solid carriers.
  • the concentrations of the active ingredients I in the ready-to-use preparations can be varied over a wide range.
  • the formulations contain about 0.001 to 98% by weight, preferably 0.01 to 95% by weight, of at least one active ingredient I.
  • the active ingredients are in a purity of 90% to 100%, preferably 95% to 100% (according to the NMR spectrum).
  • the following formulation examples illustrate the preparation of such preparations:
  • the active ingredients I or the herbicidal compositions can be applied pre- or post-emergence. If the active ingredients are less compatible with certain crop plants, application techniques can be used in which the herbicidal compositions are sprayed with the aid of sprayers in such a way that the leaves of the sensitive crop plants are not hit as far as possible, while the active ingredients are applied to the leaves of undesirable plants growing below them or the uncovered floor area (post-directed, lay-by).
  • the application rates of active ingredient I are 0.001 to 3.0, preferably 0.01 to 1.0 kg / ha of active substance (a.S.) depending on the control target, the season, the target plants and the growth stage.
  • the 1-sulfonyl-3-phenylpyrazoles I can be mixed with numerous representatives of other herbicidal or growth-regulating active compound groups and applied together become.
  • Precursor 5.5 4- (5-allyloxy-4-chloro-2-fluorophenyl) butane-2, -dione
  • Precursor 5.6 3 (5) - (5-allyloxy-4-chloro-2-fluorophenyl) -5 (3) methyl-1H-pyrazole 5 22.5 g (83 mmol) of 4 - (5-allyloxy-4-chloro-2-fluorophenyl) butane-2, -dione and 4.3 g (85 mmol) of hydrazine hydrate were reacted analogously to the process described in precursor 3.2 .
  • Example 7 4-chloro-3- (4-chloro-2-fluorophenyl) -5-methyl-1-methyl-sulfonyl-1H-pyrazole (No. Ie.001) Using 0.8 g (3.3 mmol) of 4-chloro-3 (5) - (4-chloro-2-fluoropheny1-5 (3) -methyl-1H-pyrazole, 83 mg (3.4 mmol) Sodium hydride and 0.37 g (3.3 mmol) of methanesulfonyl chloride were obtained analogously to the process described in Example 1, 0.4 g of the desired product of value;
  • Plastic flower pots with loamy sand with about 3.0% humus as substrate served as culture vessels.
  • the seeds of the test plants were sown separately according to species.
  • the active ingredients suspended or emulsified in water were applied directly after sowing using finely distributing nozzles.
  • the tubes were lightly sprinkled to promote germination and growth, and then covered with clear plastic hoods until the plants had grown. This cover causes the test plants to germinate evenly, provided that this has not been impaired by the active ingredients.
  • test plants For the purpose of post-emergence treatment, the test plants, depending on the growth habit, were first grown to a height of 3 to 15 cm and only then treated with the active ingredients suspended or emulsified in water. For this purpose, the test plants were either sown directly and grown in the same containers or they were first grown separately as seedlings and transplanted into the test containers a few days before the treatment.
  • the application rate for post-emergence treatment was 0.5 kg / ha aS (active substance).
  • the plants were kept at temperatures of 10 - 25 ° C or 20 - 35 ° C depending on the species. The trial period lasted 2 to 4 weeks. During this time, the plants were cared for and their response to the individual treatments was evaluated.
  • Evaluation was carried out on a scale from 0 to 100. 100 means no emergence of the plants or complete destruction of at least the aerial parts and 0 means no damage or normal growth.
  • the plants used in the greenhouse experiments are composed of the following types:
  • the young cotton plants were dripping wet with aqueous preparations of the active ingredients (with the addition of 0.15% by weight of the active ingredients).

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Abstract

L'invention concerne des 1-sulfonyl-3-phénylpyrazoles de formule (I) et leurs sels. Dans cette formule, R<1> est alkyle C1-C4, halogénure d'alkyle C1-C4; R<2> est alkyle C1-C4, halogénure d'alkyle C1-C4; R<3> est H, CN, halogène, alkyle C1-C4; R<4> est H, halogène; R<5> est H, CN, NO2, halogène, alkyle C1-C4, halogénure d'alkyle C1-C4, alcoxy C1-C4, halogénure d'alcoxy C1-C4; X représente une liaison chimique, une chaîne méthylène, éthylène, propan-1,3-diyle, éthèn-1,2-diyle éventuellement substituée ou bien une chaîne oxyméthylène ou thiaméthylène liée au cycle phénylique par l'hétéroatome; R<6> est H, NO2, CN, halogène, SO2-halogène, -O-Y-R<8>, -O-CO-Y-R<8>, -N(Y-R<8>)(Z-R<9>), -N(Y-R<8>)-SO2-Z-R<9>, -N(SO2-Y-R<8>)(SO2-Z-R<9>), -N(Y-R<8>)-CO-Z-R<9>, -N(Y-R<8>)(O-Z-R<9>), -S-Y-R<8>, -SO-Z-R<8>, -SO2-Y-R<8>, -SO2-O-Y-R<8>, -SO2-N(Y-R<8>)(Z-R<9>), -CO-Y-R<8>, -C(=NOR<10>)-Y-R<8>, -(=NOR<10>)-O-Y-R<8>, -CO-O-Y-R<8>, -CO-S-Y-R<8>, -CO-N(Y-R<8>)(Z-R<9>), -CO-N(Y-R<8>)(O-Z-R<9>), -PO(O-Y-R<8>)2; R<7> est H, ou bien R<5> + XR<6> ou XR<6> + R<7> forment, conjointement avec les atomes de C du cycle phénylique qui les relient, un noyau carbocyclique ou hétérocyclique pentagonal ou hexagonal annelé, éventuellement substitué, avec un 1-3 hétéroatomes, le cycle pouvant également contenir 1 ou 2 chaînons cycliques CO-Cs- ou SO2. Ces composés sont utiles comme herbicides, et pour le dessèchement/la défoliation de végétaux.
EP97942003A 1996-09-19 1997-09-09 1-sulfonyl-3-phenylpyrazoles et leur utilisation comme herbicides et pour le dessechement ou la defoliation de vegetaux Withdrawn EP0931072A1 (fr)

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US5281571A (en) * 1990-10-18 1994-01-25 Monsanto Company Herbicidal benzoxazinone- and benzothiazinone-substituted pyrazoles
FR2682379B1 (fr) * 1991-10-09 1994-02-11 Rhone Poulenc Agrochimie Nouveaux phenylpyrazoles fongicides.
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