WO2012168241A1 - Pyrazines substituées ayant une activité herbicide - Google Patents

Pyrazines substituées ayant une activité herbicide Download PDF

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WO2012168241A1
WO2012168241A1 PCT/EP2012/060600 EP2012060600W WO2012168241A1 WO 2012168241 A1 WO2012168241 A1 WO 2012168241A1 EP 2012060600 W EP2012060600 W EP 2012060600W WO 2012168241 A1 WO2012168241 A1 WO 2012168241A1
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alkyl
alkoxy
formula
group
haloalkyl
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PCT/EP2012/060600
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English (en)
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Matthias Witschel
Helmut Kraus
Johannes Hutzler
Trevor William Newton
Jens Lerchl
Klaus Kreuz
Klaus Grossmann
Richard Roger Evans
Rüdiger REINGRUBER
Liliana Parra Rapado
Gilbert Besong
Michael Rack
Andree Van Der Kloet
Thomas Seitz
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Basf Se
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D497/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having oxygen and sulfur atoms as the only ring hetero atoms
    • C07D497/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having oxygen and sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D497/04—Ortho-condensed systems
    • 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
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system

Definitions

  • the present invention relates to substituted pyrazines of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation.
  • WO 2009/063180 and WO 2010/02931 1 describe certain herbicidal pyridopyrazines.
  • WO 2010/130970 describes certain 6, 6-dioxo-6-thia-1 ,4-diaza-naphthalene derivatives having herbicidal activity.
  • WO 201 1/1 17151 describe certain substituted pyrazine derivatives having herbicidal activity.
  • substituted pyrazine compound of the formula I defined below, and by their N-oxides and also their agriculturally suitable salts.
  • the present invention provides a substituted pyrazine compound of formula I
  • R is 0-R A , S(0) n -R A or 0-S(0) n -R A ;
  • R A is hydrogen, Ci-C4-alkyl, Z-C3-C6-cycloalkyl, Ci-C4-haloalkyl, C2-C6-alkenyl,
  • R a is independently hydrogen, OH, Ci-Cs-alkyl, Ci-C4-haloalkyl, Z-C3-C6-cycloalkyl, C2-Cs-alkenyl, Z-Cs-Ce-cycloalkenyl, C2-C8- alkynyl, Z-Ci-C6-alkoxy, Z-Ci-C4-haloalkoxy, Z-C3-C8- alkenyloxy, Z-C3-Cs-alkynyloxy, NR'R", d-Ce-alkylsulfonyl, Z-(tri-Ci-C4-alkyl)silyl, Z-phenyl, Z-phenoxy, Z-phenylamino or a
  • 5- or 6-membered monocyclic or 9- or 10-membered bicyclic heterocycle which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S, where the cyclic groups are unsubstituted or substituted by 1 , 2, 3 or 4 groups R b ;
  • R', R" independently of one another are hydrogen, Ci-Cs-alkyl,
  • 10-membered bicyclic saturated, unsaturated or aromatic heterocycle which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S and which is attached via Z;
  • R' and R" together with the nitrogen atom to which they are attached may also form a 5- or 6-membered monocyclic or 9- or
  • 10-membered bicyclic heterocycle which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S;
  • R b independently of one another are Z-CN, Z-OH, Z-NO2,
  • Z is a covalent bond or Ci-C4-alkylene
  • n 0, 1 or 2;
  • R 1 is cyano, halogen, nitro, Ci-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, Ci-C6-haloalkyl, Z-Ci-C6-alkoxy, Z-Ci-C4-alkoxy-Ci-C4-alkoxy, Z-Ci-C 4 -alkylthio, Z-Ci-C 4 -alkylthio-Ci-C 4 -alkylthio, C 2 -C 6 - alkenyloxy, C2-C6-alkynyloxy, Ci-C6-haloalkoxy, C1-C4- haloalkoxy-Ci-C 4 -alkoxy, S(0) n R bb , Z-phenoxy or
  • heterocyclyl is a 5- or 6-membered monocyclic or 9- or 10-membered bicyclic saturated, partially unsaturated or aromatic heterocycle which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S, where cyclic groups are unsubstituted or partially or fully substituted by R b ;
  • A is N or C-R 2 ;
  • R 2 ,R 3 ,R 4 ,R 5 independently of one another are hydrogen, Z-halogen, Z-CN, Z-OH, Z-N0 2 , d-Cs-alkyl, Ci-C 4 -haloalkyl, C 2 -C 8 -alkenyl, C 2 -C 8 - alkynyl, C2-C8-haloalkenyl, C2-C8-haloalkynyl, Z-d-Cs-alkoxy,
  • Z-Ci-Cs-haloalkoxy, Z-Ci-C 4 -alkoxy-Ci-C 4 -alkoxy, Z-Ci-C 4 -alkythio, Z-Ci-C 4 -alkylthio-Ci-C 4 -alkylthio, Z-Ci-C 6 -haloalkylthio, C 2 -C 6 - alkenyloxy, C2-C6-alkynyloxy, Ci-C6-haloalkoxy, C1-C4- haloalkoxy-Ci-C 4 -alkoxy, Z-C3-Cio-cycloalkyl, 0-Z-C3-Cio-cycloalkyl, Z-C( 0)-R a , NR'R", Z-(tri-Ci-C 4 -alkyl)silyl, S(0) n R bb , Z-phenyl,
  • heterocyclyl is a 5- or 6-membered monocyclic or 9- or 10-membered bicyclic saturated, partially unsaturated or aromatic heterocycle which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S, where cyclic groups are unsubstituted or partially or fully substituted by R ;
  • R 2 together with the group attached to the adjacent carbon atom may also form a 5- to 10-membered saturated or partially or fully unsaturated mono- or bicyclic ring which, in addition to carbon atoms, may contain 1 , 2 or 3 heteroatoms selected from the group consisting of O, N and S and may be substituted by further groups R b ;
  • Z 1 is a covalent bond, Ci-C 4 -alkyleneoxy, Ci-C 4 -oxyalkylene or Ci-C 4 -alkyleneoxy-Ci-C 4 -alkylene;
  • R 6 ,R 7 independently of one another are hydrogen, halogen or Ci-C 4 -alkyl; where in the groups R A , and R 1 , R 2 , R 3 , R 4 and R 5 and their subsubstituents, the carbon chains and/or the cyclic groups may be partially or fully substituted by groups R b , or an N-oxide or an agriculturally suitable salt thereof.
  • the present invention also provides herbicidally active compositions comprising at least one substituted pyrazine compound of formula I and at least one further compound selected from herbicidal active compounds B and safeners C.
  • the present invention also provides the use of a substituted pyrazine compound of the general formula I as herbicides, i.e. for controlling harmful plants.
  • the present invention also provides compositions comprising at least one substituted pyrazine compound of the formula I and auxiliaries customary for formulating crop protection agents.
  • the present invention furthermore provides a method for controlling unwanted vegetation where a herbicidal effective amount of at least one substituted pyrazine compound of the formula I is allowed to act on plants, their seeds and/or their habitat.
  • Application can be done before, during and/or after, preferably during and/or after, the emergence of the undesirable plants.
  • the invention relates to processes and intermediates for preparing substituted pyrazine compounds of the formula I.
  • the compounds of formula I as described herein have one or more centers of chirality and, as a consequence, are present as enantiomers or diastereomers, it is possible to use both, the pure enantiomers and diastereomers and their mixtures, in the compositions according to the invention.
  • the compounds of formula I as described herein have ionizable functional groups, they can also be employed in the form of their agriculturally acceptable salts. Suitable are, in general, the salts of those cations and the acid addition salts of those acids whose cations and anions, respectively, have no adverse effect on the activity of the active compounds.
  • Preferred cations are the ions of the alkali metals, preferably of lithium, sodium and potassium, of the alkaline earth metals, preferably of calcium and magnesium, and of the transition metals, preferably of manganese, copper, zinc and iron, further ammonium and substituted ammonium in which one to four hydrogen atoms are replaced by Ci-C4-alkyl, hydroxy-Ci-C4-alkyl, Ci-C4-alkoxy-Ci-C4-alkyl, hydroxy-Ci-C4-alkoxy-Ci-C4- alkyl, phenyl or benzyl, preferably ammonium, methylammonium, isopropylammonium, dimethylammonium, diisopropylammonium, trimethylammonium, tetramethylammo- nium, tetraethylammonium, tetrabutylammonium, 2-hydroxyethylammonium, 2-(2- hydroxyeth
  • Anions of useful acid addition salts are primarily chloride, bromide, fluoride, iodide, hy- drogensulfate, methylsulfate, sulfate, dihydrogenphosphate, hydrogenphosphate, nitrate, bicarbonate, carbonate, hexafluorosilicate, hexafluorophosphate, benzoate and also the anions of Ci-C4-alkanoic acids, preferably formate, acetate, propionate and butyrate.
  • Compounds of formula I as described herein having a carboxyl group can be employed in the form of the acid, in the form of an agriculturally suitable salt or else in the form of an agriculturally acceptable derivative, for example as amides, such as mono- and di- Ci-C6-alkylamides or arylamides, as esters, for example as allyl esters, propargyl esters, Ci-Cio-alkyl esters, alkoxyalkyl esters and also as thioesters, for example as Ci- Cio-alkylthio esters.
  • amides such as mono- and di- Ci-C6-alkylamides or arylamides
  • esters for example as allyl esters, propargyl esters, Ci-Cio-alkyl esters, alkoxyalkyl esters and also as thioesters, for example as Ci- Cio-alkylthio esters.
  • Preferred arylamides are, for example, the anilides and the 2- chloroanilides.
  • Preferred alkyl esters are, for example, the methyl, ethyl, propyl, isopro- pyl, butyl, isobutyl, pentyl, mexyl (1 -methylhexyl) or isooctyl (2-ethylhexyl) esters.
  • Preferred Ci-C4-alkoxy-Ci-C4-alkyl esters are the straight-chain or branched Ci-C4-alkoxy ethyl esters, for example the methoxyethyl, ethoxyethyl or butoxyethyl ester.
  • An example of a straight-chain or branched Ci-Cio-alkylthio ester is the ethylthio ester.
  • Ci-C2-alkyl and also the Ci-C2-alkyl moieties of Ci-C2-alkoxy-Ci-C2-alkyl include CHs and C 2 H 5 ;
  • Ci-C4-alkyl Ci-C4-alkyl as mentioned above, and also, for example, n-pentyl, 1 -methylbutyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, 1 ,1 -dimethylpropyl, 1 ,2-dimethylpropyl, and 1 -ethylpropyl;
  • Ci-Cs-alkyl Ci-C6-alkyl as mentioned above, and also, for example, n-heptyl, n- octyl or 2-ethylhexyl;
  • Ci-C4-haloalkyl a Ci-C4-alkyl radical as mentioned above which is partially or fully substituted by fluorine, chlorine, bromine and/or iodine, for example, chloromethyl, dichloromethyl, trichloromethyl, fluoromethyl, difluoromethyl, trifluoromethyl, chloro- fluoromethyl, dichlorofluoromethyl, chlorodifluoromethyl, bromomethyl, iodomethyl, 2- fluoroethyl, 2-chloroethyl, 2-bromoethyl, 2-iodoethyl, 2,2-difluoroethyl, 2,2,2- trifluoroethyl, 2-chloro-2-fluoroethyl, 2-chloro-2,2-difluoroethyl, 2,2-dichloro-
  • Ci-C5-haloalkyl Ci-C4-haloalkyl as mentioned above, and also, for example, 5-fluoropentyl, 5-chloropentyl, 5-bromopentyl, 5-iodopentyl and undecafluoropentyl;
  • Ci-C6-haloalkyl Ci-Cs-haloalkyl as mentioned above, and also, for example, 6-fluorohexyl, 6-chlorohexyl, 6-bromohexyl, 6-iodohexyl and dodecafluorohexyl;
  • C 2 -C5-alkenyl for example ethenyl, 1 -propenyl, 2-propenyl, 1 -methylethenyl, 1 - butenyl, 2-butenyl, 3-butenyl, 1 -methyl-1 -propenyl, 2-methyl-1 -propenyl, 1 -methyl-2- propenyl, 2-methyl-2-propenyl, 1 -pentenyl, 2-pentenyl, 3-pentenyl, 4-pentenyl, 1 - methyl-1 -butenyl, 2-methyl-1 -butenyl, 3-methyl-1 -butenyl, 1 -methyl-2-butenyl, 2-methyl- 2-butenyl, 3-methyl-2-butenyl, 1 -methyl-3-butenyl, 2-methyl-3-butenyl, 3-methyl-3-butenyl, 1 ,1 -dimethyl-2-propenyl, 1 ,2-dimethyl-1 -propenyl,
  • C2-C8-alkenyl C2-C6-alkenyl as mentioned above, and also, for example 1 - heptenyl, 2-heptenyl, 3-heptenyl, 1 -octenyl, 2-octenyl, 3-octenyl and 4-octenyl.
  • C2-C6-haloalkenyl a C2-C6-alkenyl radical as mentioned above which is partially or fully substituted by fluorine, chlorine, bromine and/or iodine, for example 2- dibromoethenyl, 2-fluoro-2-bromoethenyl, 2-chloroprop-2-en-1 -yl, 3-chloroprop-2-en-1 - yl, 2,3-dichloroprop-2-en-1 -yl, 3,3-dichloroprop-2-en-1 -yl, 2,3,3-trichloro-2-en-1 -yl, 2,3- dichlorobut-2-en-1 -yl, 2-bromoprop-2-en-1 -yl, 3-bromoprop-2-en-1 -yl, 2,3-dibromoprop- 2-en-1 -yl, 3,3-dibromoprop-2-en-1 -yl, 2,3,3-tribromo-2-en-1
  • C3-C6-haloalkenyl C2-C6-haloalkenyl as mentioned above with the exception of C2-haloalkenyl radicals;
  • C2-C8-haloalkenyl C2-C6-haloalkenyl as mentioned above, and also, for example, 3-fluoro-n-heptenyl-1 , 1 ,3,3,-trichloro-n-heptenyl-5 and 1 ,3,5-trichloro-n-octenyl-6;
  • C2-C5-alkynyl for example ethynyl, 1 -propynyl, 2-propynyl, 1 -butynyl, 2-butynyl,
  • C2-C8-alkynyl C2-C6-alkynyl as mentioned above, and also, for example, 1 - heptynyl, 2-heptynyl,1 -octynyl and 2-octynyl;
  • C3-Cs-alkynyl and also the alkynyl moieties of Z-Cs-Cs-alkynyloxy a C2-C8- alkynyl radical as mentioned above with the exception of C2-alkynyl radicals;
  • C2-C6-haloalkynyl a C2-C6-alkynyl radical as mentioned above which is partially or fully substituted by fluorine, chlorine, bromine and/or iodine, for example
  • C3-C6-haloalkynyl a C2-C6-haloalkynyl as mentioned above with the exception of C2-haloalkynyl radicals;
  • C2-C8-haloalkynyl C2-C6-haloalkynyl as mentioned above, and also, for example, 1 -chloro-2-heptynyl and 1 -chloro-2-octynyl;
  • OCH 2 F OCH F 2 , OCF 3 ,
  • Ci-C4-haloalkoxy is additionally, for exam- pie, 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, OCH2-C2F5, OCF2-C2F5, 1 -(CH 2 F)-2-fluoroethoxy, 1 -(CH 2 CI)-2-chloroethoxy, 1 -(CH 2 Br)-2-bromoethoxy, 4-fluorobutoxy, 4-chlorobutoxy, 4-bromobutoxy or nonafluorobutoxy;
  • Ci-C6-haloalkoxy Ci-C4-haloalkoxy as mentioned above, and also, for example, 5-fluoropentoxy, 5-chloropentoxy, 5-brompentoxy, 5-iodopentoxy, undecafluoropen- toxy, 6-fluorohexoxy, 6-chlorohexoxy, 6-bromohexoxy, 6-iodohexoxy or dodecafluoro- hexoxy;
  • Ci-C6-haloalkoxy as mentioned above, and also, for example, 7-fluoroheptoxy, 7- chloroheptoxy, 7-bromoheptoxy, 7-iodoheptoxy, perfluoroheptoxy, 8-fluorooctoxy, 8- chlorooctoxy, 8-bromooctoxy, 8-iodooctoxy and octadecafluorooctoxy;
  • Ci-C4-alkylthio also the Ci-C4-alkylthio moieties of Z-Ci-C4-alkylthio, Z-C1-C4- alkylthio-Ci-C4-alkylthio: for example methylthio, ethylthio, propylthio, 1- methylethylthio, butylthio, 1-methylpropylthio, 2-methylpropylthio and 1 ,1- dimethylethylthio;
  • Ci-C 4 -haloalkylthio for example SCH 2 F, SCHF 2 , SCF 3 , SCH 2 CI, SCHC , SCCI 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 or SC2F5.
  • chlorofluoromethylthio dichlorofluoromethylthio, chlorodifluoromethylthio, 2- fluoro
  • C1-C4- haloalkylthio is additionally, for example, 2-fluoropropylthio, 3-fluoropropylthio, 2,2- difluoropropylthio, 2,3-difluoropropylthio, 2-chloropropylthio, 3-chloropropylthio, 2,3- dichloropropylthio, 2-bromopropylthio, 3-bromopropylthio, 3,3,3-trifluoropropylthio,
  • a 3- to 7-membered monocyclic or 9- or 10-membered bicyclic saturated, unsatu- rated or aromatic heterocycle which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S means, for example, pyridazin-3-yl, pyridazin-4-yl, py- rimidin-2-yl, pyrimidin-4-yl, pyrimidin-5-yl, pyrazin-2-yl, 2-furyl, 3-furyl, 2-thienyl, 3- thienyl, pyrazol-1 -yl, pyrazol-3-yl, pyrazol-4-yl, isoxazol-3-yl, isoxazol-4-yl, isoxa- zol-5-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, imidazol-1 -yl, imidazol-2
  • a 5- or 6-membered monocyclic or 9- or 10-membered bicyclic heterocycle which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S means, for example: pyridazin-3-yl, pyridazin-4-yl, pyrimidin-2-yl, pyrimidin-4-yl, pyrim- idin-5-yl, pyrazin-2-yl, 2-furyl, 3-furyl, 2-thienyl, 3-thienyl, pyrazol-1 -yl, pyrazol-3-yl, py- razol-4-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, isothiazol-3-yl, isothiazol-4-yl, iso- thiazol-5-yl, imidazol-1 -yl, imidazol-2-yl, imidazol-4
  • a 5- to 10-membered saturated or partially or fully unsaturated mono- or bicyclic ring which, in addition to carbon atoms, may contain 1 , 2 or 3 heteroatoms selected from the group consisting of O, N and S means, for example: pyridazin-3-yl, pyridazin-
  • R is 0-R A , in which R A is H, Cs-Cs-alkenyl, C 3 -C8-haloalkenyl, C 3 -C8-alkynyl, C 3 -C8-haloalkynyl,
  • d-Ce-alkylcarbonyl such as C(0)CH 3 , C(0)CH 2 CH 3 , C(0)CH(CH 3 ) 2 or C(0)C(CH 3 ) 3 ;
  • Ci-C6-cycloalkylcarbonyl such as cyclopropylcarbonyl, cyclopentylcarbonyl or cyclo- hexylcarbonyl;
  • R A is H, C 3 -C 4 -alkenyl, C 3 -C 4 -alkynyl or Ci-C6-alkylcarbonyl.
  • R is OS(0) n -R A where n is preferably 0 or 2, in particular 2, such as, for example, OS(0) 2 -CH 3 , OS(0) 2 -C 2 H 5 , OS(0) 2 -C 3 H 7 , OS(0) 2 -C 6 H 5 or OS(0) 2 -(4-CH 3 -C 6 H 4 ).
  • R is 0-S(0) n -NR'R ii , in particular with the groups NR'R" mentioned below as preferred.
  • group NR'R" are N(di-Ci-C 4 -alkyl), in particular N(CH 3 )-Ci-C 4 -alkyl, such as N(CH 3 ) 2 , N(CH 3 )CH 2 CH 3 , N(CH 3 )C 3 H 7 and N(CH 3 )CH(CH 3 ) 2 .
  • NR'R" are NH-aryl, where aryl is preferably phenyl which is substituted - in particular in the 2- and 6-position - by one to three iden- tical or different groups from the group consisting of halogen, CH 3 , halo-Ci-C 2 -alkyl, halo-Ci-C 2 -alkoxy and carboxyl, such as 2-CI,6-COOH-C 6 H 3 , 2,6-CI 2 -C 6 H 3 , 2,6-F 2 - C 6 H 3 , 2,6-CI 2 3-C 6 H 2 , 2-CF 3 ,6-CH 2 CHF 2 -C 6 H 3 , 2-CF 3 ,6-OCF 3 -C 6 H 3 and 2-CF 3 ,6-
  • R A is a 5- or 6-membered heterocy- cle optionally substituted by R b as defined above, which preferably has either 1 , 2, 3 or 4 N or 1 O or 1 S atom and if appropriate 1 or 2 N atoms as ring members and which is unsubstituted or may have 1 or 2 substituents selected from R b .
  • Heteroaromatic groups pyridazin-3-yl, pyridazin-4-yl, pyrimidin-2-yl, pyrimidin-4-yl, pyrimidin-5-yl, pyrazin-2-yl, 2-furyl, 3-furyl, 2-thienyl, 3-thienyl, pyrazol-1 -yl, pyrazol-3- yl, pyrazol-4-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, imidazol-1 -yl, imidazol-2-yl, imidazol-4-yl, oxazol-2-yl, oxazol-4-yl, oxa- zol-5-yl, thiazol-2-yl, thiazol-4-yl and
  • R A is a heteroaromatic group attached via carbon, such as pyrazol- 3-yl, imidazol-5-yl, oxazol-2-yl, thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, pyridin-2-yl, pyridin-
  • R b are in this case in particular F, CI, CN, N0 2 , CH 3 , C 2 H 5 , OCH 3 , OC 2 H 5 , OCHF 2 , OCF 3 and CF 3 .
  • Groups R a preferred for the compounds of the formula I are selected from the group consisting of OH, Ci-Cs-alkyl, Ci-C4-haloalkyl, C 3 -Cs-alkenyl, C 3 -Cs-alkynyl, Z-C1-C6- alkoxy, Z-Ci-C4-haloalkoxy, Z-C 3 -C8-alkenyloxy, Z-C 3 -C8-alkynyloxy and NR'R".
  • Two groups R b together may form a ring which preferably has three to seven ring members and, in addition to carbon atoms, may also contain heteroatoms from the group consisting of O, N and S and which may be unsubstituted or substituted by further groups R b .
  • These substituents R b are preferably selected from the group consisting of halogen, Ci-C4-alkyl, Ci-C4-alkoxy and Ci-C4-haloalkyl.
  • Groups R a and R b are selected independently of one another if a plurality of such groups is present.
  • R 1 is cyano, halogen, nitro, Ci-C6-alkyl, C 2 -C6-alkenyl, C 2 -C6-alkynyl, Ci-C6-haloalkyl, Z-Ci-C6-alkoxy, Z-Ci-C4-alkoxy-Ci-C4-alkoxy, Z-Ci-C4-alkythio, Z-Ci-C4-alkylthio-Ci-C4-alkylthio, C 2 -C6-alkenyloxy, C 2 -C6-alkynyloxy, Ci-C6-haloalkoxy, Ci-C4-haloalkoxy-Ci-C4-alkoxy, S(0) n R bb , Z-phenoxy, Z-heterocyclyloxy, where heterocyclyl is a 5- or 6-membered monocyclic or 9- or 10-membered bi
  • R 1 is halogen, CN, N0 2 , Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy-Ci-C 4 -alkyl, Ci-C 4 -alkoxy-Ci- C 4 -alkoxy-Ci-C 4 -alkyl, Ci-C 4 -alkylthio-Ci-C 4 -alkyl, Ci-C 4 -alkylthio-Ci-C4-alkylthio-Ci-C 4 - alkyl, Ci-C4-alkoxy, Ci-C4-haloalkoxy, C 3 -C4-alkenyloxy, C 3 -C4-alkynyloxy,
  • Ci-C4-alkoxy-Ci-C4-alkoxy Ci-C4-haloalkoxy-Ci-C4-alkoxy, S(0) n -Ci-C4-alkyl and
  • R 1 is selected from the group consisting of F, CI, Br, N0 2 , CH 3 , CF 3 , OCH 3 , OCF 3 , SCF 3 , SO2CH3, OCH 2 CH 2 OCH 3 ,
  • A is C-R 2 .
  • variables have the meanings defined at the outset and preferably the meanings mentioned as preferred.
  • R 1 is halogen, Ci-C4-alkyl, Ci-C4-haloalkyl, Ci-C4-alkoxy-Ci-C4-alkyl, Ci-C4-alkoxy- Ci-C4-alkoxy-Ci-C4-alkyl, Ci-C4-alkoxy, Ci-C4-haloalkoxy, Ci-C4-alkylthio, Ci-C4-haloalkylthio or Ci-C4-alkylsulfonyl, in particular F, CI, Br, NO2, CH 3 , CF 3 , OCH3, OCF3, OCHF2, SCF 3 , SCHF 2 , SO2CH3, CH2OCH2CH2OCH3;
  • R 3 is H, halogen, CN, N0 2 , Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy,
  • Ci-C 4 -alkylthio, Ci-C 4 -alkylsulfonyl in particular H, F, CI, Br, CN, N0 2 , CH 3 ,
  • R 4 , R 5 are H.
  • R 2 is Z 1 -heterocyclyl where heterocyclyl is a 5- or 6-membered monocyclic or 9- or 10-membered bicyclic, saturated, partially unsaturated or aromatic heterocycle which contains 1 , 2, 3 or 4 het- eroatoms selected from the group consisting of O, N and S, cyclic groups being unsub- stituted or partially or fully substituted by R b .
  • R 2 is in this case preferably a 3- to 7-membered monocyclic or 9- or 10-membered bicyclic saturated, partially unsaturated or aromatic heterocycle which is attached via Z 1 and contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S, where the cyclic groups are unsubstituted or partially or fully substituted by groups
  • R 2 is a 3- to 7- membered monocyclic or 9- or 10-membered bicyclic saturated, partially unsaturated or aromatic heterocycle which is attached directly or via Ci-C4-alkyleneoxy, C1-C4- oxyalkylene or Ci-C4-alkyleneoxy-Ci-C4-alkylene, which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S and which may be substituted as defined at the outset.
  • a preferred aspect of group R 2 relates to five- or six-membered saturated or partially unsatured heterocycles, such as, for example, isoxazoline, tetrazolone, 1 ,2-dihydro- tetrazolone, 1 ,4-dihydrotetrazolone, tetrahydrofuran, dioxolane, piperidine, morpholine and piperazine.
  • isoxazoline tetrazolone
  • 1 ,2-dihydro- tetrazolone 1 ,4-dihydrotetrazolone
  • tetrahydrofuran dioxolane
  • piperidine morpholine and piperazine.
  • 3-isoxazoline 5-isoxazoline
  • 4,5-dihydroisoxazole-3 unsubstituted or substituted by 5-CH3, 5-CH2F or 5-CHF2
  • 4,5-dihydroisoxazole-5 unsubstituted or substituted by 3-CH 3 , 3-OCH 3 , 3-CH 2 OCH 3 , 3-CH2SCH3
  • a further preferred aspect of group R 2 relates to five- or six-membered aromatic het- erocycles, such as, for example, isoxazole, pyrazole, thiazole, furyl, pyridine, pyrimidine and pyrazine. Particular preference is given to 3-isoxazole, 5-isoxazole,
  • the groups R b independently of one another are preferably Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy, Ci-C 4 -alkoxy-Ci-C 4 - alkyl, Ci-C 4 -alkylthio-Ci-C 4 -alkyl, Ci-C 4 -alkylthio or Ci-C 4 -alkylsulfonyl.
  • Especially preferred are CH 3 , C 2 H 5 , CH 2 F, CF 2 H, CF 3 , OCH 3 , CH 2 OCH 3 , CH 2 SCH 3 , SCH 3 and S0 2 CH 3 .
  • the group R bb is preferably Ci-C 8 -alkyl.
  • the group Z 1 is a covalent bond.
  • the group Z 1 is Ci-C 4 -alkyleneoxy, in particular OCH2 or In a further preferred aspect, the group Z 1 is Ci-C 4 -oxyalkylene, in particular CH2O or
  • the group Z 1 is Ci-C 4 -alkyleneoxy-Ci-C 4 -alkylene, in particular OCH2OCH2 or OCH2CH2OCH2.
  • heterocycles attached via Z 1 include tetrahydrofuran- 2-ylmethoxymethyl and [1 ,3]dioxolan-2-ylmethoxy.
  • R 2 is phenyl which is attached via Z 1 or oxygen and is unsubstituted or substituted by Ci-C 4 -alkyl, Ci-C 4 -alkoxy, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy-Ci-C 4 -alkyl or Ci-C 4 -alkoxy-Ci-C 4 -alkoxy.
  • a phenyl group which may be partially or fully substituted - preferably mono-, di- or trisubstituted, in particular monosubstituted - by groups R b .
  • Groups R b preferred for this aspect include: Ci-C2-alkyl, Ci-C 4 -alkoxy, Ci-C2-haloalkyl, Ci-C2-alkoxy-Ci-C2-alkyl or Ci-C2-alkoxy-Ci-C2-alkoxy. Particular preference is given to CH 3 , C 2 H 5 , OCH 3 , OC 2 H 5 , CHF 2 , CF 3 , OCHF 2 , OCF 3 , OCH 2 OCH 3 and OCH2CH20CH 3 . Special preference is given to alkoxy, such as OCH 3 or OC2H5.
  • a group R b is preferably in position 4.
  • a particularly preferred phenyl group R 2 is a group
  • R 2 is an ali- phatic group selected from the group consisting of Ci-C6-alkyl, Ci-C4-alkoxy-Ci-C4- alkyl, Ci-C4-haloalkoxy-Ci-C4-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C2-C4-alkoxy,
  • Ci-C4-haloalkoxy C 3 -C6-alkenyloxy, C 3 -C6-alkynyloxy, C 3 -C6-haloalkenyloxy,
  • Particularly preferred aliphatic groups R 2 include C2-C4-alkenyl, C2-C4-alkynyl,
  • Ci-C2-haloalkoxy-Ci-C2-alkyl C 3 -C4-alkenyloxy, C 3 -C4-alkynyloxy, Ci-C4-alkylsulfonyl, Ci-C4-alkoxy, Ci-C4-alkoxycarbonyl and S(0)2-Ci-C4-alkyl.
  • R 2 together with the group attached to the adjacent carbon atom forms a five- to ten-membered saturated, partially or fully unsaturated mono- or bicyclic ring which, in addition to carbon atoms, may contain 1 , 2 or 3 heteroatoms selected from the group consisting of O, N and S and which may be substituted by fur- ther groups R b .
  • R 2 together with R 1 or R 3 forms a five- to ten- membered mono- or bicyclic, saturated or partially unsaturated ring which contains 1 , 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S and which may be partially or fully substituted by groups R b .
  • R b a nine- to fifteen-membered bi- or tricyclic, optionally heterocyclic, ring system results.
  • Suitable are, for example, the following: 2,3-dihydrobenzo- [b]thiophene 1 ,1 -dioxide, thiochroman 1 ,1 -dioxide, 2,3-dihydrobenzo[1 ,4]dithiin 1 ,1 ,4,4- tetraoxide, 3H-benzothiazol-2-one, quinoline and saccharin.
  • R 2 together with R 1 or R 3 forms a five- or six-membered monocyclic, saturated or partially unsaturated ring.
  • Preferred bicyclic ring systems comprising the phenyl group attached to the dioxodihy- drothiatriazanaphthalene skeleton and R 1 and R 2 are, for example, roups A to D:
  • # denotes the bond to the skeleton.
  • Preferred bi- and tricyclic ring systems comprising the phenyl group attached to the dioxodihydrothiatriazanaphthalene skeleton and R 2 and R 3 contain one or two sulfur atoms and optionally one nitrogen atom.
  • R b is preferably halogen, Ci-C4-alkyl, Ci-C4-alkoxy or C1-C4- haloalkyl.
  • R 3A , R 3B , R 3C and R 3D are preferably halogen, Ci-C 4 -alkyl, Ci-C 4 -haloalkyl,
  • Ci-C 4 -alkoxy in particular F, CI, Br, CH 3 , CF 3 or OCH 3 .
  • R bE1 , R bE2 are preferably H, Ci-C 4 -alkyl or Ci-C 4 -alkoxy, in particular R E1 is H or CH 3 ;
  • R bE2 is H, CH 3 or OCH 3 .
  • R bJ1 is preferably Ci-C4-haloalkoxy, in particular OCH2CH2F.
  • R J2 is preferably Ci-C 4 -alkoxy, in particular OCH 3 or OCH 2 CH 3 .
  • R bL is preferably Ci-C 4 -Alkyl or C 3 -C 4 -Alkenyl, in particular CH 3 , CH 2 CH 3 ,
  • CH2CH2CH3, CH(CH 3 ) 2 or CH 2 CH CH 2 .
  • R 3 is hydrogen, cyano, halogen, nitro, Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci-C 4 - alkoxy, Ci-C 4 -haloalkoxy, C2-C 4 -alkenyl, C2-C 4 -alkynyl, C2-C 4 -alkenyloxy, C2-C 4 -alky- nyloxy or S(0) n R bb .
  • R 3 is hydrogen, halogen, CN, NO2, Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci- C 4 -alkoxy, Ci-C 4 -haloalkoxy, S(0) n -Ci-C 4 -alkyl and S(0) n -Ci-C 4 -haloalkyl, where n is preferably 0 or 2.
  • R 3 is selected from the group consisting of H, F, CI, Br, CN, N0 2 , CH 3 , CF 3 , CHF 2 , OCH 3 , OCF 3 , OCHF 2 , SCH 3 , SCF 3 , SCHF 2 , S0 2 CH 3 , S0 2 CH 2 CH 3 .
  • the groups R 1 , R 2 , R 3 , R 4 and R 5 together form the following substitution patterns: 2-Br, 2-CI, 2,4-CI 2 , 2-CI-4-F, 2-CI-5-F, 2-CI-6-F, 2-CI-4-CF 3 , 2-CI-5-CF 3 , 2-CI-6-CF 3 , 2-CI-3,6-F 2 , 2-F, 2,4-F 2 , 2,5-F 2 , 2,6-F 2 , 2-F-4-CF 3 , 2-F-5-CF 3 , 2-F-6-CF 3 , 2,3,6-F 3 , 2-N0 2 , 2-N0 2 -4-F, 2-N0 2 -5-F, 2-N0 2 -6-F, 2-N0 2 -4-CF 3 , 2-N0 2 -5-CF 3 , 2-N0 2 -6-CF 3 , 2-N0 2 -3,6-F 2 , 2-CN, 2-CH 3 , 2-CH 3 -4-F, 2-
  • A is N.
  • R 1 and R 3 are not halogen.
  • R 1 is nitro, Ci-C4-alkyl, Ci-C4-haloalkyl, Ci-C4-alkoxy-Ci-C4-alkyl, Ci-C4-alkoxy-
  • Ci-C4-alkoxy-Ci-C4-alkyl Ci-C4-alkoxy, Ci-C4-haloalkoxy, Ci-C4-alkylthio, C1-C4- haloalkylthio or Ci-C4-alkylsulfonyl, in particular NO2, CH3, CF3,
  • R 3 is H, CN, N0 2 , Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy, Ci-C 4 -alkylthio, C1-C4- alkylsulfonyl, in particular H, CN, N0 2 , CH 3 , CH2CH3, CF 3 , CHF 2 , OCH 3 , OCF 3 , OCHF2, SCH 3 , SO2CH3 or SO2CH2CH3;
  • R 4 , R 5 are H.
  • R 4 is hydrogen, halogen or Ci-C4-haloalkyl, in particular H.
  • R 5 is hydrogen or halogen, particularly preferably H, F or CI, in particular H.
  • one of the groups R 4 and R 5 is halogen, such as CI or F.
  • R 6 is H, OH, CN, halogen, alkyl, alkoxy, haloalkyl, in particular H;
  • R 7 is H, OH, CN, halogen, alkyl, alkoxy, haloalkyl, in particular H.
  • At least one of the groups R 6 and R 7 is/are hydrogen.
  • a further embodiment relates to the N-oxides of the compounds of the formula I.
  • a further embodiment relates to salts of the compounds of the formula I, in particular those which are obtainable by quaternization of a pyridazine nitrogen atom, which may preferably take place by alkylation or arylation of the compounds of the formula I.
  • Preferred salts of the compounds are thus the N-alkyl salts, in particular the N-methyl salts, and the N-phenyl salts.
  • A-170 1.1
  • a CI CH CH-CH 3 S0 2 CH 3 H H
  • A-181 1.1 A CI CH 2 C ⁇ CH CHF 2 H H
  • A-220 1.1 A CI S02CH2CH3 H H H H
  • A-228 1.1 A CI S0 2 CH(CH 3 ) 2 CI H H
  • A-229 1.1 A CI S0 2 CH(CH 3 ) 2 CN H H
  • A-231 1.1 A CI S0 2 CH(CH 3 ) 2 OCH3 H H
  • A-552 1.1 A CHs CH 2 C ⁇ CH S0 2 CHs H H
  • A-555 1.1 A CHs CH 2 OCH 2 CFs CN H H
  • A-556 1.1 A CHs CH 2 OCH 2 CFs CHF 2 H H
  • A-730 1.1 A CFs CH 2 C ⁇ CH H H H H
  • A-731 1.1 A CFs CH 2 C ⁇ CH CI H H
  • A-732 1.1 A CFs CH 2 C ⁇ CH CN H H
  • A-733 1.1 A CFs CH 2 C ⁇ CH CHF 2 H H
  • A-734 1.1 A CFs CH 2 C ⁇ CH F H H
  • A-735 1.1 A CFs CH 2 C ⁇ CH OCHF 2 H H
  • A-736 1.1 A CFs CH 2 C ⁇ CH S0 2 CHs H H
  • A-737 1.1 A CFs CH 2 OCH 2 CFs H H H
  • A-739 1.1 A CFs CH 2 OCH 2 CFs CN H H
  • A-740 1.1 A CFs CH 2 OCH 2 CFs CHF 2 H H
  • A-741 1.1 A CFs CH 2 OCH 2 CFs F H H
  • A-742 1.1 A CFs CH 2 OCH 2 CFs OCHF 2 H H
  • A-743 1.1 A CFs CH 2 OCH 2 CFs S0 2 CHs H H
  • A-920 1.1 A I CH 2 C ⁇ CH S0 2 CH 3 H H
  • a SO2CH3 CH CH 2 CN H H
  • A-1081 1.1
  • a SO2CH3 CH CH 2 F H H
  • A-1086 1.1
  • a SO2CH3 CH CH-CH 3 CN H H
  • A-1090 1.1
  • a SO2CH3 CH CH-CH 3 SO2CH3 H H
  • A-1 100 1.1 A SO2CH3 CH 2 C ⁇ CH CN H H
  • A-1 101 A SO2CH3 CH 2 C ⁇ CH CHF 2 H H
  • A-1 102 1.1 A SO2CH3 CH 2 C ⁇ CH F H H
  • A-1 103 1.1 A SO2CH3 CH 2 C ⁇ CH OCHF2 H H
  • A-1 104 1.1 A SO2CH3 CH2OCH SO2CH3 H H
  • A-1 105 1.1 A SO2CH3 CH2OCH2CF3 H H H H
  • A-1 106 1.1 A SO2CH3 CH2OCH2CF3 CI H H
  • A-1 107 1.1 A SO2CH3 CH2OCH2CF3 CN H H
  • A-1 108 1.1 A SO2CH3 CH2OCH2CF3 CHF 2 H H
  • A-1 109 1.1 A SO2CH3 CH2OCH2CF3 F H H
  • A-1 1 10 1.1 A SO2CH3 CH2OCH2CF3 OCHF2 H H
  • A-1 1 12 1.1 A H H H No. Formula R 1 R2 R 3 R 4 R 5
  • A-1142 1.1 A SO2CH3 SO2CH2CH3 CN H H
  • A-1150 1.1 A SO2CH3 S0 2 CH(CH 3 ) 2 CHF 2 H H
  • A-1160 A SO2CH3 COOCH3 SO2CH3 H H
  • substituted pyrazine compounds of formula I according to the invention can be prepared by standard processes of organic chemistry, for example by the following processes:
  • This reaction is usually carried out at temperatures of from -78°C to 120°C, preferably from -20°C to 50°C, in an inert organic solvent in the presence of a base, such as, for example, triethylamine (cf. J. Agric. and Food Chem. 1994, 42(4), 1019-1025), a catalyst, such as, for example, dicyclohexylcarbodiimide (cf. Egyptian Journal of Chem- istry 1994, 37(3), 273-282) or other known coupling agents.
  • a base such as, for example, triethylamine (cf. J. Agric. and Food Chem. 1994, 42(4), 1019-1025)
  • a catalyst such as, for example, dicyclohexylcarbodiimide (cf. Egyptian Journal of Chem- istry 1994, 37(3), 273-282) or other known coupling agents.
  • Suitable solvents are aliphatic hydrocarbons, such as pentane, hexane, cyclohexane and petroleum ether, aromatic hydrocarbons, such as toluene, 0-, m- and p-xylene, halogenated hydrocarbons, such as methylene chloride, chloroform and chloro- benzene, ethers, such as diethyl ether, diisopropyl ether, tert-butyl methyl ether, diox- ane, anisole and tetrahydrofuran (THF), nitriles, such as acetonitrile and propionitrile, ketones, such as acetone, methyl ethyl ketone, diethyl ketone and tert-butyl methyl ketone, and also dimethyl sulfoxide, dimethylformamide (DMF)and dimethylacetamide, particularly preferably halogenated hydrocarbons, such as methylene chloride,
  • Suitable bases are, in general, inorganic compounds, such as lithium oxide, sodium oxide, calcium oxide and magnesium oxide, alkali metal and alkaline earth metal hydrides, such as lithium hydride, sodium hydride, potassium hydride and calcium hydride, alkali metal and alkaline earth metal carbonates, such as lithium carbonate, potassium carbonate and calcium carbonate, and also alkali metal bicarbonates, such as sodium bicarbonate, organometallic compounds, in particular alkali metal alkyls, such as methyllithium, butyllithium and phenyllithium, alkylmagnesium halides, such as me- thylmagnesium chloride, and also alkali metal and alkaline earth metal alkoxides, such as sodium methoxide, sodium ethoxide, potassium ethoxide, potassium tert-butoxide and dimethoxymagnesium, moreover organic bases, for example tertiary amines,
  • 4-dimethylaminopyridine and also bicyclic amines.
  • tertiary amines such as trimethylamine, triethylamine, tributylamine, diisopropylethylamine and alkali metal and alkaline earth metal carbonates, such as lithium car- bonate, potassium carbonate and calcium carbonate.
  • the bases are generally employed in equimolar amounts; however, they can also be used in catalytic amounts, in excess or, if appropriate, as solvents.
  • the starting materials are generally reacted with one another in equimolar amounts.
  • the compounds of the formula IV are activated by introducing a leaving group L 1 .
  • Suitable leaving groups L 1 are, in general, groups which increase the electrophilicity of the carbonyl group, for example O-alkyl, O-aryl, halides, activated esters or aldehydes (such as, for example, Weinreb amide), in particular pentafluorophenoxy.
  • This reaction is usually carried out at temperatures of from -78°C to 120°C, preferably from -20°C to 50°C, in an inert organic solvent in the presence of a base, such as, for example, triethylamine (cf. J. Agric. and Food Chem. 1994, 42(4), 1019-1025), a catalyst, such as, for example, dicyclohexylcarbodiimide (cf. Egyptian Journal of Chemistry 1994, 37(3), 273-282) or other known coupling agents.
  • a base such as, for example, triethylamine (cf. J. Agric. and Food Chem. 1994, 42(4), 1019-1025)
  • a catalyst such as, for example, dicyclohexylcarbodiimide (cf. Egyptian Journal of Chemistry 1994, 37(3), 273-282) or other known coupling agents.
  • Suitable solvents are aliphatic hydrocarbons, such as pentane, hexane, cyclohexane and petroleum ether, aromatic hydrocarbons, such as toluene, o-, m- and p-xylene, halogenated hydrocarbons, such as methylene chloride, chloroform and chloroben- zene, ethers, such as diethyl ether, diisopropyl ether, tert-butyl methyl ether, dioxane, anisole and tetrahydrofuran, nitriles, such as acetonitrile and propionitrile, ketones, such as acetone, methyl ethyl ketone, diethyl ketone and tert-butyl methyl ketone, and also dimethyl sulfoxide, dimethylformamide and dimethylacetamide, particularly pref- erably methylene chloride and toluene. It is also possible to use
  • Suitable bases are, in general, inorganic compounds, such as alkali metal and alkaline earth metal oxides, such as lithium oxide, sodium oxide, calcium oxide and magnesium oxide, alkali metal and alkaline earth metal hydrides, such as lithium hydride, sodium hydride, potassium hydride and calcium hydride, alkali metal and alkaline earth metal carbonates, such as lithium carbonate, potassium carbonate and calcium carbonate, and also alkali metal bicarbonates, such as sodium bicarbonate, organometal- lic compounds, in particular alkali metal alkyls, such as methyllithium, butyllithium and phenyllithium, alkylmagnesium halides, such as methylmagnesium chloride, and also alkali metal and alkaline earth metal alkoxides, such as sodium methoxide, sodium ethoxide, potassium ethoxide, potassium tert-butoxide and dimethoxymagnesium, moreover organic bases, for example tertiary amines,
  • alkali metal and alkaline earth metal carbonates such as lithium carbonate, potassium carbonate, calcium carbonate, cesium carbonate and rubidium carbonate.
  • the bases are generally employed in catalytic amounts; however, they can also be used in equimolar amounts, in excess or, if appropriate, as solvents.
  • Suitable agents H-L 1 are alcohols, optionally subst. phenols, ⁇ , ⁇ -dialkylhydroxyl- amine, in particular pentafluorophenol or ⁇ , ⁇ -dimethylhydroxylamine.
  • the compounds of the formula V are cyclized to give the compounds of the for- mula I.
  • This reaction is usually carried out at temperatures of from -78°C to 120°C, preferably from -20°C to 50°C, in an inert organic solvent in the presence of a base or a Lewis acid or a catalyst [cf. Silverman, Richard B. J. Am. Chem. Soc. 1981 , 103(13), 3910].
  • Suitable solvents are aliphatic hydrocarbons, such as pentane, hexane, cyclohexane and petroleum ether, aromatic hydrocarbons, such as toluene, o-, m- and p-xylene, halogenated hydrocarbons, such as methylene chloride, chloroform and chloro- benzene, ethers, such as diethyl ether, diisopropyl ether, tert-butyl methyl ether, dioxa- ne, anisole and tetrahydrofuran, nitriles, such as acetonitrile and propionitrile, ketones, such as acetone, methyl ethyl ketone, diethyl ketone and tert-butyl methyl ketone, and also dimethyl sulfoxide, dimethylformamide and dimethylacetamide, particularly preferably acetonitrile and dimethylformamide. It is also possible to use mixtures
  • Suitable bases are, in general, inorganic compounds, such as alkali metal and alkaline earth metal oxides, such as lithium oxide, sodium oxide, calcium oxide and magnesium oxide, alkali metal and alkaline earth metal hydrides, such as lithium hydride, sodium hydride, potassium hydride and calcium hydride, alkali metal and alkaline earth metal carbonates, such as lithium carbonate, potassium carbonate, calcium carbonate, cesium carbonate and rubidium carbonate, and also alkali metal bicarbonates, such as sodium bicarbonate, organometallic compounds, in particular alkali metal alkyls, such as methyllithium, butyllithium and phenyllithium, alkylmagnesium halides, such as me- thylmagnesium chloride, and also alkali metal and alkaline earth metal alkoxides, such as sodium methoxide, sodium ethoxide, potassium ethoxide, potassium tert-butoxide and dimethoxymagnesium, moreover organic
  • alkali metal and alkaline earth metal carbonates such as lithium carbonate, potassium carbonate, calcium carbonate, cesium carbonate and rubidium carbonate.
  • the bases are generally employed in catalytic amounts; however, they can also be used in equimolar amounts, in excess or, if appropriate, as solvents.
  • the starting materials are generally reacted with one another in equimolar amounts.
  • the compounds of the formula I can also be obtained via a reverse reaction sequence, i.e. the reaction of the compounds of the formula II with compounds H-L 1 gives the activated derivatives of the formula VI.
  • this reaction is carried out under the conditions mentioned for the reaction of the formula IV with H-L 1 .
  • the sulfonic acid derivatives of the formula III are known or can be prepared from correspondingly substituted benzoic acids or benzylhalides on the basis of syntheses known in the literature [cf. Journal of Medicinal Chemistry (2008), 51 (12), 3388-3413. Organic Letters (2008), 10(14), 3073-3076. Synthesis (2006), (24), 4131 -4134.].
  • Suitably substituted benzoic acids and halobenzenes are known, for example from: WO 2002/00621 1 , WO 2009/058237, WO 98/52926, WO 96/26193, EP-A 352 543, WO 98/52926, WO 97/30986, WO 98/12180.
  • reaction mixtures are worked up in a customary manner, for example by mixing with water, separating the phases and, if appropriate, chromatographic purification of the crude products.
  • Some of the intermediates and end products are obtained in the form of colorless or slightly brownish viscous oils which are purified or freed from volatile components under reduced pressure and at moderately elevated temperature. If the intermediates and end products are obtained as solids, the purification can also be carried out by recrystallization or digestion.
  • the compounds I are suitable as herbicides. They are suitable as such or as an appropriately formulated composition (herbicidal composition). As used in this application, the terms "formulated composition” and “herbicidal composition” are synonyms.
  • the herbicidal compositions comprising the compounds of formula I control vegetation on non-crop areas very efficiently, especially at high rates of application. They act against broad-leaved weeds and grass weeds in crops such as wheat, rice, maize, soya and cotton without causing any significant damage to the crop plants. This effect is mainly observed at low rates of application.
  • the compounds I or compositions comprising them can additionally be employed in a further number of crop plants for eliminating undesirable plants. Examples of suitable crops are the following:
  • Preferred crops are the following: Arachis hypogaea, Beta vulgaris spec, altissima, Brassica napus var. napus, Brassica oleracea, Citrus limon, Citrus sinensis, Coffea arabica (Coffea canephora, Coffea liberica), Cynodon dactylon, Glycine max,
  • Gossypium hirsutum (Gossypium arboreum, Gossypium herbaceum, Gossypium vitifolium), Helianthus annuus, Hordeum vulgare, Juglans regia, Lens culinaris, Linum usitatissimum, Lycopersicon lycopersicum, Malus spec, Medicago sativa, Nicotiana tabacum (N.rustica), Olea europaea, Oryza sativa , Phaseolus lunatus, Phaseolus vulgaris, Pistacia vera, Pisum sativum, Prunus dulcis, Saccharum officinarum, Secale cereale, Solanum tuberosum, Sorghum bicolor (s.
  • compositions / compunds of formula I according to the invention can also be used in genetically modified plants.
  • genetically modified plants is to be understood as plants whose genetic material has been modified by the use of recombinant DNA techniques to include an inserted sequence of DNA that is not native to that plant species' genome or to exhibit a deletion of DNA that was native to that species' ge- nome, wherein the modification(s) cannot readily be obtained by cross breeding, mutagenesis or natural recombination alone.
  • a particular genetically modified plant will be one that has obtained its genetic modification(s) by inheritance through a natural breeding or propagation process from an ancestral plant whose genome was the one directly treated by use of a recombinant DNA technique.
  • one or more genes have been integrated into the genetic material of a genetically modified plant in order to improve certain properties of the plant.
  • Such genetic modifications also include but are not limited to targeted post-translational modification of protein(s), oligo- or polypeptides, e. g., by inclusion therein of amino acid mutation(s) that permit, decrease, or promote glycosylation or polymer additions such as prenylation, acetylation farnesyla- tion, or PEG moiety attachment.
  • auxin herbicides such as dic
  • bromoxynil or ioxynil herbicides as a result of conventional methods of breeding or genetic engineering; furthermore, plants have been made re- sistant to multiple classes of herbicides through multiple genetic modifications, such as resistance to both glyphosate and glufosinate or to both glyphosate and a herbicide from another class such as ALS inhibitors, HPPD inhibitors, auxin herbicides, or ACCase inhibitors.
  • herbicide resistance technologies are, for example, described in Pest Management Science 61 , 2005, 246; 61 , 2005, 258; 61 , 2005, 277; 61 , 2005, 269; 61 , 2005, 286; 64, 2008, 326; 64, 2008, 332; Weed Science 57, 2009, 108; Australian Journal of Agricultural Research 58, 2007, 708; Science 316, 2007, 1 185; and references quoted therein.
  • Several cultivated plants have been rendered tolerant to herbicides by mutgenesis and conventional methods of breeding, e. g., Clearfield® summer rape (Canola, BASF SE, Germany) being tolerant to imidazolinones, e.
  • plants are also covered that are by the use of recombinant DNA techniques capable to synthesize one or more insecticidal proteins, especially those known from the bacterial genus Bacillus, particularly from Bacillus thuringiensis, such as delta- endotoxins, e. g., CrylA(b), CrylA(c), CrylF, CrylF(a2), CryllA(b), CrylllA, CrylllB(bl ) or Cry9c; vegetative insecticidal proteins (VIP), e. g., VIP1 , VIP2, VIP3 or VIP3A; insecti- cidal proteins of bacteria colonizing nematodes, e. g., Photorhabdus spp.
  • delta- endotoxins e. g., CrylA(b), CrylA(c), CrylF, CrylF(a2), CryllA(b), CrylllA, CrylllB(bl ) or Cry9c
  • VIP vegetative insect
  • toxins produced by animals such as scorpion toxins, arachnid toxins, wasp toxins, or other insect-specific neurotoxins
  • toxins produced by fungi such as Strepto- mycetes toxins, plant lectins, such as pea or barley lectins; agglutinins
  • proteinase in- hibitors such as trypsin inhibitors, serine protease inhibitors, patatin, cystatin or papain inhibitors
  • ribosome-inactivating proteins (RIP) such as ricin, maize-RIP, abrin, luffin, saporin or bryodin
  • steroid metabolism enzymes such as 3-hydroxy-steroid oxidase, ecdysteroid-IDP-glycosyl-transferase, cholesterol oxidases, ecdysone inhibitors or HMG-CoA-reductase
  • ion channel blockers such as 3-hydroxy-steroid oxidase,
  • these insecticidal proteins or toxins are to be understood expressly also as including pre-toxins, hybrid proteins, truncated or otherwise modified proteins.
  • Hybrid proteins are characterized by a new combination of protein domains, (see, e. g., WO 02/015701 ).
  • Further examples of such toxins or genetically modified plants capable of synthesizing such toxins are disclosed, e. g., in EP-A 374 753, WO 93/007278, WO 95/34656, EP-A 427 529, EP-A 451 878, WO 03/18810 und WO 03/52073.
  • the methods for producing such genetically modified plants are generally known to the person skilled in the art and are described, e.
  • insecticidal proteins contained in the genetically modified plants impart to the plants producing these proteins tolerance to harmful pests from all taxo- nomic groups of arthropods, especially to beetles (Coeloptera), two-winged insects (Diptera), and moths (Lepidoptera) and to nematodes (Nematoda).
  • Genetically modified plants capable to synthesize one or more insecticidal proteins are, e.
  • plants are also covered that are by the use of recombinant DNA techniques capable to synthesize one or more proteins to increase the resistance or tolerance of those plants to bacterial, viral or fungal pathogens.
  • proteins are the so-called "pathogenesis-related proteins" (PR proteins, see, e.g., EP-A 392 225), plant disease resistance genes (e. g., potato culti-vars, which express resistance genes acting against Phytophthora infestans derived from the Mexican wild potato, Solanum bulbocastanum) or T4-lyso-zym (e.g., potato cultivars capable of synthesizing these proteins with increased resistance against bacteria such as Erwinia amylovora).
  • PR proteins pathogenesis-related proteins
  • plant disease resistance genes e. g., potato culti-vars, which express resistance genes acting against Phytophthora infestans derived from the Mexican wild potato, Solanum bulbocastanum
  • T4-lyso-zym
  • plants are also covered that are by the use of recombinant DNA techniques capable to synthesize one or more proteins to increase the productivity (e.g., bio-mass production, grain yield, starch content, oil content or protein content), tolerance to drought, salinity or other growth-limiting environmental factors or tolerance to pests and fungal, bacterial or viral pathogens of those plants.
  • productivity e.g., bio-mass production, grain yield, starch content, oil content or protein content
  • tolerance to drought e.g., salinity or other growth-limiting environmental factors or tolerance to pests and fungal, bacterial or viral pathogens of those plants.
  • plants are also covered that contain by the use of recombinant DNA techniques a modified amount of ingredients or new ingredients, specifically to improve human or animal nutrition, e. g., oil crops that produce health-promoting long-chain omega-3 fatty acids or unsaturated omega-9 fatty acids (e. g., Nexera® rape, Dow AgroSciences, Canada).
  • plants are also covered that contain by the use of recombinant DNA techniques a modified amount of ingredients or new ingredients, specifically to improve raw material production, e.g., potatoes that produce increased amounts of amylopectin (e.g. Amflora® potato, BASF SE, Germany).
  • the compounds of the formula I are also suitable for the defoliation and/or desiccation of plant parts, for which crop plants such as cotton, potato, oilseed rape, sunflower, soybean or field beans, in particular cotton, are suitable.
  • crop plants such as cotton, potato, oilseed rape, sunflower, soybean or field beans, in particular cotton
  • compositions for the desiccation and/or defoliation of plants, processes for preparing these compositions and methods for desiccating and/or defoliating plants using the compounds of the formula I have been found.
  • the compounds of the formula I are particularly suitable for desiccating the above-ground parts of crop plants such as potato, oilseed rape, sunflower and soybean, but also cereals. This makes possible the fully mechanical harvesting of these important crop plants.
  • Also of economic interest is to facilitate harvesting, which is made possible by concentrating within a certain period of time the dehiscence, or reduction of adhesion to the tree, in citrus fruit, olives and other species and varieties of pernicious fruit, stone fruit and nuts.
  • the same mechanism i.e. the promotion of the development of abscission tissue between fruit part or leaf part and shoot part of the plants is also essential for the controlled defoliation of useful plants, in particular cotton.
  • the compounds I, or the herbicidal compositions comprising the compounds I can be used, for example, in the form of ready-to-spray aqueous solutions, powders, suspensions, also highly concentrated aqueous, oily or other suspensions or dispersions, emulsions, oil dispersions, pastes, dusts, materials for broadcasting, or granules, by means of spraying, atomizing, dusting, spreading, watering or treatment of the seed or mixing with the seed.
  • the use forms depend on the intended purpose; in any case, they should ensure the finest possible distribution of the active ingredients according to the invention.
  • the herbicidal compositions comprise an herbicidal effective amount of at least one compound of the formula I and auxiliaries which are customary for the formulation of crop protection agents.
  • auxiliaries customary for the formulation of crop protection agents are inert auxiliaries, solid carriers, surfactants (such as dispersants, protective colloids, emulsifiers, wetting agents and tackifiers), organic and inorganic thickeners, bactericides, antifreeze agents, antifoams, optionally colorants and, for seed formulations, adhesives.
  • surfactants such as dispersants, protective colloids, emulsifiers, wetting agents and tackifiers
  • organic and inorganic thickeners such as bactericides, antifreeze agents, antifoams, optionally colorants and, for seed formulations, adhesives.
  • thickeners i.e. compounds which impart to the formulation modified flow properties, i.e. high viscosity in the state of rest and low viscosity in motion
  • thickeners are polysaccharides, such as xanthan gum (Kelzan® from Kelco), Rhodopol® 23 (Rhone Poulenc) or Veegum® (from R.T. Vanderbilt), and also organic and inorganic sheet minerals, such as Attaclay® (from Engelhardt).
  • antifoams examples include silicone emulsions (such as, for example, Silikon ® SRE, Wacker or Rhodorsil® from Rhodia), long-chain alcohols, fatty acids, salts of fatty acids, organofluorine compounds and mixtures thereof.
  • Bactericides can be added for stabilizing the aqueous herbicidal formulations.
  • bactericides examples include bactericides based on diclorophen and benzyl alcohol hemiformal (Proxel® from ICI or Acticide® RS from Thor Chemie and Kathon® MK from Rohm & Haas), and also isothiazolinone derivates, such as alkylisothiazolinones and benzisothiazolinones (Acticide MBS from Thor Chemie).
  • antifreeze agents are ethylene glycol, propylene glycol, urea or glycerol.
  • colorants are both sparingly water-soluble pigments and water-soluble dyes. Examples which may be mentioned are the dyes known under the names Rhodamin B, C.I. Pigment Red 1 12 and C.I. Solvent Red 1 , and also pigment blue 15:4, pigment blue 15:3, pigment blue 15:2, pigment blue 15:1 , pigment blue 80, pigment yellow 1 , pigment yellow 13, pigment red 1 12, pigment red 48:2, pigment red 48:1 , pigment red 57:1 , pigment red 53:1 , pigment orange 43, pigment orange 34, pigment orange 5, pigment green 36, pigment green 7, pigment white 6, pigment brown 25, basic violet 10, basic violet 49, acid red 51 , acid red 52, acid red 14, acid blue 9, acid yellow 23, basic red 10, basic red 108.
  • adhesives are polyvinylpyrrolidone, polyvinyl acetate, polyvinyl alcohol and tylose.
  • Suitable inert auxiliaries are, for example, the following:
  • 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, for example paraffin, tetrahydronaphthalene, alkylated naphthalenes and their derivatives, alkylated benzenes and their derivatives, alcohols such as methanol, ethanol, propanol, butanol and cyclohexanol, ketones such as cyclohexanone or strongly polar solvents, for example amines such as N- methylpyrrolidone, and water.
  • paraffin tetrahydronaphthalene
  • alkylated naphthalenes and their derivatives alkylated benzenes and their derivatives
  • alcohols such as methanol, ethanol, propanol, butanol and cyclohexanol
  • ketones such as cyclohexanone or strongly
  • Suitable carriers include liquid and solid carriers.
  • Liquid carriers include e.g. non-aqeuos solvents such as 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 as well as mixtures thereof.
  • solvents such as 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
  • Solid carriers include e.g. mineral earths such as silicas, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bole, loess, clay, dolomite, diatomaceous earth, calcium sulfate, magnesium sulfate and magnesium oxide, ground synthetic materials, fertilizers such as ammonium sulfate, ammonium phosphate, ammonium nitrate and ureas, and products of vegetable origin, such as cereal meal, tree bark meal, wood meal and nutshell meal, cellulose powders, or other solid carriers.
  • mineral earths such as silicas, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bole, loess, clay, dolomite, diatomaceous earth, calcium sulfate, magnesium sulfate and magnesium oxide, ground synthetic materials, fertilizers such as ammonium sulfate, ammonium phosphate, ammonium nit
  • Suitable surfactants are the alkali metal salts, alkaline earth metal salts and ammonium salts of aromatic sulfonic acids, for example lignosulfonic acids (e.g.
  • methylcellulose methylcellulose
  • hydrophobically modified starches polyvinyl alcohol (Mowiol types Clariant), polycarboxylates (BASF AG, Sokalan types), polyalkoxylates, polyvinylamine (BASF AG, Lupamine types), polyethyleneimine (BASF AG, Lupasol types), polyvinylpyrrolidone and copolymers thereof.
  • Powders, materials for broadcasting and dusts can be prepared by mixing or concomitant grinding the active ingredients together with a solid carrier.
  • Granules for example coated granules, impregnated granules and homogeneous granules, can be prepared by binding the active ingredients to solid carriers.
  • Aqueous use forms can be prepared from emulsion concentrates, suspensions, pastes, wettable powders or water-dispersible granules by adding water.
  • the compounds of the formula I can be homogenized in water by means of a wetting agent, tackifier, dispersant or emulsifier.
  • a wetting agent tackifier, dispersant or emulsifier
  • concentrates comprising active compound, wetting agent, tackifier, dispersant or emulsifier and, if desired, solvent or oil, which are suitable for dilution with water.
  • concentrations of the compounds of the formula I in the ready-to-use preparations (formulations) can be varied within wide ranges.
  • the formulations comprise approximately from 0.001 to 98% by weight, preferably 0.01 to 95% by weight of at least one active ingredient.
  • the active ingredients are employed in a purity of from 90% to 100%, preferably 95% to 100% (according to NMR spectrum).
  • the active ingredients e.g. the compounds of formula I
  • the formulation according to the invention can be in the form of aqueous solutions, powders, suspensions, also highly-concentrated aqueous, oily or other suspensions or dispersions, aqueous emulsions, aqueous microemulsions, aqueous suspo-emulsions, oil dispersions, pastes, dusts, materials for spreading or granules.
  • the compounds of formula I according to the present invention can, for example, be formulated as follows: 1 . Products for dilution with water
  • active compound 10 parts by weight of active compound are dissolved in 90 parts by weight of water or a water-soluble solvent. As an alternative, wetters or other adjuvants are added. The active compound dissolves upon dilution with water. This gives a formulation with an active compound content of 10% by weight.
  • active compound 20 parts by weight of active compound are dissolved in 70 parts by weight of cyclohexanone with addition of 10 parts by weight of a dispersant, for example polyvinylpyrrolidone. Dilution with water gives a dispersion.
  • a dispersant for example polyvinylpyrrolidone.
  • the active compound content is 20% by weight.
  • active compound 15 parts by weight of active compound are dissolved in 75 parts by weight of an organic solvent (eg. alkylaromatics) with addition of calcium dodecylbenzenesulfonate and castor oil ethoxylate (in each case 5 parts by weight). Dilution with water gives an emulsion.
  • the formulation has an active compound content of 15% by weight.
  • active compound 25 parts by weight of active compound are dissolved in 35 parts by weight of an organic solvent (eg. alkylaromatics) with addition of calcium dodecylbenzenesulfonate and castor oil ethoxylate (in each case 5 parts by weight).
  • organic solvent eg. alkylaromatics
  • calcium dodecylbenzenesulfonate and castor oil ethoxylate in each case 5 parts by weight.
  • This mixture is introduced into 30 parts by weight of water by means of an emulsifier (Ultraturrax) and made into a homogeneous emulsion. Dilution with water gives an emulsion.
  • the formulation has an active compound content of 25% by weight.
  • active compound 20 parts by weight of active compound are comminuted with addition of 10 parts by weight of dispersants and wetters and 70 parts by weight of water or an organic solvent to give a fine active compound suspension. Dilution with water gives a stable suspension of the active compound.
  • the active compound content in the formulation is 20% by weight.
  • active compound 50 parts by weight of active compound are ground finely with addition of 50 parts by weight of dispersants and wetters and made into water-dispersible or water-soluble granules by means of technical appliances (for example extrusion, spray tower, fluidized bed). Dilution with water gives a stable dispersion or solution of the active compound.
  • the formulation has an active compound content of 50% by weight.
  • active compound 75 parts by weight of active compound are ground in a rotor-stator mill with addition of 25 parts by weight of dispersants, wetters and silica gel. Dilution with water gives a stable dispersion or solution of the active compound.
  • the active compound content of the formulation is 75% by weight.
  • Aqueous use forms can be prepared from emulsion concentrates, suspensions, pastes, wettable powders or water-dispersible granules by adding water.
  • the compounds of the formula I or the herbicidal compositions comprising them can be applied pre-, post-emergence or pre-plant, or together with the seed of a crop plant. It is also possible to apply the herbicidal composition or active compounds by applying seed, pretreated with the herbicidal compositions or active compounds, of a crop plant.
  • application techniques may be used in which the herbicidal compositions are sprayed, with the aid of the spraying equipment, in such a way that as far as possible they do not come into contact with the leaves of the sensitive crop plants, while the active ingredients reach the leaves of undesirable plants growing underneath, or the bare soil surface (post- directed, lay-by).
  • the compounds of the formula I or the herbicidal compositions can be applied by treating seed.
  • the treatment of seeds comprises essentially all procedures familiar to the person skilled in the art (seed dressing, seed coating, seed dusting, seed soaking, seed film coating, seed multilayer coating, seed encrusting, seed dripping and seed pelleting) based on the compounds of the formula I according to the invention or the compositions prepared therefrom.
  • the herbicidal compositions can be applied diluted or undiluted.
  • seed comprises seed of all types, such as, for example, corns, seeds, fruits, tubers, seedlings and similar forms.
  • the term seed describes corns and seeds.
  • the seed used can be seed of the useful plants mentioned above, but also the seed of transgenic plants or plants obtained by customary breeding methods.
  • the rates of application of the active compounds of formula I according to the present invention are from 0.1 g/ha to 3000 g/ha, preferably 10 g/ha to 1000 g/ha of active substance (a.s.), depending on the control target, the season, the target plants and the growth stage.
  • the application rates of the compounds of formula I are in the range from 0.1 g/ha to 5000 g/ha and preferably in the range from 1 g/ha to 2500 g/ha or from 5 g/ha to 2000 g/ha of active substance (a.s.). In another preferred embodiment of the invention, the application rate of the compounds of formula I is 0.1 to 1000 g/ha, preferablyl to 750 g/ha, more preferably 5 to 500 g/ha, of active substance.
  • the compounds I are generally employed in amounts of from 0.001 to 10 kg per 100 kg of seed.
  • the compounds of the formula I may be mixed with a large number of representatives of other herbicidal or growth-regulating active ingredient groups and then applied concomitantly.
  • Suitable components for mixtures are, for example, herbicides from the classes of the acetamides, amides, aryloxyphenoxypropionat.es, benzamides, benzofuran, benzoic acids, benzothiadiazinones, bipyridylium, carbamates, chloroacetamides,
  • chlorocarboxylic acids cyclohexanediones, dinitroanilines, dinitrophenol, diphenyl ether, glycines, imidazolinones, isoxazoles, isoxazolidinones, nitriles, N- phenylphthalimides, oxadiazoles, oxazolidinediones, oxyacetamides,
  • phenoxycarboxylic acids phenylcarbamates, phenylpyrazoles, phenylpyrazolines, phenylpyridazines, phosphinic acids, phosphoroamidates, phosphorodithioates, phthalamates, pyrazoles, pyridazinones, pyridines, pyridinecarboxylic acids, pyridinecarboxamides, pyrimidinediones, pyrimidinyl(thio)benzoates,
  • quinolinecarboxylic acids semicarbazones, sulfonylaminocarbonyltriazolinones, sulfonylureas, tetrazolinones, thiadiazoles, thiocarbamates, triazines, triazinones, triazoles, triazolinones, triazolocarboxamides, triazolopyrimidines, triketones, uracils, ureas.
  • the further herbicidal active compound B is preferably selected from the herbicides of class b1 ) to b15):
  • ALS inhibitors acetolactate synthase inhibitors
  • EBP inhibitors enolpyruvyl shikimate 3-phosphate synthase inhibitors
  • DHP inhibitors 7,8-dihydropteroate synthase inhibitors
  • VLCFA inhibitors inhibitors of the synthesis of very long chain fatty acids
  • herbicides selected from the group consisting of bromobutide, chlorflurenol, chlorflurenol-methyl, cinmethylin, cumyluron, dalapon, dazomet, difenzoquat, difenzoquat-metilsulfate, dimethipin, DSMA, dymron, endothal and its salts, etobenzanid, flamprop, flamprop-isopropyl, flamprop-methyl, flamprop-M- isopropyl, flamprop-M-methyl, flurenol, flurenol-butyl, flurprimidol, fosamine, fosamine-ammonium, indanofan, indaziflam, maleic hydrazide, mefluidide, metam, methiozolin (CAS 403640-27-7), methyl azide, methyl bromide, methyl- dymron, methyl iodide, MSMA
  • compositions according to the present invention comprising at least one herbicide B selected from herbicides of class b1 , b2, b3, b4, b5, b6, b9 and b10.
  • compositions according to the present invention which comprise at least one herbicide B selected from the herbicides of class b1 , b2, b6, b9 and b10.
  • compositions according to the present invention which comprise at least one herbicide B selected from the herbicides of class b2, b6 and b10.
  • herbicides B which can be used in combination with the compounds of the formula I according to the present invention are: b1 ) from the group of the lipid biosynthesis inhibitors:
  • ACC-herbicides such as alloxydim, alloxydim-sodium, butroxydim, clethodim, clodina- fop, clodinafop-propargyl, cycloxydim, cyhalofop, cyhalofop-butyl, diclofop, diclofop- methyl, fenoxaprop, fenoxaprop-ethyl, fenoxaprop-P, fenoxaprop-P-ethyl, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, metamifop, pinoxaden, profoxydim, propaquizafop, quizalofop, quizalofop-eth
  • sulfonylureas such as amidosulfuron, azimsulfuron, bensulfuron, bensulfuron-methyl, chlorimuron, chlorimuron-ethyl, chlorsulfuron, cinosulfuron, cyclosulfamuron, ethamet- sulfuron, ethametsulfuron-methyl, ethoxysulfuron, flazasulfuron, flucetosulfuron, flupyr- sulfuron, flupyrsulfuron-methyl-sodium, foramsulfuron, halosulfuron, halosulfuron- methyl, imazosulfuron, iodosulfuron, iodosulfuron-methyl-sodium, mesosulfuron, meta- zosulfuron, metsulfuron, metsulfuron-methyl, nicosulfuron, orthosulfamuron, oxasulfu
  • imidazolinones such as imazamethabenz, imazamethabenz-methyl, imazamox, ima- zapic, imazapyr, imazaquin and imazethapyr, triazolopyrimidine herbicides and sulfonamides such as cloransulam, cloransulam-methyl, diclosulam, flumetsulam, florasu- lam, metosulam, penoxsulam, pyrimisulfan and pyroxsulam,
  • pyrimidinylbenzoates such as bispyribac, bispyribac-sodium, pyribenzoxim, pyriftalid, pyriminobac, pyriminobac-methyl, pyrithiobac, pyrithiobac-sodium, 4-[[[2-[(4,6- dimethoxy-2-pyrimidinyl)oxy]phenyl]methyl]amino]-benzoic acid-1 -methylethyl ester
  • sulfonylaminocarbonyl-triazolinone herbicides such as flucarbazone, flucarbazone- sodium, propoxycarbazone, propoxycarbazone-sodium, thiencarbazone and thiencar- apelone-methyl,
  • compositions comprising at least one imidazolinone herbicide; b3) from the group of the photosynthesis inhibitors:
  • inhibitors of the photosystem II e.g. triazine herbicides, including of chlorotriazine, triazinones, triazindiones, methylthiotnazines and pyridazinones such as ametryn, atrazine, chloridazone, cyanazine, desmetryn, dimethametryn,hexazinone, metribuzin, prometon, prometryn, propazine, simazine, simetryn, terbumeton, terbuthy- lazin, terbutryn and trietazin, aryl urea such as chlorobromuron, chlorotoluron, chlo- roxuron, dimefuron, diuron, fluometuron, isoproturon, isouron, linuron, metamitron, methabenzthiazuron, metobenzuron, metoxuron, monolinuron, neburon, si
  • a preferred embodiment of the invention relates to those compositions comprising at least one aryl urea herbicide. Among these, likewise a preferred embodiment of the invention relates to those compositions comprising at least one triazine herbicide. Among these, likewise a preferred embodiment of the invention relates to those com- positions comprising at least one nitrile herbicide; b4) from the group of the protoporphyrinogen-IX oxidase inhibitors:
  • acifluorfen acifluorfen-sodium, azafenidin, bencarbazone, benzfendizone, bifenox, butafenacil, carfentrazone, carfentrazone-ethyl, chlomethoxyfen, cinidon-ethyl, flua- zolate, flufenpyr, flufenpyr-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluorogly- cofen, fluoroglycofen-ethyl, fluthiacet, fluthiacet-methyl, fomesafen, halosafen, lactofen, oxadiargyl, oxadiazon, oxyfluorfen, pentoxazone, profluazol, pyraclonil, pyraflufen, pyraflufen-ethyl, saflufenacil, sulf
  • PDS inhibitors beflubutamid, diflufenican, fluridone, flurochloridone, flurtamone, norflu- razon, picolinafen, and 4-(3-trifluoromethylphenoxy)-2-(4-trifluoromethylphenyl)- pyrimidine (CAS 180608-33-7), HPPD inhibitors: benzobicyclon, benzofenap, cloma- zone, isoxaflutole, mesotrione, pyrasulfotole, pyrazolynate, pyrazoxyfen, sulcotrione, tefuryltrione, tembotrione, topramezone and bicyclopyrone, bleacher, unknown target: aclonifen, amitrole and flumeturon; b6) from the group of the EPSP synthase inhibitors:
  • bilanaphos (bialaphos), bilanaphos-sodium, glufosinate, glufosinate-P and glufosinate- ammonium; b8) from the group of the DHP synthase inhibitors:
  • compounds of group K1 dinitroanilines such as benfluralin, butralin, dinitramine, ethalfluralin, fluchloralin, oryzalin, pendimethalin, prodiamine and trifluralin, phos- phoramidates such as amiprophos, amiprophos-methyl, and butamiphos, benzoic acid herbicides such as chlorthal, chlorthal-dimethyl, pyridines such as dithiopyr and thia- zopyr, benzamides such as propyzamide and tebutam; compounds of group K2: chlor- propham, propham and carbetamide, among these, compounds of group K1 , in particular dinitroanilines are preferred; b10) from the group of the VLCFA inhibitors:
  • chloroacetamides such as acetochlor, alachlor, butachlor, dimethachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, metolachlor-S, pethoxamid, pretilachlor, propachlor, propisochlor and thenylchlor, oxyacetanilides such as flufenacet and me- fenacet, acetanilides such as diphenamid, naproanilide and napropamide, tetrazoli- nones such fentrazamide, and other herbicides such as anilofos, cafenstrole, fenox- asulfone, ipfencarbazone, piperophos, pyroxasulfone and isoxazoline compounds of the formula II,
  • R 21 , R 22 , R 23 , R 24 , W, Z and n have the following meanings:
  • R 21 , R 22 , R 23 , R 24 independently of one another hydrogen, halogen or Ci-C4-alkyl; W phenyl or monocyclic 5-, 6-, 7-, 8-, 9- or 10-membered heterocyclyl containing, in addition to carbon ring members one, two or three same or different heteroatoms selected from oxygen, nitrogen and sulfur as ring members, wherein phenyl and heterocyclyl are unsubstituted or carry 1 , 2 or 3 sub- stituents Rw selected from halogen, Ci-C4-alkyl, Ci-C4-alkoxy, C1-C4- haloalkyl and Ci-C4-haloalkoxy; preferably phenyl or 5- or 6-membered aromatic heterocyclyl (hetaryl) which contains, in addition to carbon ring members, one, two or three nitrogen atoms as ring members, wherein phenyl and hetaryl are unsubstituted or carry 1 , 2
  • R 21 , R 22 , R 23 , R 24 independently of one another are H, F, CI or methyl;
  • n 0 or 1 ;
  • W is phenyl, pyrazolyl or 1 ,2,3-triazolyl, wherein the three last-mentioned radicals are unsubstituted or carry one, two or three substituents Rw, especially one of the following radicals
  • R 25 is halogen, Ci-C 4 -alkyl or Ci-C 4 -haloalkyl
  • R 26 is Ci-C 4 -alkyl
  • R 27 is halogen, Ci-C 4 -alkoxy or Ci-C 4 -haloalkoxy
  • R 28 is halogen, Ci-C 4 -alkyl, Ci-C 4 -haloalkyl or Ci-C 4 -haloalkoxy;
  • n 0, 1 , 2 or 3;
  • R 21 is hydrogen
  • R 22 is fluorine
  • R 23 is hydrogen or fluorine
  • R 24 is hydrogen or fluorine
  • W is one of the radicals of the formulae W 1 , W 2 , W 3 or W 4
  • isoxazoline compounds of the formulae 11.1 , II.2, 11.3, II.4, II.5, II.6, II.7, II.8 and II.9
  • the isoxazoline compounds of the formula II are known in the art, e.g. from WO 2006/024820, WO 2006/037945, WO 2007/071900 and WO 2007/096576; among the VLCFA inhibitors, preference is given to chloroacetamides and oxya- cetamides; b1 1 ) from the group of the cellulose biosynthesis inhibitors:
  • A is phenyl or pyridyl where R a is attached in the ortho-position to the point of attachment of A to a carbon atom;
  • Ry # is d-Ce-alkyl, C 3 -C 4 -alkenyl, C 3 -C 4 -alkynyl, N R A# R B# or Ci-C 4 - haloalkyl and q is 0, 1 or 2;
  • R A# ,R B# independently of one another are hydrogen, Ci-C6-alkyl, C 3 -C6- alkenyl and C 3 -C6-alkynyl; together with the nitrogen atom to which they are attached, R A# ,R B# may also form a five- or six- membered saturated, partially or fully unsaturated ring which, in addition to carbon atoms, may contain 1 , 2 or 3 heteroatoms selected from the group consisting of O, N and S, which ring may be substituted by 1 to 3 groups R aa# ;
  • D is a covalent bond, Ci-C 4 -alkylene, C2-C6-alkenyl or C2-C6-alkynyl;
  • R a#1 is hydrogen, OH, d-C 8 -Alkyl, Ci-C 4 -haloalkyl, C 3 -C 6 -cycloalkyl,
  • R aa# is halogen, OH, CN, N0 2 , Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy,
  • Ci-C 4 -haloalkoxy, S(0) q Ry # , D-C( 0)-R a#1 and tri-Ci-C 4 -alkylsilyl; independently of one another are hydrogen, CN, NO2, halogen, Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, C2-C 4 -alkenyl, C3-C6-alkynyl, Ci-C 4 -alkoxy, C1-C4- haloalkoxy, benzyl or S(0) q Ry # ,
  • R b# together with the group R a# or R b# attached to the adjacent ring atom may also form a five- or six-membered saturated or partially or fully unsaturated ring which, in addition to carbon atoms, may contain 1 , 2 or 3 heteroatoms selected from the group consisting of O, N and S, which ring may be partially or fully substituted by R aa# ;
  • R 40 is hydrogen, Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy or Ci-C 4 -halo- alkoxy;
  • D 1 is carbonyl or a group D
  • R 15 , R a# and their sub-substituents may carry 1 , 2, 3 or 4 substituents R aa# and/or R a#1 ;
  • R 31 is Ci-C 4 -alkyl, C 3 -C 4 -alkenyl or C 3 -C 4 -alkynyl;
  • R 32 is OH, NH 2 , Ci-C 4 -alkyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -alkenyl, C 3 -C 6 -alkynyl,
  • Ci-C 4 -hydroxyalkyl, Ci-C 4 -cyanoalkyl, Ci-C 4 -haloalkyl, Ci-C 4 -alkoxy-Ci-C 4 - alkyl or C( 0)R 40 ;
  • R 33 is hydrogen, halogen, Ci-C 4 -alkyl or Ci-C 4 -haloalkyl, or R 33 and R 34 together are a covalent bond;
  • R 34 , R 35 , R 36 , R 37 independently of one another are hydrogen, halogen, OH, CN, N0 2 , Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C1-C4- alkoxy, Ci-C 4 -haloalkoxy, C 3 -C6-cycloalkyl, C 3 -C6-cycloalkenyl and C 3 -C6- cycloalkynyl;
  • R 38 , R 39 independently of one another are hydrogen, halogen, OH, haloalkyl, N R A# R B # NR A# C(0)R 41 , CN, N0 2 , Ci-C 4 -alkyl, Ci-C 4 -haloalkyl, C2-C4- alkenyl, C 3 -C6-alkynyl, Ci-C 4 -alkoxy, Ci-C 4 -haloalkoxy, 0-C(0)R 41 , phenoxy or benzyloxy, where in groups R 38 and R 39 the carbon chains and/or the cyclic groups may carry 1 , 2, 3 or 4 substituents R aa# ;
  • R 41 is Ci-C 4 -alkyl or N R A# R B# ;
  • A is phenyl or pyridyl where R a# is attached in the ortho-position to the point of attachment of A to a carbon atom;
  • Ry # is d-Ce-alkyl, C 3 -C 4 -alkenyl, C 3 -C 4 -alkynyl, N R A# R B# or C1-C4- haloalkyl and q is 0, 1 or 2;
  • R A# , R B# independently of one another are hydrogen, C1-C6- alkyl, C 3 -C6-alkenyl and C 3 -C6-alkynyl; together with the nitrogen atom to which they are attached, R A# ,R B# may also form a five- or six-membered saturated, partially or fully unsaturated ring which, in addition to carbon atoms, may contain 1 , 2 or 3 heteroatoms selected from the group consisting of O, N and S, which ring may be substituted by 1 to 3 groups R aa# ;
  • D is a covalent bond or Ci-C 4 -alkylene
  • R a#1 is hydrogen, OH, Ci-C 8 -Alkyl, Ci-C 4 -haloalkyl, C 3 -C 6 -cycloalkyl;
  • R b# independently of one another is CN, NO2, halogen, Ci-C4-alkyl, C1-C4- haloalkyl, C2-C4-alkenyl, C3-C6-alkynyl, Ci-C4-alkoxy, Ci-C4-haloalkoxy, benzyl or S(0) q Ry # ,
  • R b# together with the group R a# or R b# attached to the adjacent ring atom may also form a five- or six-membered saturated or partially or fully unsaturated ring which, in addition to carbon atoms, may contain 1 , 2 or 3 heteroatoms selected from the group consisting of O, N and S, which ring may be partially or fully substituted by R aa# ;
  • p is 0 or1 ;
  • R 40 is hydrogen, Ci-C4-alkyl, Ci-C4-haloalkyl, Ci-C4-alkoxy or Ci-C4-halo- alkoxy;
  • R 30 , R a and their sub-substituents the carbon chains and/or the cyclic groups may carry 1 , 2, 3 or 4 substituents R aa# and/or R a1# ;
  • R 31 is Ci-C 4 -alkyl
  • R 33 is hydrogen, or R 33 and R 34 together are a covalent bond
  • R 34 , R 35 , R 36 , R 37 independently of one another are hydrogen;
  • R 38 , R 39 independently of one another are hydrogen, halogen or OH; b12) from the group of the decoupler herbicides:
  • Safeners are chemical compounds which prevent or reduce damage on useful plants without having a major impact on the herbicidal action of the compounds of the formula I towards unwanted plants. They can be applied either before sowings (e.g. on seed treatments, shoots or seedlings) or in the pre-emergence application or post-emergence application of the useful plant. The safeners and the compounds of the formula I can be applied simultaneously or in succession.
  • Suitable safeners are e.g. (quinolin-8-oxy)acetic acids, 1 -phenyl-5-haloalkyl-1 H-1 ,2,4- triazol-3-carboxylic acids, 1 -phenyl-4,5-dihydro-5-alkyl-1 H-pyrazol-3,5-dicarboxylic acids, 4,5-dihydro-5,5-diaryl-3-isoxazol carboxylic acids, dichloroacetamides, alpha- oximinophenylacetonitriles, acetophenonoximes, 4,6-dihalo-2-phenylpyrimidines, N-[[4- (aminocarbonyl)phenyl]sulfonyl]-2-benzoic amides, 1 ,8-naphthalic anhydride, 2-halo-4- (haloalkyl)-5-thiazol carboxylic acids, phosphorthiolates and N-alkyl-O-phenyl-
  • Examples of preferred safeners C are benoxacor, cloquintocet, cyometrinil, cyprosul- famide, dichlormid, dicyclonon, dietholate, fenchlorazole, fenclorim, flurazole, fluxofen- im, furilazole, isoxadifen, mefenpyr, mephenate, naphthalic anhydride, oxabetrinil, 4-(dichloroacetyl)-1 -oxa-4-azaspiro[4.5]decane (MON4660, CAS 71526-07-3), 2,2,5- trimethyl-3-(dichloroacetyl)-1 ,3-oxazolidine (R-29148, CAS 52836-31 -4) and N-(2- Methoxybenzoyl)-4-[(methylaminocarbonyl)amino]benzenesulfonamide (CAS 129531 - 12-0).
  • Especially preferred safeners C are benoxacor, cloquintocet, cyprosulfamide, dichlormid, fenchlorazole, fenclorim, flurazole, fluxofenim, furilazole, isoxadifen, mefenpyr, naphthalic anhydride, oxabetrinil, 4-(dichloroacetyl)-1 -oxa-4-azaspiro[4.5]decane (MON4660, CAS 71526-07-3), 2,2,5-trimethyl-3-(dichloroacetyl)-1 ,3-oxazolidine (R- 29148, CAS 52836-31 -4) and N-(2-Methoxybenzoyl)-4- [(methylaminocarbonyl)amino]benzenesulfonamide (CAS 129531 -12-0).
  • Particularly preferred safeners C are benoxacor, cloquintocet, cyprosulfamide, dichlor- mid, fenchlorazole, fenclorim, furilazole, isoxadifen, mefenpyr, naphtalic anhydride, 4- (dichloroacetyl)-1 -oxa-4-azaspiro[4.5]decane (MON4660, CAS 71526-07-3), 2,2,5- trimethyl-3-(dichloroacetyl)-1 ,3-oxazolidine (R-29148, CAS 52836-31 -4) and N-(2- Methoxybenzoyl)-4-[(methylaminocarbonyl)amino]benzenesulfonamide (CAS 129531 - 12-0).
  • the active compounds B of groups b1 ) to b15) and the active compounds C are known herbicides and safeners, see, for example, The Compendium of Pesticide Common Names (http://www.alanwood.net/pesticides/); Farm Chemicals Handbook 2000 volume 86, Meister Publishing Company, 2000; B. Hock, C. Fedtke, R. R. Schmidt, Her- bizide [Herbicides], Georg Thieme Verlag, Stuttgart 1995; W. H. Ahrens, Herbicide Handbook, 7th edition, Weed Science Society of America, 1994; and K. K. Hatzios, Herbicide Handbook, Supplement for the 7th edition, Weed Science Society of America, 1998.
  • the invention also relates to compositions in the form of a crop protection composition formulated as a 1 -component composition comprising an active compound combination comprising at least one benzoxazinone of the formula I and at least one further active compound, preferably selected from the active compounds of groups b1 to b15, and at least one solid or liquid carrier and/or one or more surfactants and, if desired, one or more further auxiliaries customary for crop protection compositions.
  • the invention also relates to compositions in the form of a crop protection composition formulated as a 2-component composition
  • a first component comprising at least one benzoxazinone of the formula I, a solid or liquid carrier and/or one or more surfactants and a second component comprising at least one further active compound selected from the active compounds of groups b1 to b15, a solid or liquid carrier and/or one or more surfactants, where additionally both components may also comprise further auxiliaries customary for crop protection compositions.
  • the weight ratio of the active compounds A:B is generally in the range of from 1 :1000 to 1000:1 , preferably in the range of from 1 :500 to 500:1 , in particular in the range of from 1 :250 to 250:1 and particularly preferably in the range of from 1 :75 to 75:1 .
  • the weight ratio of the active compounds A:C is generally in the range of from 1 : 1000 to 1000: 1 , preferably in the range of from 1 :500 to 500:1 , in particular in the range of from 1 :250 to 250:1 and particularly preferably in the range of from 1 :75 to 75: 1.
  • the relative parts by weight of the components A:B are generally in the range of from 1 :1000 to 1000:1 , preferably in the range of from 1 :500 to 500:1 , in particular in the range of from 1 :250 to 250:1 and particularly preferably in the range of from 1 :75 to 75:1 ;
  • the weight ratio of the components A:C is generally in the range of from 1 :1000 to 1000:1 , preferably in the range of from 1 :500 to 500:1 , in particular in the range of from 1 :250 to 250:1 and particularly preferably in the range of from 1 :75 to 75: 1 ;
  • the weight ratio of the components B:C is generally in the range of from 1 :1000 to 1000:1 , preferably in the range of from 1 :500 to 500:1 , in particular in the range of from 1 :250 to 250:1 and particularly preferably in the range of from 1 :75 to 75: 1
  • the weight ratio of the components B:C is generally in the range of from 1
  • the weight ratio of the components A + B to the component C is in the range of from 1 :500 to 500:1 , in par- ticular in the range of from 1 :250 to 250:1 and particularly preferably in the range of from 1 :75 to 75:1.
  • herbicides B are the herbicides B as defined above; in particular the herbicides B.1 - B.144 listed below in table B:
  • Herbicide B Herbicide B
  • Safeners C which, as component C, are constituent of the composition according to the invention are the safeners C as defined above; in particular the safeners C.1 - C.13 listed below in table C: Table C
  • compositions mentioned below comprising the compounds of formula I as defined and the substance(s) as defined in the respective row of table 1 ;
  • compositions 1 .1 to 1.2029 comprising the compound I and the substance(s) as defined in the respective row of table 1 :
  • Table 1 compositions 1 .1 to 1 .2029)

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Abstract

La présente invention concerne des composés de pyrazine substituée de la formule (I) ou de N-oxydes ou des sels adaptés en agriculture de ceux-ci, les variables dans la formule (I) étant définies comme indiqué dans la description. Les pyrazines substituées de formule (I) sont utiles en tant qu'herbicides.
PCT/EP2012/060600 2011-06-09 2012-06-05 Pyrazines substituées ayant une activité herbicide WO2012168241A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10294488B2 (en) 2012-12-18 2019-05-21 Basf Se Herbicide-metabolizing cytochrome P450 monooxygenases

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10294488B2 (en) 2012-12-18 2019-05-21 Basf Se Herbicide-metabolizing cytochrome P450 monooxygenases

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