Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
  • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
  • C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
• • 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

Definitions

• the present invention relates to new hetaroyl derivatives of the formula I.
• R 1 Hydrogen, nitro, halogen, cyano, rhodano, hydroxy, mercapto, -CC 6 -alkyl, -C-C 6 -haloalkyl, C ⁇ -C 6 -alkeny, C 2 -C fe -alkynyl, C ⁇ -C 6 - Alkoxy, C ⁇ C ⁇ -haloalkoxy, C 2 -C 6 alkenyloxy, C 2 -C 6 alkyloxy, Ci -C 6 alkylthio, C 1 -Ce haloalkylthio, C 2 -C 6 alkenylthio, Ci -C 6 -Alkinyi- thio, Ci-C ⁇ -alkylsulfinyl, Cj-C6 -Halogenalkylsulf ynyl, C 2 -C 6 'Alkenylsulf ynyl, C 2 -C 6
• Z is a component from the group Z 1 to Z 12 PC17EP97 / 04910
• R 11 are hydrogen, C 6 -alkyl, C 6 haloalkyl, C -C b alkenyl, C 3 -C 6 alkynyl, C ⁇ -C6 alkyl carbonyl, Cl-C6 haloalkylcarbonyl, - C0 2 R 12 ,
• R 12 are hydrogen, C 6 -alkyl, C 6 haloalkyl,
• C 3 -C 6 alkenyl, C 3 -C6 alkynyl or phenyl means, the latter radical being partially or completely halogenated and a DIS being able to carry three of the following radicals: nitro, cyano, hydroxy, Cj . -C alkyl, Ci -C 4 haloalkyl, C 1 -C 4 alkoxy, Ci -C 4 - haloalkoxy;
• R 14 is C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl or phenyl, where the latter substituent can optionally be partially or completely halogenated and can carry one to three of the following radicals:
• R 16 for hydrogen, -CC 6 alkyl or Ci -C 6 haloalkyl
• the invention relates to processes for the preparation of compounds of the formula I, compositions which contain them and the use of these derivatives or compositions containing them for controlling harmful plants.
• 2-Hetaroylpyrazoles are known from the literature, for example from WO 94/01431 and WO 93/18031.
• the hetaroyl derivatives of the formula I and their herbicidal activity have been found. Furthermore, herbicidal compositions were found which contain the compounds I and have a very good herbicidal action. In addition, processes for the preparation of these compositions and processes for controlling undesired vegetation using the compounds I were found.
• the compounds of the formula I can contain one or more chiral centers according to the substitution pattern and are then present as enantiomers or diastereomer mixtures.
• the invention relates both to the pure enantiomers or diastereomers and to their mixtures.
• formulations of the formula I can also be present in the form of their agriculturally useful salts, the type of salt generally not being important. Generally they come
• the alkali metals preferably lithium, sodium and potassium
• the alkaline earth metals preferably calcium and magnesium
• the transition metals preferably manganese, copper, zinc and iron, and ammonium
• the one or four C 1 -C if desired 4 alkyl substituents and / or a phenyl or benzyl substituent can carry, preferably diisopropylammonium, tetramethylammonium, tetrabutylammonium, tnmethylbenzylammonium, furthermore phosphomium ions, sulfonium ions, preferably Tn (Ci C 4 - alkyl) sulfomum una, preferably sulfoxomum C 4 alkyl) sulfoxonium, m consideration
• Anions of useful acid addition salts are primarily chloride, bromide, fluoride, hydrogen sulfate, sulfate, dihydrogen phosphate, hydrogen phosphate, nitrate, hydrogen carbonate, carbonate, hexafluorosilicate, hexafluorophosphate, benzoate and the anions of C 1 -C 4 -alkanic acids, preferably formate, Acetate, propionate and butyrate
• Ci -C 6 alkylcarbonyl Ci -C 6 alkylcarbonyl
• C -C 4 -alkyl, as mentioned above, and pentyl, 1-methylbutyl, 2 -methylbutyl, 3 -methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, hexyl, 1,1-dimethylpropyl, 1,2 -Dimethylpropyl, l-methylpentyl, 2 -methylpentyl, -methylpentyl, 4-methylpentyl, 1, 1 -dimethylbutyl, 1, 2 -dimethylbutyl, 1, -dimethylbutyl, 2, 2-dimethylbutyl, 2, 3 -dimethylbutyl , 3, 3 -dimethylbutyl, 1-ethylbutyl, 2 -ethylbutyl, 1, 1, 2-trimethylpropyl, 1-ethyl-1-methylpropyl and 1 -ethyl-3-methylpropyl, -
• C1.-C 4 -haloalkylcarbonyl a C x -C 4 -alkyl radical as mentioned above which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example chloromethyl, dichloromethyl, trichloroethyl, fluoromethyl, difluoro- methyl, trifluoromethyl, chlorofluoromethyl, dichlorofluoromethyl, chlorodifluoromethyl, 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-2-fluoro-ethyl, 2, 2, 2-trichloroethyl, pentafluoroethyl
• Ci -Ce alkoxy and the alkoxy parts in Ci - C alkoxycarbonyl ;; C 1 -C 4 -alkoxy as mentioned above, and pentoxy, 1-methylbutoxy, 2 -methylbutoxy, 3 -methoxylbutoxy,
• C x -C 4 haloalkoxy a Ci -C 4 alkoxy radical as mentioned above which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example fluoromethoxy, difluoromethoxy, trifluoromethoxy, chlorodifluoromethoxy, bromdi - fluoromethoxy, 2-fluoroethoxy, 2-chloroethoxy, 2-bromomethoxy, 2-iodoethoxy, 2, 2-difluoroethoxy, 2, 2-trifluoroethoxy, 2-chloro-2-fluoroethoxy, 2-chloro -2, 2-difluoroethoxy, 2,2-dichloro-2-fluoroethoxy, 2,2,2-trichloroethoxy, pentafluoroethoxy, 2-fluoropropoxy, 3-fluoropropoxy, 2-chloropropoxy, 3-chloropropoxy, 2-bromopropoxy, 3-brom
• Ci-C ⁇ -haloalkoxy C x -C 4 -haloalkoxy as mentioned above, and 5-fluoropentoxy, 5 -chloropentoxy, 5-bromopentoxy, 5-iodopentoxy, undecafluoropentoxy, 6 -fluorhexoxy, 6-chlorohexoxy, 6-bromhexoxy , 6-iodohexoxy and dodecafluorhexoxy;
• C 1 -C 4 -Alkylthio methylthio, ethylthio, propylthio, 1-methyl-ethylthio, butylthio, 1-methylpropylthio, 2-methylpropylthio and 1, 1-dimethylethylthio;
• Ci-C ⁇ - alkylthio Ci -C 4 -alkylthio as mentioned above, and pentylthio, 1-methylbutylthio, 2-methylbutylthio, 3-methylbutylthio, 2, 2-dimethylpropylthio, 1-ethylpropylthio, hexylthio, 1, 1-dimethylprop 1, 2-dimethylpropylthio, 1-methylpentylthio, 2-methylpentylthio, 3-methylpentylthio,
• Ci -C 4 haloalkylthio a Ci -C 4 alkylthio radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, ie 2.B. Fluoromethylthio, difluoromethylthio, trifluoromethylnio, chlorodifluoromethylthio, bromodifluoromethylthio, 2-fluoroethylthio, 2-chloroethylthio, 2-bromethylthio, 2 - iodoethylthio, 2,2-di-fluoroethylthio, 2, 2, 2-trifluoroethyl , 2-trichloro-ethylthio, 2-chloro-2-fluoroethylthio, 2-chloro-2, 2-difluoro-ethylthio, 2, 2-dichloro-2-fluoroethylthio, pentafluoroethy
• Ci -C & haloalkylthio C 1 -C 4 haloalkylthio as mentioned above, and 5-fluoropentylthio, 5-chloropentylthio, 5-bromopentylthio, 5-iodopentylthio, undecafluoropentylthio, 6-fluorhexylthio, 6-chlorohexylthio, 6-bromhexylthio -Iodo-hexylthio and dodecafluorhexylthio;
• Ci -C 6 alkylsulf inyl C 1 -C 4 alkylsulf inyl as mentioned above, as well as pentylsulf inyl, 1-methylbutylsulfinyl, 2-methyl-butylsulfinyl, 3-methylbutylsulfinyl, 2, 2-dimethylpropyl-sulfinyl, 1 - Ethyl propyl sulfinyl, 1, 1-dimethyl propyl sulfyl, 1, 2-dimethyl propyl sulfyl, hexyl sulfyl, 1-methylpentyl sulfinyl, 2 methylpentyl sulfinyl, 3 methylpentyl sulfinyl, 4-methylpentylsulfinyl, 1, 1-dimethylbutylsulfinyl, 1,2-dimethylbutylsulfinyl, 1, 3 -dimethyl
• Ci-C 4 -Halogenalkylsulfinyl -C-C 4 alkylsulfinyl as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, ie fluoromethylsulfinyl, difluoromethylsulfinyl, trifluoromethylsulf inyl, chlorodifluormethylsulf inyl, bromodifluoromethylsulf inyl, 2-fluoroethylsulf inyl, 2-chloroethylsulf inyl, 2-bromethylsulfinyl, 2 - iodoethylsulf inyl, 2, 2 -difluoromethylsulfinyl,
• Ci -C 4 -Halogenalkylsulfinyl Ci -C 4 -Halogenalkylsulfinyl as mentioned above, as well as 5-fluoropentylsulfinyl, 5-chloropentylsulfinyl, 5 -bromopentylsulfinyl, 5-iodopentylsulf inyl, undecafluoropentylsulfinyl, 6-fluorhexylsulfonyl, 6-chloro 6-bromhexylsulfinyl, 6-iodohexylsulfinyl and dodecafluorhexylsulfinyl;
• Ci-C ⁇ -alkylsulfonyl Ci -C 4 -alkylsulfonyl as mentioned above ⁇ , and pentylsulfonyl, 1-methylbutylsulfonyl, 2-methylbutylsulfonyl, 3-methylbutylsulfonyl, 2, 2-dimethylpropyl-sulfonyl, 1-ethyldimethylpropyl , 1, 2 -dimethylpropylsulfonyl, hexylsulfonyl, 1-methylpentylsulfonyl, 2 -methylpentylsulfonyl, 3 -methylpentylsulfonyl, 4-methylpentylsulfonyl, 1,1-dimethylbutylsulfonyl,
• Ci -C 4 haloalkylsulfonyl a C -C 4 alkylsulfonyl radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, that is fluoromethylsulfonyl, difluoromethylsulfonyl, trifluoromethylsulfonyl, chlorodifluoromethylsulfonyl, bromodif luormethylsulfonyl, 2 - fluoroethylsulfonyl, 2-chloroethylsulfonyl, 2-bromoethylsulfonyl, 2 - iodoethylsulfonyl, 2, 2 -difluoroethylsulfonyl,
• Ci -C 6 haloalkylsulfonyl C 1 -C 4 haloalkylsulfonyl as mentioned above, and 5 - fluoropentylsulfonyl, 5-chloropentylsulfonyl, 5-bromopentylsulfonyl, 5 - iodopentylsulfonyl, 6-fluorohexylsulfonyl, 6-bromhexylsulfonyl, 6 Didecaf luorhexylsulfonyl;
• C ⁇ -C 4 alkoxysulfonyl Me hoxysulfonyl, ethoxysuifonyl, propoxysulfonyl, 1-methylethoxysulfonyl, butoxysulfonyl, 1-methylpropoxysulfonyl, 2-methylpropoxysulfonyl and 1, 1-dimethylethoxysulfonyl;
• Ci-C ⁇ alkoxysulfonyl Ci-C 4 alkoxysulfonyl as mentioned above, and pentoxysulfonyl, 1-methylbutoxysulfonyl, 2-methylbutoxysulfonyl, 3-methylbutoxysulfonyl, 1, 1-dimethyl-propoxysulfonyl, 1, 2-dimethylpropoxysulfonyl, 2, 2-sulfonyl-propoxysulfonyl , Hexoxysulfonyl,
• Ci -C 4 haloalkoxysulfonyl a -C 4 alkoxysulfonyl radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example fluoromethoxysulfonyl, difluoromethoxysulfonyl, trif luo - methoxysulfonyl, chlorodifluormethoxysulfonyl Bromodif luor - ethoxysulfonyl, 2-fluoroethoxysulfonyl, 2-chloroethoxysulfonyl, 2-bromethoxysulfonyl, 2 - iodoethoxysulfonyl, 2, 2-difluorethoxysulfonyl, 2, 2, 2-trif luorethoxysulfonyl, 2-chlorosulfonyl, 2-chlorosulf
• Ci -Cf, -Halogenalkoxysulfonyl C 1 -C -Halogenalkoxysulfonyl as mentioned above, and 5-Fluoropentoxysulfonyl, 5 -Chlor - pentoxysulfonyl, 5 -Brompentoxysulfonyl, 5-Iodpentoxysulfonyl, Undecaf luorpentoxysulfonyl, 6-fluoroxysulfonyl, 6-fluoroxysulfonyl -Bromhexoxysulfonyl, 6 - iodohexoxysulfonyl and dodecafluorohexoxysulfonyl;
• C 3 -C 4 alkenyl and the alkenyl parts of C 3 -C alkenyloxy, C 3 -C 4 alkenylthio, C 3 -C 4 alkenylsulfonyl, C 3 -C 4 alkenylsulfonyl, C 3 -C 4- alkenyloxysulfonyl: prop-1 -en- 1-yl, prop-2-en-1-yl, 1-methylethenyl, buten-1-yl, buten-2-yl,
• Buten-3-yl 1-methyl-prop-1-1-yl, 2-methyl-prop-1-1-yl, 1-methyl-prop-2-en-1-yl and 2 - Methyl-prop-2 -en-1 -yl;
• C 2 -C alkenyl and the alkenyl parts of C -C 4 alkenyloxy, C 2 -C 4 alkenylthio, C 2 -C 4 alkenylsulfonyl, C -C 4 alkenylsulfonyl, C 2 -C 4 - Alkenyloxysulfonyl: C 3 -C -alkenyl as mentioned above, and ethenyi; C -C6 alkenyl, and the alkenyl parts of C 3 -C ⁇ alkenyloxy, C 3 -C 6 alkenylthio, C 3 -C 6 alkenylsulfonyl, C 2 -C 6 lkenylsulfonyl, C 3 -C 6 Alkenyloxysulfonyl: C 3 -C 4 alkenyl as mentioned above, and penten-1-yl, penten-2-yl, penten-3-yl, penten-4-y
• C -C 6 -alkynyl and the alkynyl radicals of C -C east alkynyloxy, C 3 -Ce alkynyl thio, C 3 -C 6 -Alkinyl ⁇ ulf ynyl, C 3 -C 6 -Alkinylsul- fonyl, C 3 -C ⁇ - Alkynyloxysulfonyl: C -C 4 -alkynyl as mentioned above, and pent-1-in-1-yl, pent-1-in-3-yl, pent-1-in-4-yl, pent-1-in-5 -yl, pent-2-in-l-yl,
• Pent-2-yn-4-yl pent-2-yn-5-yl, 3-methyl-but-l-yn-3-yl, 3-methyl-but-l-yn-4-yl, hex 1-in-l-yl, hex-l-in-3-yl, hex-l-in-4-yl, hex-l-in-5-yl, hex-l-in-6-yl, hex 2-in-l-yl, hex-2-in-4-yl, hex-2-in-5-yi, hex-2-in-6-yl, hex-3-in-l-yl, hex 3-in-2-yl, 3-methyl-pent-1-in-1-yl, 3-methyl-pent-1-in-3-yl, 3-methyl-pent-1-in-4-yl, 3-methyl-pent-l-in-5-yl, 4-methyl-pent-1-in-l-yl, 4-methyl-pent-2-in-4-yl and
• All phenyl rings are preferably unsubstituted or carry one to three halogen atoms and / or a nitro group, a cyano radical, a methyl, trifluoromethyl, methoxy or trifluoromethoxy substituent.
• the variables preferably have the following meanings, in each case individually or in combination:
• R 1 nitro, halogen, hydroxy, C 1 -C 6 -alkyl, C x -C 6 -haloalkyl, C 1 -C 6 -alkoxy, C 1 -C 6 -haloalkoxy, C 1 -C 6 -alkylsulfonyl, C 1 -C 6 -haloalkylsulfonyl or phenyl, where the latter radical is unsubstituted or can carry one to three halogen atoms and / or a nitro group, a cyano radical, a methyl, trifluoromethyl, methoxy or trifluoromethoxy substituent, particularly preferably nitro, fluorine, chlorine, bromine, hydroxy, methyl, Ethyl, trifluoromethyl, methoxy, ethoxy, difluoromethoxy, trifluoromethoxy, methylsulfonyl, ethylsulfonyl, trifluoromethyls
• R 2 is hydrogen, halogen or -CC 6 alkyl; particularly preferably hydrogen, chlorine, bromine or methyl;
• R 3 , R 5 , R 7 , R 9 are hydrogen, halogen, C 1 -C 4 alkyl, C x -C 4 haloalkyl, Ci-Cj alkoxy, C 1 -C haloalkoxy, C 1 -C 4 - Alkylthio, -CC 4 -haloalkylthio, nitro, cyano, hydroxy, mercapto, C 2 -C 4 alkenyl, C 2 -C 4 alkynyl, C 2 -C 4 alkenyloxy, C 2 -C 4 alkynyloxy , C 2 -C 4 alkenylthio, C 2 -C 4 alkynylthio, -C-C 4 alkyl sulfinyl, C 1 -C 4 haloalkylsulfinyl, C -C 4 alkenylsulfinyl, C 2 -C 4 alkynyl sulfonyl
• R 4 , R 6 , R ö , R 10 are hydrogen, halogen or -CC 4 alkyl; particularly preferably hydrogen, fluorine, chlorine, methyl or ethyl; particularly preferably hydrogen;
• R 11 are hydrogen, C 6 -alkyl, C 6 haloalkyl, C ⁇ -C6 alkyl carbonyl, Ci-C ⁇ -haloalkylcarbonyl, Ci - ⁇ alkylsulfonyl,
• C 1 -C 4 alkyl radical may be substituted; particularly preferably methyl, ethyl, difluoromethyl, trifluoromethyl, methylcarbonyl, ethylcarbonyl, isopropylcarbonyl, Trifluoromethylcarbonyl, methylsulfonyl, trifluoromethylsulfonyl, phenylsulfonyl or 4-methylphenylsulfonyl;
• R 12 is hydrogen or Ci -C 6 alkyl; particularly preferably hydrogen, methyl or ethyl;
• R 13 hydrogen, C ! -C 6 -alkyl, C 6 alkoxy, C 3 -C 6 alkenyloxy or C 3 -C 6 alkynyloxy; particularly preferably methyl, ethyl, methoxy, ethoxy, 2-prope-1-yloxy, 2-propin-1-yloxy or 1-methyl-2-propin-1-yloxy;
• R 14 -CC 6 alkyl or Ci -C fe haloalkyl particularly preferably methyl, ethyl, propyl, isopropyl, butyl or isobutyl;
• R 15 are hydrogen, C 6 alkyl, Ci-C6 haloalkyl, C ⁇ -C6 alkyl carbonyl, Cl-C6 haloalkylcarbonyl, Ci-C6 alkoxycarbonyl, C ⁇ -C 6 alkylsulfonyl, Ci - C ⁇ -haloalkylsulfonyl, phenylcarbonyl, phenoxycarbonyl or phenylsulfonyl, where the three latter substituents can optionally be partially or completely halogenated and can carry one to three of the following radicals:
• R 16 is hydrogen, Ci-C ⁇ -alkyl or Ci -C ⁇ -haloalkyl; particularly preferably hydrogen, methyl, ethyl or trif luormethyl.
• variable Z having the meaning Z 1 , z 2 , Z 11 or Z 12 , in particular the meaning Z 1 or Z 2 .
• variable Z is Z 3 , Z 4 , Z 5 , Z 6 , Z 7 or Z 8 , in particular the meaning Z 3 , Z 5 , Z 6 , Z 7 or Z s , Has.
• Rl O- the compounds Ia '58.001 - Ia' 58.211, which differ from the compounds Ial .001 -Ial .211 in that R X4 is ethyl, R iB is ethylsulfonyl and R is methyl and that it is the N-oxide (Z Z 11 ):
• the compounds Ib28.01 - Ib28.21 which differ from the compounds Ibl .01 - Ibl.21 in that o 1 is ethyl and R i5 is n-butylsulfonyl:
• the compounds Ib51.01- Ib51.21 which differ from the compounds Ibl .001 -Ibl .211 in that R 15 is n-butylcarbonyl and R i6 is methyl:
• connections Ic26.01-Ic26. 4 which differ from the compounds Icl .01-Icl .44 in that R i4 is ethyl and R i5 is n-propylsulfonyl:
• the compounds Ic40.01- Ic40.44 which differ from the compounds Icl .01- Icl. 4 distinguish in that R u , R 15 are ethyl and R 16 are methyl:
• connections Ic6 .01- Ic64. 4 which differ from the compounds Icl .01-Icl .44 in that R 14 is ethyl, R 15 is trifluoromethylsulfonyl and R i6 is methyl:
• Connections Icl .01 - Icl. 4 distinguish in that R i5 is phenylsulfonyl and R i 6 is methyl:
• R l R 3 the compounds Id4.01 - Id4.91, which differ from the compounds Idl.01 -Idl.91 in that R 14 is ethyl and R 15 is methyl:
• Rl R 3 the connections Id7.01 -Id7.91, which differ from the corresponding connections Idl.01-Idl. Distinguish 1 in that R 1S stands for n-propyl:
• Rl R 3 the compounds Id40.01- Id40.91, which differ from the compounds Idl .01 - Idl .91 in that R 14 , R i5 are ethyl and R 16 are methyl:
• R l R 3 the compounds Id43.01- Id43.91, which differ from the compounds Idl .01- Idl.91 in that R i5 is n-butyl and R 16 is methyl:
• the compounds Id58.01- Id58.91 which differ from the compounds Idl .01 - Idl .91 in that R u is ethyl, R 15 is ethylsulfonyl and R L6 is methyl:
• hetaroyl derivatives of the formula I can be obtained in various ways, for example by the following process:
• Li stands for a nucleophilically displaceable leaving group, such as halogen e.g. Bromine, chlorine, heterocyclyl, e.g. Imidazolyl, pyridyl, carboxylate, e.g. Acetate, trifluoroacetate etc.
• halogen e.g. Bromine, chlorine, heterocyclyl, e.g. Imidazolyl, pyridyl, carboxylate, e.g. Acetate, trifluoroacetate etc.
• the activated hetaroyl carboxylic acid can be used directly, as in the case of the hetaroyl halides, or generated in situ, e.g. with dicyclohexylcarbodiimide, triphenylphosphine / azodicarboxylic acid ester, 2-pyridine disulfite / triphenylphosphine, carbonyldiidazole etc.
• auxiliary base it may be advantageous to carry out the acylation reaction in the presence of a base.
• the reactants and the auxiliary base are expediently used in equimolar amounts.
• a small excess of the auxiliary base for example 1.2 to 1.5 molar equivalents, based on II, can be advantageous under certain circumstances.
• Tertiary alkyl amines, pyridine or alkali metal carbonates are suitable as auxiliary bases.
• a solvent e.g. chlorinated hydrocarbons, such as methylene chloride, 1,2-dichloroethane, aromatic hydrocarbons, such as toluene, xylene, chlorobenzene, ethers, such as diethyl ether, methyl tert. -butyl ether, tetrahydrofuran, dioxane, polar aprotic solvents such as acetonitrile, dimethylformamide, dimethyl sulfoxide or esters such as ethyl acetate or mixtures thereof can be used.
• carboxylic acid halides are used as the activated carboxylic acid component, it may be expedient to cool the reaction mixture to 0-10 ° C. when adding this reaction partner. The mixture is then stirred at 20-100 ° C., preferably at 25-50 ° C., until the reaction is complete. The processing takes place in the usual way, e.g. the reaction mixture is poured onto water and the product of value is extracted. Methylene chloride, diethyl ether and ethyl acetate are particularly suitable as solvents for this. After drying the organic phase and removing the solvent, the crude ester can be used for rearrangement without further purification.
• the rearrangement of the esters to the compounds of the formula I is advantageously carried out at from 20 to 40 ° C. in a solvent and in the presence of an auxiliary base and, if appropriate, using a cyano compound as catalyst.
• 1,2-dichloroethane, dioxane, ethyl acetate, toluene or mixtures thereof can be used.
• Preferred solvents are acetonitrile and dioxane.
• Suitable auxiliary bases are tertiary amines such as triethylamine, pyridine or alkali carbonates such as sodium carbonate, potassium carbonate, which are preferably used in equimolar amounts or up to a fourfold excess, based on the ester.
• Triethylamine or alkali carbonates are preferably used, preferably in a double equimolar ratio with respect to the ester.
• Inorganic cyanides such as sodium cyanide, potassium cyanide and organic cyano compounds such as acetone cyanohydrin and trimethylsilyl cyanide are suitable as the “rearrangement catalyst”. They are used in an amount of 1 to 50 mole percent, based on the ester. Acetone cyanohydrin or trimethyl silyl cyanide, for example in an amount of 5 to 15, preferably 10 mol percent, based on the ester.
• the reaction mixture is z.3. with dilute mineral acid, such as
• L 2 stands for a nucleophilically displaceable leaving group, such as halogen, for example bromine, chlorine, heterocyclyl, for example imidazolyl, pyridyl, carboxylate, for example acetate, tri-luoroacetate, sulfonate, for example mesylate, triflate etc.
• halogen for example bromine, chlorine, heterocyclyl, for example imidazolyl, pyridyl, carboxylate, for example acetate, tri-luoroacetate, sulfonate, for example mesylate, triflate etc.
• the compounds of the formula IV can be used directly, for example in the case of the alkyl halides, carboxylic acid halides, sulfonic acid halides, carboxylic acid anhydrides and sulfonic acid anhydrides, or can be generated in situ, for example activated carboxylic acids (by means of carboxylic acid and dicyclohexylcarbodiimide, carbonyldiimidazole etc.).
• the starting compounds are generally used in an equimolar ratio. However, it can also be advantageous to use one or the other component in excess.
• auxiliary base it may be advantageous to carry out the reaction in the presence of a base.
• the reactants and the auxiliary base are expediently used in equimolar amounts.
• An excess of the auxiliary base e.g. 1.5 to 3 molar equivalents, based on II, can be advantageous under certain circumstances.
• Suitable auxiliary bases are tertiary alkyl amines such as triethylamine, pyridine, alkali metal carbonates, e.g. Sodium carbonate, potassium carbonate and alkali metal hydrides, e.g. Sodium hydride. Triethylamine and pyridine are preferably used.
• solvents examples include chlorinated hydrocarbons such as methylene chloride, 1,2-dichloroethane, aromatic hydrocarbons, e.g. Toluene, xylene, chlorobenzene, ethers such as diethyl ether, methyl tert. -butyl ether, tetrahydrofuran, dioxane, polar aprotic solvents such as acetonitrile, dimethylformamide, dimethyl sulfoxide or esters such as ethyl acetate, or mixtures thereof.
• chlorinated hydrocarbons such as methylene chloride, 1,2-dichloroethane
• aromatic hydrocarbons e.g. Toluene, xylene, chlorobenzene
• ethers such as diethyl ether, methyl tert. -butyl ether, tetrahydrofuran, dioxane
• polar aprotic solvents such as aceton
• reaction temperature is in the range from 0 ° C. to the boiling point of the reaction mixture.
• the product can be worked up in a manner known per se.
• hydroxypyrazoles of the formula used as starting materials II are known or can be prepared by known per se ⁇ th process are prepared (for example EP-A 240 001, J. Prakt. Chem. 315, 383 (1973)).
• halogenating reagents such as thionyl chloride, thionyl bromide, phosgene, diphosgene, triphosgene, oxalyl chloride and oxalyl bromide become.
• the carboxylic acids of the formula Illb are known per se or can be prepared in a manner known per se (The Cheistry of Heterocyclic Compounds, Vol. 32, "Quinolines, Part I, II and III", editor E.
• optionally substituted aminobenzoic acids can be converted to the corresponding quinolinecarboxylic acids by reaction with glycerol, optionally substituted glycerol derivatives or ⁇ . ⁇ -unsaturated carbonyl compounds according to Skraup (cf. EP-A 294 685, DE-A 33 26 225) (Scheme 1)
• Nicr.t anilines known from the literature can be obtained by reduction from the corresponding nitrobenzenes.
• ⁇ analytical hydrogenation such as Raney nickel, Pt / C, Pd / C, Rh / C or also reduction with iron powder, zinc powder etc. in a mixture of org.
• Acid e.g. Acetic acid, propionic acid and protic solvents such as methanol, ethanol or water.
• the itrobenzenes can be built up by nitration, substitution reactions etc.
• Scheme 3 shows an example of a synthesis sequence.
• Isochmoline carboxylic acids can be built up, for example, from halogenated isochmolines, subsequent halogen / cyamd exchange (Chem. 3er. 1919, 52, 1749) and subsequent saponification. (Scheme 4)
• Halogenated or nitrated isoquinolines can be prepared according to EP-A 633 262. It is also possible to obtain halogenated isoquinolines starting from optionally substituted benzaldehydes by reaction with aminoacetaldehyde acetal and subsequent halogenation (Helv. Chim. Acta 1985, 68, 1828) (Scheme 6).
• N-oxides of quinoline or isoquinoline carboxylic acids can be obtained from the corresponding quinoline or isoquinoline carboxylic acids by oxidation with hydrogen peroxide. It may be advantageous to first convert the corresponding acids into the Ci-C ⁇ -alkyl ester, the oxidation with hydrogen per
• 2,3-dihydroquinoline derivatives can include by cyclization of ⁇ -functionalized, N-alkylanilines, optionally with the aid of Lewis or protonic acids (Heterocycles 1986, 24, 20 2109; J. Am. Chem. Soc. 1949, 71, 1901).
• Tetrahydroisoquinoline derivatives can be obtained from isoquinolines by reduction with hydrogen, optionally with metal catalysis, e.g. of Pt in acetic acid. However, it is also possible to react isoquinolines with dimethyl sulfate and convert them into tetrahydroisoquinoline derivatives by reduction with sodium boranate.
• the compounds of the formula IV are known from the literature or can be prepared 30 m analogously to known processes.
• Step 2 5-Hydroxy-1-methyl-4 - [(8-methylquinoline-5-yl) carbonyl] pyrazole
• Step 1 3 -Nitro -4 - thiomethylbenzoic acid
• Stage 1 5 -Amino -8 -bromoquinoline 10.0 g of 8-bromo-5-nitroquinoline in 68 ml of glacial acetic acid and 34 ml of ethanol were added dropwise to a mixture of 7.75 g of iron powder, 18 ml of glacial acetic acid and 9 ml of ethanol . After stirring at the reflux temperature for 45 minutes, the mixture was cooled and filtered through diatomaceous earth. The filtrate was concentrated, taken up in methylene chloride, washed with sodium carbonate solution, dried and concentrated.
• Stage 3 8-bromoquinoline-5-carboxylic acid At 150 ° C., 5.0 g of 8-bromo-5-cyanoquinoline were added in portions to 10.10 g of 75% strength sulfuric acid. After one hour the reaction mixture was cooled, poured onto ice water and extracted with ethyl acetate. The organic phase was dried and concentrated.
• Step 1 N- (2-cyanoethyl) -3-aminobenzoic acid
• Step 1 8 -methyl -1, 2, 3, 4 - tetrahydroquinoline-5-carboxylic acid
• Stage 2 1, 8-dimethyl -1, 2, 3, 4 -tetrahydroquinoline -5-carboxylic acid To 5 mmol 8-methyl -1, 2, 3, 4 - tetrahydroquinoline-5-caronic acid and 50 mmol paraformaldehyde in 30 24 mmol sodium cyanoborohydride were added to ml of glacial acetic acid, the temperature being kept below 30 ° C. in an ice bath. After stirring at room temperature for 15 hours, the mixture was poured onto ice and adjusted to pH 4 using sodium hydroxide solution. The mixture was then extracted with ethyl acetate, the organic phase washed with water, dried over sodium sulfate and concentrated. Yield: 0.75 g of colorless crystals
• the compounds of the formula I and their agriculturally brewable salts are suitable - both as isomer mixtures and in the form of the pure isomers - as herbicides.
• the herbicidal compositions containing the compounds of the formula I control vegetation very well on non-cultivated areas, especially when high amounts are applied. In crops such as wheat, rice, corn, 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 of the formula I or herbicidal compositions comprising them can also be used in a further number of crop plants for eliminating undesired plants.
• the following crops are suitable: Allium cepa, pineapple comosus, Arachis hypogaea, Asparagus officinalis, Beta vulgaris spec. altissima, Beta vulgaris spec. rapa, Brassica napus var. napus, Brassica napus var. napobrassica, Brassica rapa var.
• the compounds of the formula I can also be used in crops which are tolerant to the action of herbicides by breeding, including genetic engineering methods.
• the compounds of formula I or the herbicidal compositions containing them can be sprayed, 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 , Atomizing, dusting, scattering or pouring can be used.
• 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 also coal tar oils as well as 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.
• Paraffins etrahydronaphthalene
• 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.
• 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 an oil or solvent can be homogenized in water by means of 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.
• the surfactants are the alkali, alkaline earth, ammonium salts of aromatic sulfonic acids, for example lignin, phenol, naphthalene and dibutylnaphthalenesulfonic acid, as well as fatty acids, alkyl and alkylarylsulfonates, alkyl, lauryl ether and fatty alcohol sulfates, and salts of sulfated hexa-, hepta- and octadecanols as well as fatty alcohol glycol ethers, condensation products of sulfonated naphthalene and its derivatives with formaldehyde, condensation products of naphthalene and the naphthalenesulfonic acids and formaldehyde, polyoxyethylene octylphenol ether, ethoxylated isooctyl, octyl or nonylphenol, alkylphenyl, tribut
• Powders, materials for broadcasting and dusts can be prepared by mixing or grinding the active substances together with a solid carrier.
• Granules e.g. U granulation, impregnation and homogeneous granules can be prepared by binding the active ingredients to solid carriers.
• Solid carrier materials are mineral earths such as silica, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bolus, loess, clay, dolomite, diatomaceous earth, calcium and magnesium sulfate, magnesium oxide, ground plastics, fertilizers such as ammonium sulfate, ammonium phosphate, Ammonium nitrate, ureas and vegetable products such as corn flour, tree bark, wood and nutshell flour, cellulose powder or other solid carriers.
• mineral earths such as silica, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bolus, loess, clay, dolomite, diatomaceous earth, calcium and magnesium sulfate, magnesium oxide, ground plastics, fertilizers such as am
• the concentrations of the compounds of formula I in the ready preparations can be in wide ranges riiert va ⁇ .
• the formulations contain from about 0.001 to 98% by weight, preferably 0.01 to 95% by weight, of at least one active ingredient.
• the active ingredients are used in a purity of 90% to 100%, preferably 95% to 100% (according to the NMR spectrum).
• the active compounds of the formula 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 of formula 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 hetaroyl derivatives of the formula I can be mixed with numerous representatives of other herbicidal or growth-regulating active compound groups and applied together.
• 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 0.125 and 0.0625 kg / ha a.S. (active substance).
• the plants were kept in a species-specific manner at temperatures of 10 to 25 ° C and 20 to 35 ° C. The trial period lasted 2 to 4 weeks. During this time, the plants were cared for and their response to each treatment 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:

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