Substituted 2-phenylpyridines with herbicidal action

Details Substituted 2-phenylpyridines with herbicidal action Substituted 2-phenylpyridines with herbicidal action

C - Chemistry, Metallurgy

07

D

C07D 417/12 (2006.01) A01N 43/40 (2006.01) A01N 43/48 (2006.01) A01N 43/64 (2006.01) A01N 43/72 (2006.01) C07D 213/30 (2006.01) C07D 213/61 (2006.01) C07D 213/62 (2006.01) C07D 213/89 (2006.01) C07D 265/36 (2006.01) C07D 405/10 (2006.01) C07D 409/02 (2006.01) C07D 409/12 (2006.01) C07D 411/10 (2006.01) C07D 413/12 (2006.01) C07F 5/02 (2006.01)

Patent

CA 2167291

Substituted 2-phenylpyridines have formula (I) wherein R1, R3 = H halogen, alkyl, haloalkyl, alkoxyalkyl, alkoxy, alkoxyalkoxy, OH, haloalkoxy, alkylcarbonyloxy, haloalkylcarbonyloxy, SH, alkylthio, alkylsulfinyl, alkylsulfonyl, haloalkylthio, haloalkylsulfinyl, haloalkyl-sulfonyl, CHO, CN, CO2H, alkoxycarbonyl, alkoxyalkoxycarbonyl, haloalkoxycarbonyl, alkylcarbonyl, haloalkylcarbonyl, alkoxyalkyl-carbonyl, CONH2, alkylaminocarbonyl, dialkylaminocarbonyl, pyrrolidinylcarbonyl, piperidylcarbonyl, morpholinylcarbonyl, NO2, NH2, alkylamino, dialkylamino, pyrrolidinyl, piperidinyl, morpholinyl, alkylcarbonylamino haloalkylcarbonylamino, alkylsulfonylamino; R2 = halogen CN, NO2, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio; or R1 + R2 or R2 + R3 = trimethylene or tetramethylene chain; R4 = halogen, alkyl, haloalkyl, alkoxyalkyl, alkoxy, alkoxyalkoxy, OH haloalkoxy, alkylcarbonyloxy, haloalkylcarbonyloxy, SH, alkylthio, alkylsulfinyl, alkylsulfonyl, haloalkylthio haloalkylsulfinyl, haloalkylsulfonyl, CHO, CN, CO2H, alkoxycarbonyl, alkoxyalkoxy-carbonyl, haloalkoxycarbonyl, alkylcarbonyl, haloalkylcarbonyl, alkoxyalkylcarbonyl, NO2, NH2, alkylamino, dialkylamino, pyrrolidinyl, piperidinyl, morpholinyl, alkylcarbonylamino, haloalkylcarbonylamino, alkylsulfonylamino; R5 = hydrogen or halogen R6 = halogen, CN, NO2, OH, CF3, C1-C6-alkyl, C1-C4 alkoxy; R7 = various radicals; and the N- oxides of (I) and the agriculturally utilizable salts of (I) where these exist, excepting those compounds (I) where R2 is C1-C4-alkoxy and R1 and/or R3 is carboxyl or the salt, ester or amide thereof. Use: herbicides; desiccation/defoliation of plants.

Des phénylpyridines-2 substituées ont la formule (1), dans laquelle R<1>, R<3> désignent H, halogène, alkyle, haloalkyle, alcoxyalkyle, alcoxy, alcoxyalcoxy, OH, haloalcoxy, alkylcarbonyloxy, haloalkylcarbonyloxy, SH, alkylthio, alkylsulfinyle, alkylsulfonyle, haloalkylthio, haloalkylsulfinyle, haloalkylsulfonyle, CHO, CN, CO2H, alcoxycarbonyle, alcoxyalcoxycarbonyle, haloalcoxycarbonyle, alkylcarbonyle, haloalkylcarbonyle, alcoxyalkylcarbonyle, CONH2, alkylaminocarbonyle, dialkylaminocarbonyle, pyrrolidinylcarbonyle, pipéridylcarbonyle, morpholinylcarbonyle, NO2, NH2, alkylamino, dialkylamino, pyrrolidinyle, pipéridinyle, morpholinyle, alkylcarbonylamino, haloalkylcarbonylamino, alkylsulfonylamino; R<2> désigne halogène, CN, NO2, alkyle, haloalkyle, alcoxy, haloalcoxy, alkylthio, haloalkylthio; ou R<1> + R<2> ou R<2> + R<3> désignent une chaîne triméthylène ou tétraméthylène; R<4> désigne halogène, alkyle, haloalkyle, alcoxyalkyle, alcoxy, alcoxyalcoxy, OH, haloalcoxy, alkylcarbonyloxy, haloalkylcarbonyloxy, SH, alkylthio, alkylsulfinyle, alkylsulfonyle, haloalkylthio, haloalkylsulfinyle, haloalkylsulfonyle, CHO, CN, CO2H, alcoxycarbonyle, alcoxyalcoxycarbonyle, haloalcoxycarbonyle, alkylcarbonyle, haloalkylcarbonyle, alcoxyalkylcarbonyle, NO2, NH2, alkylamino, dialkylamino, pyrrolidinyle, pipéridinyle, morpholinyle, alkylcarbonylamino, haloalkylcarbonylamino, alkylsulfonylamino; R<5> désigne hydrogène ou halogène; R<6> désigne halogène, CN, NO2, OH, CF3, alkyle C1-C6, alcoxy C1-C4; R<7> désigne des radicaux divers. L'invention concerne également les oxydes N des composés (I) et leurs sels utilisables en agriculture, là où ils existent, à l'exception des composés (I) dans lesquels R<2> désigne alcoxy C1-C4 et R<1> et/ou R<3> désignent carboxyle ou bien le sel, l'ester ou l'amide de celui-ci. Utilisation comme herbicides et comme agents dessiccatifs/défoliants de plantes.

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