| abstract |
Substituted 2-arylpyridine of formula (I) and salts thereof. In said formula (I), R1 = SH, SO¿2?OH, SO2C1, SO2NH2, C1-C6-Alkylthio, C1-C6-Alkyl sulfinyl, C1-C6-alkylsulfonyl, C1-C6-alkylamino-sulfonyl, Di(C1-C6-alkyl)aminosulfonyl; R?2, R3¿ = H, halogen; R4 = H, C¿1?-C6-alkyl, C1-C6-halogenalkyl, cyano-C1-C6-alkyl, C1-C6-alkoxy, C1-C6-alkoxy-C1-C6-alkyl, C1-C4-halogen-alkoxy-C1-C4-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C6 alkyl sulfinyl-C1-C6-alkyl, C1-C6-alkylsulfonyl-C1-C6-alkyl, C1-C4-alkoxy-C1-C4-alkoxy-C1-C4-alkyl, C1-C6-alkoxycarbonyl-C1-C6-alkyl, C1-C3-alkoxy-C1-C3-alkoxycarbonyl-C1-C6-alkyl, C2-C4-alkenyloxy-C1-C4-alkyl, C3-C4-alkinyloxy-C1-C4-alkyl, C3-C7-cycloalkyl, C3-C7-cycloalkyl-C1-C6-alkyl, C3-C7-cycloalkyloxy-C1-C6-alkyl, C3-C7-cycloalkylthio-C1-C6-alkyl, C3-C8-alkenyl, C3-C8-alkinyl, C3-C8-halogenalkenyl, C3-C8-halogenalkinyl, C1-C6-alkoxy-C3-C8-alkenyl, C1-C6-alkoxy-C3-C8-alkinyl, C1-C6-alkylcarbonyl, C1-C6-alkylsulfonyl, C3-C6-alkenyloxy, C3-C6-alkinyloxy or eventually substituted benzyl; X = -O-, -S-, -NH-, -N(CH3)-, -CH2-; Y = chemical bond, -CO-, C(R?5,R6); R5,R6¿ = H, NO¿2?, CN, OCH3, SCH3, halogen, C1-C4-alkyl, C1-C4-halogenalkyl, C1-C4-alkoxycarbonyl, C2-C6-alkenyl, C3-C6-alkinyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl. Application as herbicide; for plant desiccation/defoliation. |