CARBOXYLIC ACID DERIVATIVES

摘要

Carboxylic acid derivatives of the general formula I <IMAGE> I where R1 and R2 are each C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy and/or C1-C4-alkylthio; R3 is hydrogen, hydroxyl, cyano, nitro, formyl, halogen, unsubstituted or substituted amino, C1-C4-alkyl, C1-C4-alkoxy, C3-C6-alkenyl, C3-C6-alkenyloxy, C3-C6-alkynyl or C3-C6-alkynyloxy; R4 is hydrogen or C1-C4-alkyl; R5 is unsubstituted or substituted five-membered hetaryl or isoxazolinyl or -CR6=NOR7; R6 is hydrogen or unsubstituted or substituted C1-C4-alkyl, C3-C8-cycloalkyl or phenyl; R7 is unsubstituted or substituted C1-C4-alkyl, C3-C6-alkenyl, C3-C8-cycloalkyl or phenyl; A is oxygen or sulfur; X is nitrogen or methine =CR8-; R8 is one of the radicals R3, or R8 and R3 together form unsubstituted or substituted 1,3-butadiene-1,4-yl or aza-1,3-butadiene-1,4-yl, and Y and Z are each nitrogen or methine =CH-, their preparation and agents containing them.