Heteroaromatic compounds and crop protection agents containing them

摘要

Heteroaromatic compounds of the formulae IA and IB <IMAGE> IA <IMAGE> IB where the dashed line is a double bond between the carbon atom and a Z atom, and the index and the substituents have the following meanings: R1 alkyl, alkoxy, alkylamino R2 alkyl; A a direct bond; alkylene, alkenylene, alkynylene; O, S, S-oxides, N and alkylene derivatives or oxime radicals thereof B hydrogen, halogen, alkyl, alkenyl, alkynyl; cycloalkyl, cycloalkenyl, cycloalkynyl, heterocyclyl, aryl, hetaryl U CH2, CHCl, CHR2 or NOR2; X hydrogen, cyano, nitro, halogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, hetaryl; oxi- and thio derivatives thereof, carbonyl derivatives thereof, carbonyloxy derivatives thereof, amino derivatives thereof, oxime derivatives thereof, amino which may bear one or two of the abovementioned groups; m 1 or 2, Y oxygen or sulfur; Z1-Z2, Z3-Z4, together with the carbon atom to which they are bonded, are the radical of a heteroaromatic, and fungicides containing these compounds.