Phenoxyalkanoyl derivatives and their use in plant protection

摘要

Compounds of the formula I <IMAGE> I in which R1, R2 and R3 independently of one another denote hydrogen, F, Cl, Br or (C1-C4)-alkyl, and R1 also denotes CF3, CN, NO2 or alkoxycarbonyl, A denotes a direct bond, -CH2-CH2- or -CH=CH-, X denotes O, S or N-R8, R4 denotes H or alkyl, R5 and R6 denote alkyl, R7 denotes alkyl, (substituted) benzyl and/or (substituted) phenethyl and R8 denotes H or alkyl or, together with NR7, denotes a heterocyclic ring, are active herbicides and antidotes.