Pyridylacetic acid derivatives, process and intermediate products for their preparation and their use

摘要

PCT No. PCT/EP96/04576 Sec. 371 Date Apr. 23, 1998 Sec. 102(e) Date Apr. 23, 1998 PCT Filed Oct. 22, 1996 PCT Pub. No. WO97/16427 PCT Pub. Date May 9, 1997Pyridylacetic acids of the formula I wherein X is NOCH3, CHOCH3 and CHCH3; Y is oxygen or NRa; R is cyano, nitro, trifluoromethyl, halogen, alkyl and alkoxy; m is 0, 1 or 2; R1 is hydrogen or alkyl; R2, R3 and R4 are hydrogen, cyano, nitro, hydroxyl, amino, halogen, unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl and hetaryl, each of which is bonded directly or via -O-, -S- or -N-, R4 is furthermore CRd=NORe; or a salt thereof, processes and intermediates for their preparation and their use for controlling harmful fungi or pests.