The present invention relates to a novel method for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides, a useful precursor for the preparation of fungicides, by means of reductive dehalogenation, starting from N-alkyl-3-haloalkyl-5-halopyrazolecarbaldehyde.
本发明涉及一种新型制备1-烷基-3-氟烷基-1H-
吡唑-4-羰基
氯化物的方法,该方法通过还原脱卤反应,从N-烷基-3-卤烷基-5-卤代
吡唑甲醛出发制备,该化合物是制备杀菌剂的有用前体。