phenacillamine derivative or a salt thereof, its production process, nematicide, method of controlling nematodes and use of a phenicylamine derivative

摘要

"Phenacylamine derivatives, process for their production and pesticides containing them". The present invention relates to a phenacylamine derivative of formula (I) or a salt thereof: wherein a is alkyl, cycloalkyl, phenyl which may be substituted by y, pyridyl which may be substituted by y, or pyrazolyl. which may be substituted by y, r ~ 1 ~ and r ~ 2 ~ are each alkyl, or r ~ 1 ~ and r ~ 2 ~ may together form a saturated 3 to 6 membered carbocycle, r ~ 3 ~ is hydrogen, alkyl, alkoxyalkyl, alkylthioalkyl or color-4-, x is halogen, alkyl haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, alkoxy, haloalkoxy, alkenyloxy, haloalkenyloxy, alkynylthioalkylthioalkylthioalkylthioalkyl haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, dialkylaminosulfonyl, nitro, cyano, phenyl which may be substituted by y, phenoxy which may be substituted by y, benzyloxy which may be substituted by y, or pyridyloxy which may be s consisting of y, and n is an integer from 0 to 5.