alpha-substrates benzyl heterocyclic derivatives, intermediates for producing the same and agrochemical composition containing the same as active ingredient

摘要

A compound represented by the formula (I):wherein R1 is an optionally substituted heterocyclic group; R2 is optionally substituted aryl or heterocyclic group; R3 is hydrogen, alkyl, alkenyl, or alkynyl; R4 is hydrogen, alkyl, alkoxy, halogen, nitro, cyano, or halogenated alkyl; M is oxygen, S(O)i wherein i is 0, 1, or 2, NR5 wherein R5 is hydrogen, alkyl, or acyl, -Q-N=C(R6)-, -B-C(R8)=N-, -CH=N-N=C(R9)-, or -CH=N-A-(CR10R11)m-; and n is 0, 1, or 2, an intermediate for producing the same and an agrochemical composition containing the same as an active ingredient.