Pyrazole derivatives and process for producing the same, and pesticides containing the same as the active ingredient

摘要

A 1-aryl-3-cyano-5-heteroarylalkylaminopyrazole derivative of formula (I), wherein X represents N or C-halogen, R1 represents an alkyl group, an alkenyl group, an alkynyl group, or a haloalkyl group, R2 represents hydrogen atom, an alkyl group, or an acyl group, R3 represents hydrogen atom or an alkyl group, A represents any one of the groups represented by above A-1 to A-4, R4 represents hydrogen atom, an alkyl group, or a halogen atom, and n represents 0, 1, or 2, provided that R1 is a haloalkyl group except a perhaloalkyl group when A is A-1 and n is 0, and that n is not 0 when A is A-4.