Phthalamide derivatives, intermediates for their preparation and their use

摘要

Heterocyclic amine derivatives represented by general formula (I): wherein R<1>, R<2> and R<3> represent each H, optionally halogenated C3-6 cycloalkyl, etc.; Q represents an optionally substituted heterocycle containing O, S or N; X represents halogeno, cyano, halo(C1-6)alkyl, etc.; n is from 1 to 4; and Z<1> and Z<2> represent each O or S; and intermediates thereof represented by the following general formula (IV'): Q'-NH2 wherein Q' represents a definite heterocycle selected from among those represented by Q. Agricultural/horticultural insecticides having a remarkable effect of controlling pest insects of crops such as rice, fruit trees and vegetables, as well as various agricultural, forestry, horticultural and stored grain pest insects.