4-[2-(Di- or trisubstitutedphenoxy)ethyl amino]thienodipyrimidines and insecticidal and acaricidal composition containing said pyrimidines

摘要

Compounds of formula (I): <IMAGE> (I) (in which R1, R2 and R6 represent hydrogen or methyl, R3 represents methyl or ethyl, R4 represents an alkyl group or allyl and R5 represents hydrogen, methyl or chlorine) and acid addition salts thereof have acaricidal and insecticidal activity and may be formulated with suitable carriers or diluents for agricultural, horticultural or domestic use. Processes for the preparation of these compounds are also disclosed.