PROCEDIMIENTO PARA LA PREPARACION DE NUEVOS DERIVADOS DE ACIDOS (DI)-TIOFOSFORICOS Y FOSFONICOS.

摘要

Compounds of the formula I (I) in which R denotes alkyl, R1 denotes alkyl, alkoxy, alkylmercapto, alkylamino or dialkylamino, R2 and R3 independently of one another denote H, alkyl, cycloalkyl, benzyl or furylmethyl, R4 denotes alkyl, alkoxymethyl, alkylmercaptomethyl or phenyl and X denotes oxygen or sulfur, have valuable insecticidal, acaricidal and nematocidal properties.