O-PHENYLDITHIOPHOSPHONIC ACID ESTERS,PROCESSES FOR THEIR PREPARATION AND USE AS INSECTICIDES,ACARICIDES AND NEMATICIDES

摘要

O-Phenyl-thionothiolalkanephosphonic acid esters of the formula wherein R is alkyl, halogenoalkyl, alkenyl or alkynyl, R1 is alkyl, and R2, R3 and R4 each independently is hydrogen, halogen, cyano, alkyl, alkylthio, alkylsulphonyl, alkoxy, nitro, carbalkoxy or phenyl, which possess arthropodicidal and nematicidal properties.