Combating pests with O-phenyl-thionothiolalkanephosphonic acid esters

摘要

O-Phenyl-thionothiolalkanephosphonic acid esters of the formula <IMAGE> 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.