abstract |
IN WHICH R1 is lower alkyl, lower alkoxy or phenyl, R2 is lower alkyl, R is hydrogen, alkyl or phenyl, R'' is hydrogen or alkyl with 1 to 3 carbon atoms, and X is oxygen or sulfur, WHICH POSSESS INSECTICIDAL AND ACARICIDAL PROPERTIES. O-Alkyl-S-(carbamoyloxy-methyl)- (thiono) thiolphosphoric (phosphonic) acid esters of the formula |