NEW (DI) THIOPHOSPHORIC AND PHOSPHONIC ACID DERIVATIVES AND THEIR USE IN PLANT PROTECTION

摘要

The novel compounds of the formula I in which IMAGE R is halogen, NO2 or alkyl, R1 is alkyl, where the C-1 position of the alkyl radical may be taken by an alkoxycarbonyl radical, or is phenyl, R2 is alkyl, alkoxy, alkylthio, phenyl, amino, monoalkylamino or dialkylamino, R3 is alkyl, alkoxy, alkylthio or mono- or dialkylamino, R4 is alkyl, X is O or S and n is 0 or 1, where R must not be in the ortho position relative to the -NR1- group, have advantageous insecticidal, acaricidal and nematocidal properties.