Pesticidal O-{8 3-t-butylpyrazol-5-yl{9 phosphoric and thionophosphoric acid esters

摘要

O-[3-tert.-butyl-pyrazol(5)yl]-(thiono)(thiol)-phosphoric(phosphonic) acid esters and ester amides of the formula <IMAGE> in which R is hydrogen, alkyl, cyanoalkyl, or phenyl optionally carrying at least one halogen, halogenoalkyl, alkyl or alkylthio substituent, R1 is hydrogen, halogen, alkyl or alkylthio, R2 is alkoxy, alkyl or phenyl, R3 is alkoxy, alkylthio or monoalkylamino, and X is oxygen or sulphur, which possess arthropodicidal, nematicidal and fungicidal properties.