New esters and amides and Esters of acids (5) - pyrimidine - il - tiolfosforico tionofosforico, Phosphoric, phosphonic tionotiolfosforico -, -, and - tionofosfonicos with insecticidal PropertiesCompositions and nematodicidas acaricides, insecticides, acaricides and nematodicidas based the same and Process for the production of these esters and amidasesteres

摘要

O-Alkyl-O-[pyrimidin(5)yl]-(thiono)(thiol)-phosphoric (phosphonic) acid ester or ester-amide of the formula IMAGE in which R is alkyl, R1 is alkyl, alkoxy, alkylthio, monoalkylamino or phenyl, R2 is hydrogen, alkyl or phenyl, R3 is hydrogen or alkyl, and X is oxygen or sulphur, which possess arthropodicidal and nematicidal properties.