| abstract |
Abstract of the Disclosure The present invention provides as new compounds the 2-cycloalkyl-pyrimidin-5-yl-(thiono)(thiol)-phosphoric (phosponic) acid esters and ester-amides of the general formula (I) in which R represents alkyl, R1 represents alkyl, alkoxy, alkylthio, alkylamino or phenyl, R2 represents hydrogen or alkyl, R3 represents cycloalkyl and X represents oxygen or sulphur. The new compounds of the formula (I) are distinguished by powerful insecticidal, scaricidal and nematicidal activity. |