| abstract |
The invention relates to a new process for the preparation of insecticidal pyrimidinylphosphoric acid derivatives of the general formula (I) <IMAGE> in which R represents hydrogen, alkoxy, alkylamino, dialkylamino or optionally substituted radicals from the series alkyl, cycloalkyl and aryl, R¹ represents optionally substituted Residues from the series alkyl, alkoxy, alkylthio, mono- or dialkylamino and phenyl, R² stands for optionally substituted alkyl and X stands for oxygen or sulfur, via several intermediates, as well as intermediates which can be used in these intermediates. |