| 摘要 |
PROCESS FOR THE PREPARATION OF PHOSPHORIC ACID DERIVATIVES AND INTERMEDIATES The invention relates to a new process for the preparation of insecticidal pyrimidinylphosphoric acid derivatives of the general formula (I) (I) in which R stands for hydrogen, alkoxy, alkylamino, dialkylamino or for optionally substituted radicals from the series comprising alkyl, cycloalkyl, aralkyl and aryl, R1 stands for optionally substituted radicals from the series comprising alkyl, alkoxy, alkylthio, mono- or dialkylamino and phenyl, R2 stands for optionally substituted alkyl and Y stands for oxygen or sulphur, to new intermediate products and processes for their preparation. Le A 25 713 |
