Process for preparing trione bis (oxime ether) derivatives and trione mono- and trione bis (oxime ether) derivatives obtained thereby

摘要

The present invention relates to a method for the production of trion-bis(oxime ether) derivatives of formula (I), wherein the substituents have the following meaning: R1, R3 represent unsubstituted, partially or totally halogenated C1-C6-alkyl or C3-C6-cycloalkyl; R2, R4 represent C1-C4-alkyl or a methyl substituted by C2-C4-alkenyl, C2-C4-alkinyl or phenyl and X represents oxygen or N-OH. The invention also relates to the intermediate products obtained with said method.