申请人:Cassella Aktiengesellschaft
公开号:US05508467A1
公开(公告)日:1996-04-16
The present invention relates to a process for the preparation of compounds of the general formula I ##STR1## by reaction of compounds of the general formula II ##STR2## with compounds of the general formula III ##STR3## in inert aprotic solvents in the presence of a base and subsequent rearrangement of the resulting intermediate compound with an alkali metal hydroxide, characterized in that the intermediate compound is not isolated.
本发明涉及一种制备一般式I的化合物的过程,通过将一般式II的化合物与一般式III的化合物在惰性无极性溶剂中在碱的存在下反应,并在得到的中间化合物与碱金属氢氧化物的后续重排反应中,其特征在于中间化合物不被分离。