Process for the synthesis of vitamin d compounds and intermediates for the synthesis of the compounds
申请人:Kashiwagi Hirotaka
公开号:US20070135394A1
公开(公告)日:2007-06-14
An object of the present invention is to provide a process for synthesizing a vitamin D compound by simple procedures at lower costs. The present invention provides a process for preparing a vitamin D compound and an intermediate thereof, comprising the step of: (a) mixing a ketone or aldehyde, a Wittig reagent, and a base; or (b) mixing a ketone or aldehyde and a Wittig reagent, and then adding a base to the resulting mixture.
本发明的一个目的是提供一种通过简单程序以更低成本合成维生素D化合物的方法。本发明提供了一种制备维生素D化合物及其中间体的方法,包括以下步骤:(a)混合酮或醛、威蒂格试剂和碱;或者(b)混合酮或醛和威蒂格试剂,然后向所得混合物中加入碱。