申请人:KANKYO KAGAKU CENTER CO., LTD
公开号:EP0471498A2
公开(公告)日:1992-02-19
The present invention provides three optical resolution methods. The first aspect comprises the steps of adding an optically active bifunctional resolving reagent to a bifunctional compound to form a liquid material, precipitating crystals therefrom, treating the crystals and the liquid material separately with an acidic material, a basic material, or a basic material and an acidic material, to obtain a pair of enantiomers of an optically active bifunctional compound. The second aspect comprises an optical resolution method by which one necessary enantiomer of a pair of enantiomers in an optically active bifunctional compound is exclusively obtained. The third aspect comprises a method for racemizing one unnecessary enantiomer of a pair of enantiomers in an optically active bifunctional compound which is formed by the optical resolution method of the present invention.
本发明提供了三种光学解析方法。第一方面包括以下步骤:向双官能团化合物中加入光学活性双官能团解析试剂以形成液态物质,从中析出晶体,用酸性物质、碱性物质或碱性物质和酸性物质分别处理晶体和液态物质,以获得光学活性双官能团化合物的一对对映体。第二方面包括一种光学解析方法,通过该方法可以专门获得光学活性双官能团化合物中一对对映体中的一个必要对映体。第三方面包括一种将通过本发明的光学解析方法形成的光学活性双官能团化合物中的一对对映体中的一个不必要的对映体消旋化的方法。