申请人:KATAYAMA SEIYAKUSYO CO. Ltd.
公开号:EP0814073A1
公开(公告)日:1997-12-29
The present invention relates to a new method for obtaining a purity of about 93 % to 100 % of the trans form of 2- or 4-substituted cyclohexanecarboxylic acid or reactive derivatives thereof from the cis form or a mixture of the cis and trans forms by a single step, particularly, to a method for obtaining a purity of substantially 100 % of the trans form of 4-substituted cyclohexanecarboxylic acid.
本发明涉及一种从顺式或顺式和反式的混合物中一步获得纯度约为 93 % 至 100 % 的反式 2-或 4-取代环己烷羧酸或其反应衍生物的新方法,特别是涉及一种获得纯度基本为 100 % 的反式 4-取代环己烷羧酸的方法。