申请人:Zhejiang Hisun Pharmaceutical Co. Ltd.
公开号:EP1634870A1
公开(公告)日:2006-03-15
The invention relates to process for the selective preparation of 3-hydroxy-6-dialkoxyphosphoryl-5-oxo-hexanoic acid esters, comprising a first step, in which a methylphosphonic acid dialkylester is treated with a base, and a second step, in which the product of the primary reaction is reacted with an optionally 3-protected 3-hydroxy-1,5-pentanoic diacid ester.
本发明涉及选择性制备 3-hydroxy-6-dialkoxyphosphoryl-5-oxo-hexanoic acid esters 的工艺,包括第一步,用碱处理甲基膦酸二烷基酯,以及第二步,将主反应产物与选择性 3 保护的 3-hydroxy-1,5-pentanoic diacid ester 反应。