PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE PPAR-ACTIVATING COMPOUND AND INTERMEDIATE OF THE SAME
申请人:Kowa Company, Ltd.
公开号:EP1852426A1
公开(公告)日:2007-11-07
A process for obtaining a compound (1) and an intermediate thereof in high yield and high optical yield is provided.
A process for producing a compound (4), the process including reacting a compound (2) with a compound (3) in the presence of a base; and a process for producing a compound (1), the process including reacting a compound (2) with a compound (3) in the presence of a base to yield a compound (4) and then deesterifying the compound (4).
wherein R represents an alkyl group having 1 to 6 carbon atoms or an aralkyl group having 7 to 8 carbon atoms.
本发明提供了一种以高产率和高光学产率获得化合物(1)及其中间体的工艺。
一种生产化合物(4)的工艺,该工艺包括在碱存在下使化合物(2)与化合物(3)反应;以及一种生产化合物(1)的工艺,该工艺包括在碱存在下使化合物(2)与化合物(3)反应生成化合物(4),然后对化合物(4)进行脱酯。
其中 R 代表具有 1 至 6 个碳原子的烷基或具有 7 至 8 个碳原子的芳烷基。