申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0440251A2
公开(公告)日:1991-08-07
An improved process for preparing an optically active 4-hydroxycyclopentenone of the formula:
wherein R is a lower alkyl, the symbol = means a double bond or triple bond, and the * marked carbon is an asymmetric carbon, and the corresponding racemic 4-hydroxycyclopentenone, which are useful as an intermediate for preparing medical or agricultural products, particularly pharmaceutically active prostaglandins, and intermediates for preparing the optically active and/or racemic 4-hydroxycyclopentenone.
一种制备具有光学活性的式 4-羟基环戊烯酮的改进工艺:
其中 R 为低级烷基,符号 = 表示双键或三键,标记为 * 的碳为不对称碳,以及相应的外消旋 4-羟基环戊烯酮,可用作制备医药或农产品,特别是具有药用活性的前列腺素的中间体,以及制备光学活性和/或外消旋 4-羟基环戊烯酮的中间体。