A process for producing geranylgeraniol is provided, which comprising the steps of subjecting a mixture of at least one ester derivative wherein one or more carbon-carbon double bonds in the molecule are in cis form represented by the general formula (1): ##STR1## wherein R represents an aromatic group which can be substituted with at least one substituent, or a higher aliphatic group having from 7 to 25 carbon atoms, and wavy lines, respectively, represent a state where each carbon-carbon double bond can be present in cis or trans form, and an ester derivative of the general formula (2): ##STR2## wherein R is as defined above, to crystallization to obtain the ester derivative of the formula (2) selectively, and hydrolyzing the thus obtained ester derivative.
提供了一种生产葛兰尼醇的方法,其包括以下步骤:将至少一种酯衍
生物混合物进行晶化,其中分子中的一个或多个碳-碳双键以顺式形式表示,该混合物由下式表示:##STR1##其中R表示可以被至少一个取代基取代的芳香基团,或具有7至25个碳原子的较高脂肪基团,波浪线分别表示每个碳-碳双键可以以顺式或反式形式存在,以及下式的酯衍
生物:##STR2##其中R如上所定义,以选择性地获得式(2)的酯衍
生物,并
水解所得的酯衍
生物。