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    • 2. 发明授权
    • Enantiomeric enrichment of bicyclic alcohols
    • 双环醇的对映体富集
    • US5726344A
    • 1998-03-10
    • US515153
    • 1995-08-15
    • J. Blair WestKeith DeVries
    • J. Blair WestKeith DeVries
    • C07C69/013C07C69/34
    • C07C69/013
    • There is disclosed a two-stage enzymatically catalyzed reaction for the selective preparation of the (R)-endo-isomer of norbornenol from a mixture containing all four stereo- and regioisomers of norbornenol, as well as the synthesis of the intermediate product comprising the enantiomerically enriched mono-ester of (R)-endo-norbornenol and a diacid, and of the enantiomerically enriched saturated alcohol (R)-endo-norborneol. There is also disclosed a method for the production of (R)-endo-norborne-2-ol, by chemical reduction of either the enantiomerically enriched monoester and subsequent hydrolysis, or by hydrolysis of the enantiomerically enriched monoester and then chemical reduction.
    • 公开了一种两步酶催化反应,用于从含有所有四种降冰片烯醇的立体异构体和区域异构体的混合物中选择性制备降冰片烯醇的(R) - 内酯异构体,以及包含对映异构体的中间产物的合成 (R) - 内降冰片烯醇和二酸的富集的单酯和对映异构体富集的饱和醇(R) - 内 - 去囟代醇。 还公开了通过化学还原对映异构体富集的单酯和随后的水解或通过水解对映异构体富集的单酯然后进行化学还原来制备(R) - 内 - 去甲代-2-醇的方法。