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发明授权
CN105481925B 一种奥贝胆酸及其中间体的制备方法 有权 转让

一种奥贝胆酸及其中间体的制备方法
摘要：
本发明涉及一种奥贝胆酸及其中间体的制备方法，3α‑羟基‑6α‑乙基‑7‑酮基‑5β‑胆烷酸，通过3α‑羟基‑6‑亚乙基‑7‑酮基‑5β‑胆烷酸苄酯之类化合物在催化剂和供氢体作用下反应得到；所述催化剂选自Pd/C、PtO2或兰尼镍，所述供氢体选自环己烯、环己二烯或者四氢化萘。本方法收率高、立体选择性高、安全性好、反应条件温和，适合于工业化生产。
摘要（英）：

The invention relates to a preparation method for obeticholic acid and an intermediate thereof. The intermediate 3alpha-hydroxy-6alpha-ethyl-7-keto-5beta-cholanic acid is obtained by subjecting 3alpha-hydroxy-6-ethylidene-7-keto-5beta-cholanic acid benzyl ester compounds to a reaction under the action of a catalyst and a hydrogen donor. The catalyst is selected from Pd/C or PtO2 or Raney Ni. The hydrogen donor is selected from cyclohexene or cyclohexadiene or tetrahydronaphthalene. According to the method, the yield is high, the stereoselectivity is high, safety is good, the reaction condition is mild, and the method is applicable to industrial production.

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