The invention relates to a process for the preparation of obeticholic acid and derivatives thereof comprising: (a) hydrogenation of the double bond and reductive opening of the epoxide of a compound of formula (II) or a salt or solvate thereof to obtain a compound of formula (Ilia) and/or (lllb), or salts or solvates thereof and conversion of a compound of formula (Ilia) and/or a compound of formula (lllb), or a salt or solvate thereof, into a compound of formula (I), or a salt or solvate thereof.
该发明涉及一种用于制备obeticholic酸及其衍
生物的方法,包括:(a)氢化化合物的双键并还原开启环氧化合物的步骤,所述化合物的
化学式为(II)或其盐或溶剂合物,以获得化合物的
化学式为(IIia)和/或(IIib),或其盐或溶剂合物,并将化合物的
化学式为(IIia)和/或化合物的
化学式为(IIib),或其盐或溶剂合物,转化为化合物的
化学式为(I),或其盐或溶剂合物。