The present invention relates to an improved process for the preparation of 3α,7α-dihydroxy6α-ethyl-5β-cholan-24-oic acid compound of formula-1, represented by the following structural formula: Formula-1 The present invention also relates to process for the preparation of ethylene diamine and tertiary butyl amine salts of 3α,7α-dihydroxy6α-ethyl-5β-cholan-24-oic acid which are useful in the preparation of pure 3α,7α-dihydroxy6α-ethyl-5β-cholan-24-oic acid.
本发明涉及一种改进的制备3α,7α-二羟基-6α-乙基-5β-
胆酸-24-酸化合物的方法,该化合物的结构式如下所示:Formula-1。本发明还涉及一种制备
乙二胺和
叔丁胺盐的方法,这些盐对于制备纯的3α,7α-二羟基-6α-乙基-5β-
胆酸-24-酸非常有用。