The invention relates to a process for preparing a compound of general formula (Ia): wherein R2, Y, R4 and R5 are as defined herein. The invention also relates to certain compounds perse. The compounds are intermediates in the synthesis of synthetic bile acids.
该发明涉及一种制备一般式(Ia)化合物的过程:其中R2、Y、R4和R5如本文所定义。该发明还涉及特定化合物本身。这些化合物是合成
胆酸的中间体。