[EN] STEROID 6.7.BETA.-EPOXIDES AS CHEMICAL INTERMEDIATES<br/>[FR] BÊTA-ÉPOXYDES DE STÉROÏDES 6.7 COMME INTERMÉDIAIRES CHIMIQUES
申请人:NZP UK LTD
公开号:WO2017199039A1
公开(公告)日:2017-11-23
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.