[EN] PROCESS FOR THE PRODUCTION OF 21-(ACETYLOXY)-17-(PROPIONYLOXY)-PREGN-4-ENE-3,20-DIONE<br/>[FR] PROCÉDÉ DE PRODUCTION DE 21-(ACÉTYLOXY)-17-(PROPIONYLOXY)-PRÉGN-4-ÈNE-3,20-DIONE
申请人:[en]INDUSTRIALE CHIMICA S.R.L.
公开号:WO2022084752A1
公开(公告)日:2022-04-28
The present invention relates to a process for the preparation of 21-(acetyloxy)-17-(1-oxopropoxy)-pregn-4-ene-3,20-dione (VI) having the formula below: Compound (VI) can be used as a precursor for the synthesis of Clascoterone, a steroid used for the treatment of acne.