Method of preparation of ester derivatives of steroids
申请人:The Population Council, Center for Biomedical Research
公开号:US05710293A1
公开(公告)日:1998-01-20
The present invention relates to a method of using a perchloric acid catalyzed reaction to make acyl derivatives of norprogesterone compounds and, in particular, 16-methylene-17.alpha.-hydroxy-19-norpregn-4-ene-3,20-dione.
[EN] PREPARATION OF ESTER DERIVATIVES OF STEROIDS<br/>[FR] PREPARATION D'ESTERS DERIVES DE STEROÏDES
申请人:THE POPULATION COUNCIL, INC.
公开号:WO1997013779A1
公开(公告)日:1997-04-17
(EN) The present invention relates to a method of using a perchloric acid catalyzed reaction to make acyl derivatives of norprogesterone compounds and, in particular, 16-methylene-17$g(a)-hydroxy-19-norpregn-4-ene-3,20-dione.(FR) Un procédé permet d'utiliser une réaction catalysée par l'acide perchlorique pour produire des dérivés acyle de composés à base de norprogestérone, et en particulier 16-méthylène-17$g(a)-hydroxy-19-norprègne-5-ène-3,20-dione.