PROCESS FOR THE PREPARATION OF 21-HYDROXY STEROIDS WITH CONTROL OF THE EPIMERIC DISTRIBUTION AT THE C-21 POSITION
申请人:INDUSTRIALE CHIMICA S.r.l.
公开号:EP1809649A1
公开(公告)日:2007-07-25
Process for the Preparation of 21-Hydroxy Steroids with Control of the Epimeric Distribution at the C-21 Position
申请人:Costantino Francesca
公开号:US20080114180A1
公开(公告)日:2008-05-15
A process is described for preparing, exclusively by chemical way, 21-hydroxy steroids having progestinic activity, said process having a high stereochemical control at C-21 position.
US7868194B2
申请人:——
公开号:US7868194B2
公开(公告)日:2011-01-11
[EN] PROCESS FOR THE PREPARATION OF 21-HYDROXY STEROIDS WITH CONTROL OF THE EPIMERIC DISTRIBUTION AT THE C-21 POSITION<br/>[FR] PROCEDE DE PREPARATION DE 21-HYDROXY STEROIDES AVEC COMMANDE DE LA DISTRIBUTION EPIMERIQUE AU NIVEAU DE LA POSITION C-21
申请人:IND CHIMICA SRL
公开号:WO2006045745A1
公开(公告)日:2006-05-04
[EN] A process is described for preparing, exclusively by chemical way, 21-hydroxy steroids having progestinic activity, said process having a high stereochemical control at C-21 position. [FR] L'invention concerne un procédé de préparation, exclusivement chimique, de 21-hydroxy stéroïdes possédant une activité progestinique, ce procédé possédant une commande stéréochimique élevée au niveau de la position C-21.