PROCESS FOR INTRODUCING A DOUBLE BOND INTO POSITION 15, 16 OF A STEROID
申请人:Moutou Jean-Luc
公开号:US20130137885A1
公开(公告)日:2013-05-30
The invention relates to a process for the preparation of a compound of formula
wherein R
1
and R
2
are as defined in the description, by reaction of a compound of formula (II)
with a base.
Compound (I) is an intermediate useful in the preparation of gestodene.
A PROCESS FOR INTRODUCING A DOUBLE BOND INTO POSITION 15,16 OF A STEROID
申请人:Laboratoire Theramex
公开号:EP2534165B1
公开(公告)日:2013-07-24
US4390530A
申请人:——
公开号:US4390530A
公开(公告)日:1983-06-28
US9012667B2
申请人:——
公开号:US9012667B2
公开(公告)日:2015-04-21
[EN] A PROCESS FOR INTRODUCING A DOUBLE BOND INTO POSITION 15,16 OF A STEROID<br/>[FR] PROCÉDÉ D'INTRODUCTION D'UNE DOUBLE LIAISON EN POSITIONS 15, 16 D'UN STÉROÏDE
申请人:THERAMEX
公开号:WO2011098439A2
公开(公告)日:2011-08-18
The invention relates to a process for the preparation of a compound of formula (I): wherein R1 and R2 are as defined in the description, by reaction of a compound of formula (II) with a base. Compound (I) is an intermediate useful in the preparation of gestodene.