3-Oxaestra-17-acetonitrile and unsaturated analogs, a process for their preparation and pharmaceutical compositions containing said compounds
申请人:G.D. Searle & Co.
公开号:EP0077040A1
公开(公告)日:1983-04-20
Compounds, useful as progestational agents, of the formula
wherein R, is:
(a) hydrogen;
(b) H2; or
(c) COOR2;
wherein R2 is:
(a) hydrogen
(b) alkyl of one to six carbon atoms, inclusive; or
(c) aralalkyl of four to thirteen carbon atoms, inclusive;
wherein R3 is:
(a) oxo;
(b) =NOH; or
(c) -OR4;
(d) -OC=O(R4)
wherein R4 is:
(a) hydrogen; or
(b) alkyl of one to six carbon atoms, inclusive; with the proviso that R, may not be hydrogen or H2 when R3 is oxo or when R3 is -O-Acetyl, a process for preparing them, and pharmaceutical compositions containing said compounds.