Progestationally active 19,11-bridged 4-estrenes

Details Progestationally active 19,11-bridged 4-estrenes Progestationally active 19,11-bridged 4-estrenes

1995-06-07

1997-12-30

Prior, Kimberly J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

514177, 514178, 514179, 514181, 514182, 540 8, 552510, 552511, 552513, 552514, C07J 7500, C07J 5300, A61K 3158, A61K 3156

Patent

active

057030669

ABSTRACT:
In this invention, the new etheno- and ethano-19,11-bridged 4-estrenes of general formula I ##STR1## are described, in which

REFERENCES:
patent: 5095129 (1992-03-01), Ottow et al.
patent: 5232915 (1993-08-01), Ottow et al.
patent: 5244886 (1993-09-01), Scholz et al.
patent: 5446178 (1995-08-01), Ottow et al.
patent: 5478956 (1995-12-01), Ottow et al.
patent: 5523298 (1996-06-01), Ottow et al.
CA110:95627 (DE 3708942 88/09/29) 1988.
CA114:122839 (EP 399632 90/11/28) 1990.
CA117:131437 (DE 4038128 92/06/04) 1992.

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