Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1990-02-23
1992-09-22
Shah, Mukund J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
514182, 552540, 552548, 552554, 552558, 552598, 552610, 552626, 552646, 540107, 540108, 540 13, C07J 100, C07J 500, A61K 31565, A61K 3157
Patent
active
051496968
ABSTRACT:
Novel 19-nor-steroids of the formula ##STR1## wherein the A and B rings have a structure selected from the group consisting of ##STR2## having hormonal properties and their preparation and intermediates.
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patent: 3922292 (1975-11-01), Torelli et al.
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patent: 4540686 (1985-09-01), Philibert et al.
patent: 4634695 (1987-01-01), Torelli et al.
Hadley, Endocrinology, (Englewood, N.J., Prentice Hall, 1984) p. 430.
Grant and Hack's Chemical Dictionary, 5th Ed. (1987), McGraw-Hill Book Co., New York, p. 313.
Claussner Andre
Nedelec Lucien
Philibert Daniel
Van De Velde Patrick
Datlow Philip
Roussel Uclaf
Shah Mukund J.
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