11.beta.-substituted 16.alpha., 17.alpha.-methylene-estra-4,9-di

Details 11.beta.-substituted 16.alpha., 17.alpha.-methylene-estra-4,9-di 11.beta.-substituted 16.alpha., 17.alpha.-methylene-estra-4,9-di

1990-08-15

1992-11-10

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

514182, 552514, 552519, 552520, 552526, 552603, A61K 3107, A61K 3156, C07J 300

Patent

active

051623129

ABSTRACT:
11.beta.-substituted-16.alpha., 17.alpha.-methylene-estra-4,9-dien-3-ones of formula I ##STR1## wherein R.sup.1 is a methyl or ethyl group;

REFERENCES:
patent: 4450107 (1984-05-01), Nickisch et al.
Loozen et al; Chemical Abstract 109(19), 1988 109(15), 1988, #170799d & 120463b.

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