6,6-eth ylene-15,16-methylene-3-oxo-17.alpha.-pregn-4-ene-21,17-

Details 6,6-eth ylene-15,16-methylene-3-oxo-17.alpha.-pregn-4-ene-21,17- 6,6-eth ylene-15,16-methylene-3-oxo-17.alpha.-pregn-4-ene-21,17-

1985-01-18

1986-04-22

Roberts, Elbert L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

26023957, C07J 1900, A61K 3158

Patent

active

045842884

ABSTRACT:
6,6-ethylene-15,16-methylene-3-oxo-17.alpha.-pregn-4-ene-21,17.alpha.-carbo lactones of general Formula I ##STR1## wherein ##STR2## is a CC-single of CC-double bond, R.sub.1 is a hydrogen atom or a methyl group,

REFERENCES:
patent: 3422097 (1969-01-01), Kerwin
patent: 4500522 (1985-02-01), Nickish et al.

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