20-Spiroxanes and analogues having an open ring E, processes for

Details 20-Spiroxanes and analogues having an open ring E, processes for 20-Spiroxanes and analogues having an open ring E, processes for

1984-04-09

1985-12-17

Roberts, Elbert L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

26023957, 26023955R, A61K 31585

Patent

active

045593329

ABSTRACT:
Steroid compounds of the 20-spiroxane series and their analogues having an open ring E of the formula, ##STR1## in which --A--A-- represents the group --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,

REFERENCES:
patent: 3729491 (1973-04-01), Klimstra et al.
patent: 3849404 (1974-11-01), Zawadzki et al.
Fieser, Louis F. et al., Steroids, Reinhold Publishing Corp., New York, Chapman & Hall, Ltd., London (Adrenocortical Hormones), pp. 708, (1979).
"Chemical Abstracts", vol. 79, (1973), Par. 105471p.

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