19-nor-steroids

Details 19-nor-steroids 19-nor-steroids

1992-04-29

1994-03-01

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

514176, 540106, 540107, 540108, C07J 4300, A61K 3158

Patent

active

052907716

ABSTRACT:
The novel compounds of the invention are 19 nor-steroids of the formula: ##STR1## Where A, B, C, D, X, Y, Z, R.sub.17, and R.sup.1 are as defined in the specification, having hormonal properties and their preparation and intermediates.

REFERENCES:
patent: 3922292 (1975-11-01), Torelli et al.
patent: 4447424 (1984-05-01), Toutsch et al.
patent: 4477445 (1984-10-01), Philibert et al.
patent: 4540686 (1985-09-01), Philibert et al.
patent: 4634695 (1987-01-01), Torelli et al.
patent: 4659516 (1987-04-01), Bowlef et al.
Levesque, et al., J. Med. Chem (1991) 34 1624-1630.
Grant and Hackh's Chemical Dictionary (New York, 1987, McGraw-Hill) p. 14.

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