11.beta.-alkynyl-estrenes and -estradienes, their production and

Details 11.beta.-alkynyl-estrenes and -estradienes, their production and 11.beta.-alkynyl-estrenes and -estradienes, their production and

1988-01-25

1989-09-26

Robinson, Douglas W.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

2603973, 2603974, 26039745, 514177, 514178, 514182, 514173, 540 23, A61K 3158, A61K 3156, C07J 100

Patent

active

048700690

ABSTRACT:
11.beta.-substituted steroids of the formula ##STR1## wherein A and B together represent a second bond between the 6-position and 7-position carbon atoms, or, respectively, are each H;

REFERENCES:
patent: 3236866 (1966-02-01), Ringold et al.
Akzo, CA 107: 127160k (1987).
Shoppee et al., CA 57: 12578 (1962).

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