11.beta.-Difluoromethyl and (E)- and (Z)-11-fluoromethylene ster

Details 11.beta.-Difluoromethyl and (E)- and (Z)-11-fluoromethylene ster 11.beta.-Difluoromethyl and (E)- and (Z)-11-fluoromethylene ster

1984-08-08

1985-12-10

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26023955C, 2603973, 26039745, 2603975, C07J 3300

Patent

active

045578672

ABSTRACT:
Known reactions are arranged in a novel manner to produce 11.beta.-difluoromethyl and (E)- and (Z)-11-fluoromethylene 19-norandrostenediones and 19-nor-13.beta.-ethylandrostenediones which are useful as contraceptive agents.

REFERENCES:
patent: 4277468 (1981-07-01), Hofmeister et al.

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