Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Patent
1995-02-21
1998-06-02
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
540 30, 540 34, C07J 500, C07J 2100
Patent
active
057602565
ABSTRACT:
A process for the production of a compound of the formula ##STR1## wherein R.sub.1 is acyl of 1 to 8 carbon atoms,. The compound is formed by the reduction of an intermediary to form an alcohol, epoxidation and hydrolyzation of the alcohol to form a compound of formula ##STR2## followed by the acylation of the hydroxy functions and the elimination of the 17.alpha.-substituent.
REFERENCES:
patent: 2744108 (1956-05-01), Ralls et al.
patent: 4189430 (1980-02-01), Shepahard
Brion Francis
Buendia Jean
Diolez Christian
Vivat Michel
Badio Barbara
Dees Jos,e G.
Roussel Uclaf
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