Process for preparation of .DELTA..sup.4,9(11),16 pregnatriene-3

Details Process for preparation of .DELTA..sup.4,9(11),16 pregnatriene-3 Process for preparation of .DELTA..sup.4,9(11),16 pregnatriene-3

1995-02-21

1996-03-26

Cook, Rebecca

Organic compounds -- part of the class 532-570 series

Organic compounds

Cyclopentanohydrophenanthrene ring system containing

C07J 2100, C07J 3300

Patent

active

055022235

ABSTRACT:
A process for the preparation of a compound of the formula ##STR1## wherein R.sub.1 is acyl of an organic carboxylic acid of 1 to 8 carbon atoms useful as intermediates for synthesis of therapeutically active steroids.

REFERENCES:
patent: 4309423 (1982-01-01), Biollaz
Greene et al, Protective Groups in Organic Synthesis, 2nd edition, 1991, pp. 202-205.

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