Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Patent
1998-11-05
2000-03-21
Dees, Jose' G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
552543, 552552, 552544, 552546, 552553, 552540, 552557, 552599, 552601, 540 87, C07J 900, C07J 500, C07J 700, C07J 7100
Patent
active
06040468&
ABSTRACT:
16.alpha., 17.alpha.-dialkylated steroids are prepared by reacting a 16.alpha.-alkyl-17(20)-enyl-20-silyl ether with an alkylating agent and an enol silyl ether cleaving agent in a suitable solvent.
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Alcon Laboratories Inc.
Dees Jos,e G.
Qazi Sabiha N.
Ryan Patrick M.
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