Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Patent
1994-09-16
1995-12-05
Cook, Rebecca
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
552552, 552544, 435 52, 25218212, C07J 900
Patent
active
054730872
ABSTRACT:
Mixtures of compounds of ##STR1## or a mixture of the latter and a compound of the formula ##STR2## which are useful intermediates for the preparation 20-keto-21(S)-hydroxy steroids.
Buendia Jean
Godard Jean-Yves
Mackiewicz Philippe
Richard Christian
Cook Rebecca
Roussel-Uclaf
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