Preparation process for 20-keto 21(S) hydroxy steroids compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing

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552552, 552544, 435 52, 25218212, C07J 900

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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.

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