Preparation of 11-keto steroids

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United States of America Patent

PATENT NO 5585482
SERIAL NO

08545518

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Abstract

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A process for the preparation of a compound of the formula ##STR1## wherein R and R' and the A and B are as defined in the specification. ##STR2## K is selected from the group consisting of ##STR3## n is 2 or 3 and the dotted lined is an optional bond.

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Patent Owner(s)

Patent OwnerAddress
AVENTIS PHARMA S A20 AVENUE RAYMOND ARON ANTONY CEDEX 92165

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brion, Francis Gagny, FR 22 49
Buendia, Jean Le Perreux Sur Marne, FR 44 250
Diolez, Christian Palaiseau, FR 22 25
Vivat, Michel Lagny Sur Marne, FR 36 77

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