Process for the esterification of a carbothioic acid
Disclosed is a process for preparing compounds of formula: (II) by esterification of the C-17 hydroxyl group of 6alpha, 9alpha-difluoro-11beta, 17alpha-dihydroxy-16alpha-methyl-3-oxoandrosta-1,4-diene-17beta-carbothioic acid. The process comprises treating compound (I) with a slight excess of an acy...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
31.03.2009
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Edition | 7 |
Online Access | Get full text |
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