Process for preparing 9.alpha.-OH BN alcohol
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United States of America Patent
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-
Jul 22, 1980
Issued Date -
N/A
app pub date -
Apr 23, 1979
filing date -
Oct 21, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Valuable steroid intermediates, 9.alpha.-hydroxyandrost-4-ene-17.beta.-ol-3-one (9.alpha.-OH testosterone), 9.alpha.-hydroxy-3-ketobisnorchol-4-en-22-ol (9.alpha.-OH BN alcohol) and 9.alpha.-hydroxy-3-ketobisnorchol-4-en-22-oic methyl ester (9.alpha.-OH BN acid methyl ester), prepared by microbiological conversion of steroids having 17-alkyl side chains of 8 to 10 carbons.
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