Process for preparing 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 -s

Details Process for preparing 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 -s Process for preparing 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 -s

1981-11-03

1983-11-22

Tanenholtz, Alvin E.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing a...

2603974, C12P 3306, C07J 700

Patent

active

044169850

ABSTRACT:
A process for preparing a 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 steroid of the formula ##STR1## wherein Q is ##STR2## and R.sub.1 is hydrogen, trimethylacetyl, tert-butyldimethylsilyl, dimethyl-2-(3-methylbutyl)silyl or tribenzylsilyl,
comprises fermenting a 3.beta.-hydroxy-.DELTA..sup.5 -steroid of the formula ##STR3## wherein Q is as defined above, and

REFERENCES:
patent: 4336332 (1982-06-01), Fujiwara et al.

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