Textiles: fiber preparation
Patent
1977-02-14
1978-06-27
Tanenholtz, Alvin E.
Textiles: fiber preparation
C07B 2902
Patent
active
040973352
ABSTRACT:
Novel microbial transformation process to selectively convert steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive, ione hemiketal having the following structure: ##STR1## This compound can be used as an intermediate to make useful 19-nor steroids.
REFERENCES:
patent: 3516908 (1970-06-01), Hayakawa et al.
Schubert et al., Steroids, vol. 4, 581-586 (1964).
Pyke Thomas R.
Salmond Marion P.
Saliwanchik Roman
Tanenholtz Alvin E.
The Upjohn Company
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