Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1983-04-01
1984-12-04
Roberts, Elbert L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07J 7100
Patent
active
044863527
ABSTRACT:
Process to reduce stereoselectively 3alpha-hydroxy-7-keto-5beta-cholanic acid to 3alpha,7beta-dihydroxy-5beta-cholanic acid in ter.alcohols by using, as reducing agent, sodium metal in the presence of other metal salts.
Examples of metal salts particularly useful are: potassium, cesium and rhubidium organic salts and, more particularly, potassium acetate or potassium ter.butylate.
REFERENCES:
patent: 4282161 (1981-08-01), Guillemette et al.
patent: 4337206 (1982-06-01), Gargani et al.
patent: 4379093 (1983-04-01), Bonaldi et al.
Giordano Claudio
Meneghin Mariano
Minisci Francesco
Perdoncin Giulio
Roberts Elbert L.
Zambon S.p.A.
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