Process for chenodeoxycholic acid and intermediates therefore

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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2603972, 2603974, C07J 900, C07J 500

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active

042306256

ABSTRACT:
A multi-step synthesis of chenodeoxycholic acid from 3-keto-bisnorcholenol, a compound readily obtained from the abundant plant sterol .beta.-sitosterol, is described. A key step in the synthesis is the stereoselective microbial introduction of the 7-alpha hydroxy group into 3-keto-bisnorcholenol.

REFERENCES:
patent: 3655650 (1972-04-01), Furst et al.
patent: 3856780 (1974-12-01), Narwid et al.

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