Process for the preparation of cholesterol derivatives and novel

Details Process for the preparation of cholesterol derivatives and novel Process for the preparation of cholesterol derivatives and novel

1984-02-27

1986-02-04

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603975, 26023955D, 2603972, C07J 500

Patent

active

045684910

ABSTRACT:
The invention is concerned with a process for the preparation of 1 hydrogen or hydroxy cholesterol derivatives and intermediates therefor. The compounds of the present invention are useful as intermediates in the preparation of 24,25-dihydroxy and 1.alpha., 24,25-trihydroxycholecalciferol.

REFERENCES:
patent: 3994878 (1976-11-01), Partridge, Jr. et al.
patent: 4021423 (1977-05-01), Baggiolini et al.
patent: 4026882 (1977-05-01), Baggiolini et al.
patent: 4028349 (1977-06-01), Partridge, Jr. et al.
patent: 4038272 (1977-07-01), Partridge, Jr. et al.
patent: 4268453 (1981-05-01), Barner et al.

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