Process for the manufacture of cholestene derivatives and novel

Details Process for the manufacture of cholestene derivatives and novel Process for the manufacture of cholestene derivatives and novel

1980-05-05

1981-05-19

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26023955R, 2603972, C07J 100

Patent

active

042684536

ABSTRACT:
The present disclosure is directed to 6-lower alkoxy-25,26-(lower alkyl or lower alkylene)methylene dioxy-3,5-cyclocholest-22-ene derivatives which are useful in the manufacture of 25,26-dihydroxycholecalciferol.

REFERENCES:
patent: 3856780 (1974-12-01), Narwid et al.
patent: 4134904 (1979-01-01), Kaiser
Steroids (1971), No. 17, pp. 649-652, relied on.
J. Fluorine Chem. (1976), No. 8, pp. 209-221.

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