Synthesis of 1.alpha.,25-dihydroxyergocalciferol

Details Synthesis of 1.alpha.,25-dihydroxyergocalciferol Synthesis of 1.alpha.,25-dihydroxyergocalciferol

1983-03-21

1985-04-02

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568376, 568445, 564297, C07J 900

Patent

active

045086516

ABSTRACT:
The invention is directed to a process and intermediates for the preparation of 1.alpha.,25-dihydroxyergocalciferol as well as substantially pure and crystalline 1.alpha.,25-dihydroxyergocolciferol. The end-product 1.alpha.,25-dihydroxyergocalciferol is useful in the treatment of disease states which are characterized by insufficient amounts of 1.alpha.,25-dihydroxycholecalciferol.

REFERENCES:
patent: 4225596 (1980-09-01), De Luca et al.
patent: 4260549 (1981-04-01), De Luca et al.
patent: 4338250 (1982-07-01), De Luca et al.

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