Synthesis of 1.alpha.,25-dihydroxyergocalciferol

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

1984-12-17

1986-06-17

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

568374, 568819, C07F 704, C07C 49633

Patent

active

045957762

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: 3825569 (1974-07-01), Hajos et al.
patent: 3965117 (1976-06-01), Hajos et al.

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