Preparation of 3.beta.-hydroxy-27-norcholest-5-ene-25-one and in

Details Preparation of 3.beta.-hydroxy-27-norcholest-5-ene-25-one and in Preparation of 3.beta.-hydroxy-27-norcholest-5-ene-25-one and in

1977-10-03

1979-03-20

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603971, 2603972, C07J 900

Patent

active

041453468

ABSTRACT:
A process for preparing 3.beta.-hydroxy-27-norcholest-5-ene-25-one, a useful intermediate in the synthesis of 25-acetoxy vitamin D.sub.3, novel intermediates, and preparation thereof are disclosed.

REFERENCES:
patent: 3786062 (1974-01-01), Schroeder et al.
patent: 3936478 (1976-02-01), Takeshita et al.
patent: 4028349 (1977-06-01), Partridg, Jr. et al.
patent: 4069321 (1978-01-01), Jones et al.

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