Preparation of corticoids from 17-keto steroids

Details Preparation of corticoids from 17-keto steroids Preparation of corticoids from 17-keto steroids

1981-05-18

1982-11-02

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602395, 2603975, C07J 700

Patent

active

043572790

ABSTRACT:
A process for the preparation of corticoids (XI) which comprises reacting a protected 17-keto steroid (II) with a metallated 1,2-dihaloethene (III).

REFERENCES:
patent: 3684657 (1972-08-01), Kraychy et al.
patent: 3759791 (1973-09-01), Marshack et al.
patent: 4035236 (1977-07-01), Wovcha
patent: 4041055 (1977-08-01), Shephard et al.
patent: 4216159 (1980-08-01), Hessler et al.
J. Am. Chem. Soc. 86, 3840 (1964).
J. Org. Chem. 35, 2831 (1970).

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