Process for preparing .DELTA..sup.22 -25-oxy substituted sterol

Details Process for preparing .DELTA..sup.22 -25-oxy substituted sterol Process for preparing .DELTA..sup.22 -25-oxy substituted sterol

1975-01-27

1976-11-30

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2606065P, C07J 900

Patent

active

039949346

ABSTRACT:
A new method of preparing 3.alpha.,5.alpha.-cyclo-6.beta.-alkoxy-.DELTA..sup.22 -25-oxy or acyloxy bisnorcholestane and analogues which involves reacting a bisnorcholanaldehyde with an ylide. Novel cholestanes and i-ethers are also claimed.

REFERENCES:
patent: 3822254 (1974-07-01), Partridge et al.

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