Process for conversion of sterol i-methyl ethers to sterols

Details Process for conversion of sterol i-methyl ethers to sterols Process for conversion of sterol i-methyl ethers to sterols

1981-04-03

1982-04-20

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07J 900

Patent

active

043258808

ABSTRACT:
The present invention discloses a simple process for converting sterol i-methyl ethers to sterols. More particularly, the invention is directed to a process for converting sterol i-methyl esters to the corresponding sterols by refluxing the sterol i-methyl ethers in aqueous acetic acid to provide conversion to sterols at high yields. This provides a simple process for converting sterol i-methyl ethers to sterols which can be important for preparing valuable steroids such as the corticosteroids.

REFERENCES:
patent: 3038272 (1977-07-01), Partridge, Jr. et al.
patent: 4224230 (1980-09-01), DeLuca et al.
patent: 4260549 (1981-04-01), DeLuca et al.

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