Process for separating stigmasterol-derived products

Details Process for separating stigmasterol-derived products Process for separating stigmasterol-derived products

1979-03-15

1980-03-11

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07J 900

Patent

active

041928113

ABSTRACT:
This invention relates to the separation of crude mixtures of sterols, and more particularly it relates to the removal of stigmasterol derived products from crude mixtures of sterols. The present invention relates more specifically to a process for separating stigmasterol-derived products from phytosterol materials containing mixtures of stigmasterol, sitosterol and campesterol. These mixtures are reacted to form the corresponding mixture of phytosterol i-methyl ethers. The mixed phytosterol i-methyl ethers are reacted by ozonolysis to form the stigmasterol-derived aldehyde material, 6-.beta.-methoxy-3.alpha.,5.alpha.-cyclodinorcholanaldehyde, which can be isolated from the phytosterol i-methyl ethers by either chromatography or by treatment with sodium bisulfite and extraction with a suitable organic solvent such as toluene.

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