Title: Preparation of steriod esters
Application Number: 99121644 Application Date: 1999.08.25
Publication Number: 1251837 Publication Date: 2000.05.03
Approval Pub. Date: 2003.12.24 Granted Pub. Date: 2003.12.24
International Classifi-cation: C07J9/00
Applicant(s) Name: MCNEIL-PPC Inc. Address:
Inventor(s) Name: A. Rodon;J. L. Williams;R. Bruce
Attorney & Agent: zhang yuanzhong
Abstract:
    The present invention provides a method for the direct esterification of stanols and sterols with catalyst, which can be acidic or basic, in the presence of a color deactivating agent to form stanol/sterol-esters. The method provides a synthetic route that is amenable to large scale production of the esters in high yields. A preferred embodiment employs a food grade process free of organic solvents or mineral acids.
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