Regioselective Enzymatic Acetylation of the Aglycone Moiety of a Secoiridoid Glucoside. Two New Secoiridoid Glucoside Acetates.
ChemInform(2005)
摘要
Candida antarctica lipase (CAL) catalyses the regioselective acetylation of the 10-hydroxyl group of 10-hydroxyoleoside dimethyl ester, a secoiridoid glucoside, using THF as a solvent and ethyl acetate or vinyl acetate as acetyl group suppliers. Two acetyl derivatives at 3'- and 6'-sites of the glucosidic ring of 10-acetoxyoleoside dimethylester, not previously described, were obtained by acetylation in the same conditions.
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关键词
new secoiridoid glucoside acetates,secoiridoid glucoside,regioselective enzymatic acetylation,aglycone moiety
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