Studies on the chemical constituents from Ilex asprella
Libing Guo
Abstract
Libing Guo
Abstract
Objective To investigate the chemical constituents from Ilex asprella.Methods Compounds were isolated by repeated column chromatographies with silica gel,and the structure was elucidated by spectral analysis and chemical evidence.Results Six compounds were isolated and their structures were identified as protocatechuic acid(Ⅰ),β-sitosterol(Ⅱ),coniferyl aldehyde(Ⅲ),ilexolic acid(Ⅳ),daucosterol(Ⅴ)and 3-O-α-L-arabinopyranosyl pomolic acid(Ⅵ).Conclusion CompoundsⅠ、Ⅲ and Ⅵ were isolated from Ilex asprella for the first time.
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Objective To investigate the chemical constituents from Ilex asprella.Methods Compounds were isolated by repeated column chromatographies with silica gel,and the structure was elucidated by spectral analysis and chemical evidence.Results Six compounds were isolated and their structures were identified as protocatechuic acid(Ⅰ),β-sitosterol(Ⅱ),coniferyl aldehyde(Ⅲ),ilexolic acid(Ⅳ),daucosterol(Ⅴ)and 3-O-α-L-arabinopyranosyl pomolic acid(Ⅵ).Conclusion CompoundsⅠ、Ⅲ and Ⅵ were isolated from Ilex asprella for the first time.
Key concepts: Protocatechuic acid, Daucosterol, Chemical constituents, Chemistry, Silica gel, Chemical structure, Chromatography, Spectral analysis