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2008•Lishizhen Medicine and Materia Medica ResearchRequires access

Studies on the Chemical Constituents from Gynura divaricata(L.) DC

Hanqing Zhang

Open publisher page 2 citations

Abstract

ObjectiveTo investigate the chemical constituents of Gynura divaricata(L.) DC.MethodsSilica gel column chromatography was employed for the isolation and purification of chemical constituents.The structures were identified on the basis of spectral data and chemical evidence.ResultsTen compounds were isolated and identified as follows: n-Eicosane(1),Tetracosanol(2),Octacosanoic acid(3),Octacosyl alcohol(4),Palmitic acid(5),Stigmasterol-3-O-β-D-glucopyranoside(6),Stigmasterol(7),β-Sitosterol(8),Daucosterol(9),Friedelin(10).ConclusionCompounds 1~6,9,10 were isolated from Gynura divaricata(L.) DC for the first time.

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What this paper is about

ObjectiveTo investigate the chemical constituents of Gynura divaricata(L.) DC.MethodsSilica gel column chromatography was employed for the isolation and purification of chemical constituents.The structures were identified on the basis of spectral data and chemical evidence.ResultsTen compounds were isolated and identified as follows: n-Eicosane(1),Tetracosanol(2),Octacosanoic acid(3),Octacosyl alcohol(4),Palmitic acid(5),Stigmasterol-3-O-β-D-glucopyranoside(6),Stigmasterol(7),β-Sitosterol(8),Daucosterol(9),Friedelin(10).ConclusionCompounds 1~6,9,10 were isolated from Gynura divaricata(L.) DC for the first time.

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Available abstract

ObjectiveTo investigate the chemical constituents of Gynura divaricata(L.) DC.MethodsSilica gel column chromatography was employed for the isolation and purification of chemical constituents.The structures were identified on the basis of spectral data and chemical evidence.ResultsTen compounds were isolated and identified as follows: n-Eicosane(1),Tetracosanol(2),Octacosanoic acid(3),Octacosyl alcohol(4),Palmitic acid(5),Stigmasterol-3-O-β-D-glucopyranoside(6),Stigmasterol(7),β-Sitosterol(8),Daucosterol(9),Friedelin(10).ConclusionCompounds 1~6,9,10 were isolated from Gynura divaricata(L.) DC for the first time.

Key concepts: Stigmasterol, Daucosterol, Friedelin, Chemistry, Chemical constituents, Palmitic acid, Chromatography, Column chromatography

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