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《Journal of Hainan Normal University(Natural Science)》 2018-01
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Study on the Constituents of Podocarpus nagi

WANG Qiuxiang;YANG Zuofa;PENG Wei;ZHANG Yongkang;CHEN Yegao;School of Chemistry and Chemical Engineering,Yunnan Normal University;  
Nine compounds are obtained by silica gel chromatography,MCI and Sephadex LH-20 chromatography from the twigs of Podocarpus nagi in Yunnan province. The chemical structures of these compounds are identified by modern spectroscopic analysis combined with their physico-chemical data. These compounds are identified to be nagilactone A(1),4β,10β,15-trihydroxy-aromadendrane-10,15-acetonide(2),amentoflavone(3),bilobetin(4),podocarpusflavone A(5),quercetin(6),(-)-catechin(7),5α,6β-dihydroxysitosterol(8) and prinsepiol(9). Among them,2,4,8 and 9 are isolated from the genus Podocarpus for the first time.
【Fund】: 国家自然科学基金(31260085)
【CateGory Index】: R284.1
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