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    Article

    Coumarins from the Roots and Stems of Nicotiana tabacum and their Anti-Tobacco Mosaic Virus Activity

    Two new coumarins, 7-(4-hydroxyphenyl)-6H-[1, 3]dioxolo[4,5-g]chromen-6-one (1) and 7-(2-hydroxy-3,4-dimethoxyphenyl)-6H-[1,3]dioxolo[4,5-g]chromen-6-one (2), together with five known coumarins (3–7), were isolat...

    Chun Lei, Wenxiu Xu, Jia Wu, Sujuan Wang, Ji-Qing Sun… in Chemistry of Natural Compounds (2015)

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    Article

    New Flavones from Garcinia bracteata and Their Biological Activities

    Investigation of an organic extract of the stems of Garcinia bracteata led to the isolation of two new flavones, named bracflavones A (1) and B (2). Their structures were elucidated by spectroscopic evidence. The...

    Qiufen Hu, Deyun Niu, Sujuan Wang, Yunhua Qin… in Chemistry of Natural Compounds (2014)