Four new isoflavanones from <i>Tadehagi triquetrum</i>

doi:10.1007/s13659-011-0033-5

Natural Products and Bioprospecting

2011, Vol. 1

Issue (3) : 121-123 DOI: 10.1007/s13659-011-0033-5

Regular Article

Four new isoflavanones from Tadehagi triquetrum

Rong-Ting ZHANG^a,b, Gui-Guang CHENG^a, Tao FENG^a, Xiang-Hai CAI^a, Xiao-Dong LUO^a

a State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;
b Guangxi Botanical Garden of Medicinal Plants, 189 Changgang Road, Nanning 530023, China

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Abstract Four new isoflavanones with isoprenoid units, named triquetrumones E-H(1-4), were isolated from the whole plants of Tadehagi triquetrum. The structures were elucidated on the basis of spectroscopic analyses, including application of MS, UV, IR, 1D and 2D NMR spectroscopic techniques.

Keywords Tadehagi triquetrum isoflavanone triquetrumone

Fund:The authors are grateful to National Basic Research Program of China(973 Program 2009CB522300), and the Chinese Academy of Science(KSCX2-EW-R-15) for financial support and to the members of the analytical group in the State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, for the spectral measurements.

Issue Date: 11 February 2018

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Rong-Ting ZHANG,Gui-Guang CHENG,Tao FENG, et al. Four new isoflavanones from Tadehagi triquetrum[J]. Natural Products and Bioprospecting, 2011, 1(3): 121-123.

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http://npb.kib.ac.cn/EN/10.1007/s13659-011-0033-5 OR http://npb.kib.ac.cn/EN/Y2011/V1/I3/121

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