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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 10
BKCSDE 34(10)
October 20, 2013

Title	Isoflavanones from the Stem of Cassia siamea and Their Anti-tobacco Mosaic Virus Activities
Author	Qiu-Fen Hu, De-Yun Niu, Bin Zhou, Yan-Qing Ye, Gang Du, Chun-Yang Meng, Xue-Mei Gao*
Keywords	Cassia siamea, Isoflavanones, Anti-tobacco mosaic virus activity
Abstract	Two new isoflavanones, (3R) 7,2',4'-trihydroxy-3'-methoxy-5-methoxycarbonyl-isoflavanone (1) and (3R) 7,2'-dihydroxy-3',4'-dimethoxy-5-methoxycarbonyl-isoflavanone (2), together with six known isoflavanones (3-8), were isolated from the stems of Cassia siamea. The structure of 1-8 was elucidated by spectroscopic methods including extensive 1D- and 2D-NMR techniques. Compounds 1, 2, 5-8 were evaluated for their antitobacco mosaic virus (Anti-TMV) activity. The results showed that compounds 1 and 6 showed potential anti- TMV activity with inhibition rates of 24.6% and 26.9%, respectively. Compounds 2, 5, 7, 8 also showed anti- TMV activity with inhibition rates in the range of 11.8-18.6%.
Page	3013 - 3016
Full Text	PDF / Supporting Information

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