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A New Neolignan Glycoside from the Leaves of Acer truncatum
State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming 650204, Yunnan, P.R. China
Graduate School of Chinese Academy of Sciences, Beijng 100039, P.R. China
Key Laboratory for Conservation and Utilization of Bioresources, Yunnan University, Kunming, Yunnan 650091, P. R. China
* Author to whom correspondence should be addressed.
Received: 18 October 2006; in revised form: 27 November 2006 / Accepted: 28 November 2006 / Published: 21 December 2006
Abstract: A new neolignan glycoside, (7R,8R)-7,8-dihydro-9′-hydroxyl-3′-methoxyl- 8-hydroxymethyl-7-(4-hydroxy-3-methoxyphenyl)-1′-benzofuranpropanol 9′-O-β-D- glucopyranoside (1) was isolated from the leaves of Acer truncatum along with (7R,8R)-7,8-dihydro-9′-hydroxyl-3′-methoxyl-8-hydroxymethyl-7-(4-O-α-L-rhamno- pyranosyloxy-3-methoxyphenyl)-1′-benzofuranpropanol (2), schizandriside (3), lyoniresinol (4), berchemol (5), (-)-pinoresinol-4-O-β-D-glucopyranoside (6), hecogenin (7), chlorogenic acid (8) and neochlorogenic acid (9). Their structures were elucidated on the basis of extensive spectroscopic data. The absolute configuration of compounds 1 was established by its CD spectrum. The antibacterial activities of compounds 1-7 were evaluated.
Keywords: Acer truncatum; Aceraceae; neolignan glycosides; antibacterial activity
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Dong, L.-P.; Ni, W.; Dong, J.-Y.; Li, J.-Z.; Chen, C.-X.; Liu, H.-Y. A New Neolignan Glycoside from the Leaves of Acer truncatum. Molecules 2006, 11, 1009-1014.
Dong L-P, Ni W, Dong J-Y, Li J-Z, Chen C-X, Liu H-Y. A New Neolignan Glycoside from the Leaves of Acer truncatum. Molecules. 2006; 11(12):1009-1014.
Dong, Lang-Ping; Ni, Wei; Dong, Jin-Yang; Li, Jun-Zhu; Chen, Chang-Xiang; Liu, Hai-Yang. 2006. "A New Neolignan Glycoside from the Leaves of Acer truncatum." Molecules 11, no. 12: 1009-1014.