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Molecules 2006, 11(12), 1009-1014; doi:10.3390/11121009

A New Neolignan Glycoside from the Leaves of Acer truncatum

1, 1, 3, 1, 1 and 1,*
1 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 2 Graduate School of Chinese Academy of Sciences, Beijng 100039, P.R. China 3 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 / Revised: 27 November 2006 / Accepted: 28 November 2006 / Published: 21 December 2006
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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 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.

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