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.