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Two New Bibenzyl Glucosides from Dendrobium chrysotoxum
Dong, Fa-Wu,Luo, Huai-Rong,Wan, Qin-Li,Xu, Feng-Qing,Fan, Wei-Wei,Wang, Kai-Jin,Li, Ning,Hu, Jiang-Miao Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.7
Two new bibenzyl glucosides, 3,3',4',5-tetramethoxybibenzyl-4-O-${\beta}$-D-glucopyranoside (1) and 3,4,4',5-tetramethoxybibenzyl-3'-O-${\beta}$-D-glucopyranoside (2), together with five known ones, chrysotobibenzyl (3), erianin (4), chrysotoxine (5), gigantol (6) and tristin (7) were isolated from the stems of Dendrobium chrysotoxum. The structures of those compounds were elucidated by extensive spectroscopic analysis. Moreover, compounds 1-7 were assessed for inhibitory activity of two enzymes-AChE (acetylcholine esterase) and BChE (butyrylcholine esterase).
Two New Bibenzyl Glucosides from Dendrobium chrysotoxum
Fa-Wu Dong,Huai-Rong Luo,Qin-Li Wan,Feng-Qing Xu,Weiwei Fan,Kai-Jin Wang,Ning Li,Jiang-Miao Hu 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.7
Two new bibenzyl glucosides, 3,3',4',5-tetramethoxybibenzyl-4-O-β-D-glucopyranoside (1) and 3,4,4',5- tetramethoxybibenzyl-3'-O-β-D-glucopyranoside (2), together with five known ones, chrysotobibenzyl (3), erianin (4), chrysotoxine (5), gigantol (6) and tristin (7) were isolated from the stems of Dendrobium chrysotoxum. The structures of those compounds were elucidated by extensive spectroscopic analysis. Moreover, compounds 1-7 were assessed for inhibitory activity of two enzymes-AChE (acetylcholine esterase) and BChE (butyrylcholine esterase).