Citation: Rong Min Yu, Liang Bin Zhou, Chun Yan Yan, Guo Yan Duan, Yu Zhao. Two new coumarin glucosides biosynthesized by transgenic hairy roots of Polygonum multiflorum[J]. Chinese Chemical Letters, ;2008, 19(1): 76-78. doi: 10.1016/j.cclet.2007.10.047
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The glycosylation of hydroxylcoumarin was investigated by using suspension cultures of hairy roots of Polygonum multiflorum, Two new coumarin glucosides (3 and 4) were biosysthesized by regioselectively glycosylation of corresponding substrates (1 and 2) in the system. The structures of two products were identified as 7-hydroxy-4-methylcoumarin 5-O-β-D-glucopyranoside and 7-hydroxy-3,4-dimethylcoumarin 5-O-β-D-glucopyranoside on the ground of chemical and spectroscopic methods, respectively.
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