Two new potential antifungal coumarin glycosides, 6-chlorocoumarin 7-O-beta-D-glucopyranoside (1) and 7-hydroxy-4-trifluoromethyl-coumarin 5-O-beta-D-glucopyranoside (2), were synthesized via enzyme-mediated glycosylation of the respective aglycone, 6-chloro-7-hydroxycoumarin and
To investigate the substrate specificity and regio-selectivity of coumarin glycosyltransferases in transgenic hairy roots of Polygonum multiflorum, esculetin (1) and eight hydroxycoumarins (2-9) were employed as substrates. Nine corresponding glycosides (10-18) involving four new compounds,
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