New Compounds from Flowers ofPhlojodicarpus sibiricus

Chromatographic separation of the MeOH extract from flowers of Phlojodicarpus sibiricus (Fisch.) Koso.-Pol. (Apiaceae) isolated 27 compounds including three new glycosides, the structures of which were established by UV, IR, and NMR spectroscopy and mass spectrometry as (R)-peucedanol -7-O-(6 ''-O-beta-D-apiofuranosyl)-beta-D-glucopyranoside-3 '-O-beta-D-glucopyranoside (phlojosibiriside I,1), diosmetin-7-O-(6 ''-O-beta-D-apiofuranosyl)-beta-D-glucopyranoside (phlojosibiriside II,2), and diosmetin-7-O-(2 ''-O-acetyl-6 ''-O-beta-D- apiofuranosyl)-beta-D-glucopyranoside (phlojosibiriside III,3).