[Chemical constituents in Buddleja albiflora].

To study the chemical constituents of Buddleja albiflora.The constituents were isolated by column chromatography and their structures were elucidated by spectroscopic methods.Eleven compounds were isolated and identified as luteolin (1), quercetin (2), quercetin-3-O-beta-D-glucopyranoside (3), apigenin (4), apigenin-7-O-beta-D-glucopyranoside (5), apigenin-7-O-neohesperidoside (6), acacetin-7-O-beta-L-rhamnopyranosyl-(1-6)-beta-D-glucopyranoside (7), cranioside A (8), acetylmartynoside B (9), 4"-O-acetylmartynoside (10), isomartynoside (11).All these compounds were obtained from B. albiflora for the first time and compound 8 was obtained from the genus Buddleja for the first time.