A new phenylethanoid glycoside, neobudofficide B was isolated from Buddleia officinalis. On the basis of spectral and chemical evidence, the glycoside was identified as β ( 3′, 4′ dihydroxy, 6′ N pyridinechlo...A new phenylethanoid glycoside, neobudofficide B was isolated from Buddleia officinalis. On the basis of spectral and chemical evidence, the glycoside was identified as β ( 3′, 4′ dihydroxy, 6′ N pyridinechloride phenyl ) ethyl O α L rhamnopyranosyl ( 1→3 ) β D ( 4″ O caffeoyl ) glucopyranoside.展开更多
文摘A new phenylethanoid glycoside, neobudofficide B was isolated from Buddleia officinalis. On the basis of spectral and chemical evidence, the glycoside was identified as β ( 3′, 4′ dihydroxy, 6′ N pyridinechloride phenyl ) ethyl O α L rhamnopyranosyl ( 1→3 ) β D ( 4″ O caffeoyl ) glucopyranoside.
基金Supported by the Natural Resource Platform from Ministry of Science & Technology(No.2005DKA21205-3)the Hi-Tech Research and Development Program of China(No.2006AA10A207)