A new sesquilignan, 7',8'-didehydroherpetotriol (1), and a new lignan glycoside, (+)-isolariciresinol-9'-O-α-L-rhamnopyra- nosy1-(1→6)-[3-D-glucopyranoside (2), were isolated from the branches of Diptero...A new sesquilignan, 7',8'-didehydroherpetotriol (1), and a new lignan glycoside, (+)-isolariciresinol-9'-O-α-L-rhamnopyra- nosy1-(1→6)-[3-D-glucopyranoside (2), were isolated from the branches of Dipteronia dyeriana. Their structures were elucidated by spectroscopic methods and chemical evidence. Compound 1 possessed inhibitory activity against human leukaemia K562 cells with an IC50 value of 39 μmol/L.展开更多
基金the Ministry of Science and Technology of China(2005DKA21006)the Knowledge Innovation Project of Chinese Academy of Sciences.
文摘A new sesquilignan, 7',8'-didehydroherpetotriol (1), and a new lignan glycoside, (+)-isolariciresinol-9'-O-α-L-rhamnopyra- nosy1-(1→6)-[3-D-glucopyranoside (2), were isolated from the branches of Dipteronia dyeriana. Their structures were elucidated by spectroscopic methods and chemical evidence. Compound 1 possessed inhibitory activity against human leukaemia K562 cells with an IC50 value of 39 μmol/L.