A new prenylated dihydroflavonoid was obtained from the root of Dolichos tenuicaulis (Baker) Craib. The structure was elucidated as (2S)-5,2',6'-trihydroxy-3'″, 8-di (γ,γ-dimethyl-allyl)-2'″, 2'″-dimet...A new prenylated dihydroflavonoid was obtained from the root of Dolichos tenuicaulis (Baker) Craib. The structure was elucidated as (2S)-5,2',6'-trihydroxy-3'″, 8-di (γ,γ-dimethyl-allyl)-2'″, 2'″-dimethylpyrano-[5'″,6'″: 6,7]-2'″″,4'″″-cyclohexadiene-1 '″″-one-[2'″″,3'″″: 3',4']-flavanone, named dolichnin A, by spectroscopic methods including UV, IR, HR-EI-MS, 1D NMR and 2D NMR techniques, and subsequently, the anticancer activity of this compound to inhibit human cancer cells' growth including A549, BEL-7402, Hep-3B, SMMC7721, HT-29, MCF-7, SGC-7902, K562, A498 and PC3 cell lines by MTT method was evaluated in vitro.展开更多
文摘A new prenylated dihydroflavonoid was obtained from the root of Dolichos tenuicaulis (Baker) Craib. The structure was elucidated as (2S)-5,2',6'-trihydroxy-3'″, 8-di (γ,γ-dimethyl-allyl)-2'″, 2'″-dimethylpyrano-[5'″,6'″: 6,7]-2'″″,4'″″-cyclohexadiene-1 '″″-one-[2'″″,3'″″: 3',4']-flavanone, named dolichnin A, by spectroscopic methods including UV, IR, HR-EI-MS, 1D NMR and 2D NMR techniques, and subsequently, the anticancer activity of this compound to inhibit human cancer cells' growth including A549, BEL-7402, Hep-3B, SMMC7721, HT-29, MCF-7, SGC-7902, K562, A498 and PC3 cell lines by MTT method was evaluated in vitro.