Syntheses of cytotoxic novel arctigenin derivatives bearing halogen and alkyl groups on aromatic rings
作者:Satoshi Yamauchi、Tuti Wukirsari、Yoshiaki Ochi、Hisashi Nishiwaki、Kosuke Nishi、Takuya Sugahara、Koichi Akiyama、Taro Kishida
DOI:10.1016/j.bmcl.2017.06.070
日期:2017.9
lignano-9,9′-lactones (α,β-dibenzyl-γ-butyrolactone lignans), which showed the higher cytotoxicity than arctigenin, were synthesized. The well-known cytotoxic arctigenin showed activity against HL-60 cells (EC50 = 12 μM), however, it was inactive against HeLa cells (EC50 > 100 μM). The synthesized (3,4-dichloro, 2′-butoxy)-derivative 55 and (3,4-dichloro, 4′-butyl)-derivative 66 bearing the lignano-9
合成了新的木质素-9,9'-内酯(α,β-二苄基-γ-丁内酯木脂素),其细胞毒性高于arctigenin。众所周知的细胞毒性artigenin对HL-60细胞具有活性(EC 50 = 12μM),但是对HeLa细胞没有活性(EC 50 > 100μM)。具有木质素-9,9'-内酯结构的合成的(3,4-二氯,2'-丁氧基)衍生物55和(3,4-二氯,4'-丁基)衍生物66的EC 50值为分别针对HL-60细胞10μM和9.4μM。对于HeLa细胞,衍生物66的EC 50值为27μM。通过将活性与相应的9,9'-环氧结构(四氢呋喃化合物)进行比较,表明了55和66的内酯结构对于更高活性的重要性。木质素9,9'-内酯芳香环上的取代基影响细胞毒性水平,差异超过10倍。