作者:Mark Tarleton、Jayne Gilbert、Jennette A. Sakoff、Adam McCluskey
DOI:10.1016/j.ejmech.2012.06.010
日期:2012.8
Cantharidin (1) and norcantharidin (2) display high levels of anticancer activity against a broad range of tumour cell lines. Synthetic manipulation of norcantharidin yields (3S,3aR,4S,7R,7aS)-3-hydroxyhexahydro-4,7-epoxyisobenzofuran-1(3H)-one (3), which also displays a high level of anticancer activity against tumour cells but interestingly, shows selectivity towards HT29 (colon; GI50 = 14 μM) and
Cantharidin(1)和norcantharidin(2)对多种肿瘤细胞系均表现出高水平的抗癌活性。降冰草烷素产量(3 S,3a R,4 S,7 R,7a S)-3-羟基六氢-4,7-环氧异苯并呋喃-1(3 H)-一(3)的合成操作,也显示出高水平的对肿瘤细胞的抗癌活性,但有趣的是,它显示出对HT29(结肠; GI 50 = 14μM)和SJ-G2(胶质母细胞瘤; GI 50 = 15μM)细胞的选择性。在(3)产生的非对映异构体对产品在被测细胞系中的细胞毒性没有差异。在此位置(16)掺入异丙基尾部是迄今为止该系列最有希望的化合物,对HT29(结肠; GI 50 = 19μM)和SJ-G2(胶质母细胞瘤; GI 50 = 21μM)细胞具有强选择性 亲本分子,但完全没有针对其余肿瘤细胞系(GI 50 > 100μM)的任何活性。我们还发现,在相同位置引入末端磷酸酯部分(28)