Synthesis of 2-aryl-4-(benzimidazol-2-yl)-1,2-dihydro[1,2,4]triazino-[4,5-a]benzimidazol-1-one derivatives with preferential cytotoxicity against carcinoma cell lines
作者:Jakub Stýskala、Libuše Stýskalová、Jan Slouka、Marián Hajdúch
DOI:10.1016/j.ejmech.2007.01.008
日期:2008.3
4-triazino[4,5-a]benzimidazol-1-ones (5 and 6), containing additional benzimidazole ring. These compounds were prepared using coupling reactions of diazonium salts with 1,1-bis(1-ethoxycarbonyl-benzimidazol-2-yl)methane (2) to obtain unstable hydrazones 4, which readily undergo cyclization. Interestingly, the selected compounds demonstrated preferential cytotoxic activities against human carcinoma and glioma
在本文中,我们描述了一些1,2,4-三嗪并[4,5-a]苯并咪唑-1-酮(5和6)的衍生物的制备,这些衍生物含有额外的苯并咪唑环。使用重氮盐与1,1-双(1-乙氧基羰基-苯并咪唑-2-基)甲烷(2)的偶合反应制备这些化合物,以获得不稳定的unstable4,其容易进行环化。有趣的是,与白血病细胞相比,所选化合物对人癌和神经胶质瘤细胞系表现出优先的细胞毒活性。他们显示出对多药耐药的P-糖蛋白表达细胞系的显着活性,但对多药耐药蛋白1阳性和拓扑异构酶IIalpha阴性白血病的作用较小。