Synthesis and cytotoxic activity of novel 11-methyl-6H-pyrido[4,3-b]carbazole derivatives linked to amine, N-methylurea, and N-methyl-N-nitrosourea moieties with various types of carbamoyl tethers at the C-5 atom
作者:Asako Kato、Yusuke Nagatsuka、Tomokazu Hiratsuka、Satoko Kiuchi、Yoko Iwase、Yuri Okuno、Tetsuya Tsukamoto、Y.B. Kiran、Norio Sakai、Takeo Konakahara
DOI:10.1016/j.tet.2016.05.068
日期:2016.7
high yields, and their cytotoxic activities were evaluated against Sarcoma-180, NIH3T3, HeLa S-3, and L1210 cell lines. These compounds exhibited potent cytotoxic activity (IC50=1.6–50 μM) and odd-even alternation effect. 9-Methoxy-2,11-dimethyl-5-((2-(3-methyl-3-nitrosoureido)ethyl)carbamoyl)-6H-pyrido[4,3-b]carbazol-2-ium chloride exhibited the most potent cytotoxic activity (IC50=0.15 μM) and cell
三十五种新型吡啶并咔唑(5-(N-烷基)氨基甲酰基-11-甲基-6 H-吡啶并[4,3- b ]咔唑和5-(N-烷基)氨基甲酰基-2,11-二甲基-6通过烷基-,氧烷基-和亚氨基烷基氨基甲酰基连接基与胺,N-甲基脲和N-甲基-N-亚硝基脲部分共轭的H-吡啶并[4,3 - b ]咔唑-2-氯化物衍生物是通过一系列甲基11-甲基-6 H-吡啶并[4,3 - b ]咔唑-5-羧酸酯与聚亚甲基二胺(n = 2–5),对硝基苯基N的反应合成-甲基氨基甲酸酯和N-甲基-N-亚硝基氨基甲酸酯,并评估了它们对肉瘤180,NIH3T3,HeLa S-3和L1210细胞系的细胞毒活性。这些化合物表现出有效的细胞毒活性(IC 50 = 1.6–50μM)和奇偶交替效应。9-甲氧基-2,11-二甲基-5-((2-(3-甲基-3-亚硝基脲基)乙基)氨基甲酰基)-6 H-吡啶基[4,3 - b ]咔唑-2-氯化铵显示最多强大的细胞毒活性(IC