Synthesis and anticancer activities of some novel 2-(benzo[d]thiazol-2-yl)-8-substituted-2H-pyrazolo[4,3-c]quinolin-3(5H)-ones
作者:Raísa da R. Reis、Elisa C. Azevedo、Maria Cecília B.V. de Souza、Vitor Francisco Ferreira、Raquel C. Montenegro、Ana Jérsia Araújo、Cláudia Pessoa、Letícia V. Costa-Lotufo、Manoel O. de Moraes、José D.B.M. Filho、Alessandra M.T. de Souza、Natasha C. de Carvalho、Helena C. Castro、Carlos R. Rodrigues、Thatyana R.A. Vasconcelos
DOI:10.1016/j.ejmech.2011.01.066
日期:2011.4
A series of 2-(benzo[d]thiazol-2-yl)-8-substituted-2H-pyrazolo[4,3-c]quinolin-3(5H)-ones (3a–g) have been synthesized and evaluated for their in vitro antiproliferative activities against four human cancer cell lines: MDA-MB-435 (breast), HL-60 (leukemia), HCT-8 (colon) and SF-295 (central nervous system). The results showed that the compounds 3b (2-(benzo[d]thiazol-2-yl)-8-methyl-2H-pyrazolo[4,3-
合成了一系列的2-(苯并[ d ]噻唑-2-基)-8-取代的2 H-吡唑并[4,3 - c ]喹啉-3(5 H)-ones(3a – g),评估了它们对四种人类癌细胞系的体外抗增殖活性:MDA-MB-435(乳腺癌),HL-60(白血病),HCT-8(结肠)和SF-295(中枢神经系统)。结果显示化合物3b(2-(苯并[ d ]噻唑-2-基)-8-甲基-2 H-吡唑并[4,3 - c ]喹啉-3(5 H)-one)和3c( 2-(苯并[ d ]噻唑-2-基)-8-溴-2 H-pyrazolo [4,3- c ] quinolin-3(5 H)-one)对三种细胞系均表现出良好的细胞毒性,IC 50值低于5μg/ mL。对理论毒性风险的分析表明,与阳性对照阿霉素相比,与3b和3c有关的中等致癌和刺激性风险。