Synthesis, cytotoxicity, and DNA-topoisomerase inhibitory activity of new asymmetric ureas and thioureas
作者:Andressa Esteves-Souza、Kenia Pissinate、Maria da Graça Nascimento、Noema Faiga Grynberg、Aurea Echevarria
DOI:10.1016/j.bmc.2005.08.031
日期:2006.1
A new series of N-3,3-diphenylpropyl-N-(p-X-benzyl)-N'-phenylureas (5a-g) and thioureas (6a-g) were synthesized by the reaction of secondary amines and phenyl isocyanate or isothiocyanate. The cytotoxic effects of the urea and thiourea derivatives were evaluated by MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay against Ehrlich carcinoma and K562 human leukemia cells. Moreover
通过仲胺与异氰酸苯酯或异硫氰酸苯酯的反应合成了一系列新的N-3,3-二苯丙基-N-(对-苄基)-N'-苯基脲(5a-g)和硫脲(6a-g)。通过MTT(3-(4,5-二甲基噻唑-2-基)-2,5-二苯基四氮唑溴化物)测定法评估尿素和硫脲衍生物对艾氏癌和K562人白血病细胞的细胞毒性作用。此外,测试了化合物在抑制DNA拓扑异构酶I和II-α中的活性。结果表明该化合物具有重要的和有希望的抗增殖作用。