Synthesis, characterization, and antitumor activity of some novel S-functionalized benzo[<i>d</i>]thiazole-2-thiol derivatives; regioselective coupling to the –SH group
作者:El Sayed Ramadan、Hamida M. Abdel Hamid、Sawsan A. Noureddin、Khadija O. Badahdah
DOI:10.1515/znb-2018-0078
日期:2018.9.25
Abstract Several 2-substituted sulfanyl benzo[d]thiazoles were regioselectively synthesized by the reaction of benzo[d]thiazole-2-thiol (1a) with a variety of reagents under different basic conditions. Some 2-(2,3-disubstituted propyl sulfanyl)benzo[d]thiazoles were obtained from 2-(allylthio)benzo[d]thiazole, which was prepared by the allylation of 1a with allyl bromide in the presence of sodium hydride
摘要 通过苯并[d]噻唑-2-硫醇(1a)与多种试剂在不同的碱性条件下反应,区域选择性地合成了几种2-取代硫基苯并[d]噻唑。2-(烯丙硫基)苯并[d]噻唑是由1a与烯丙基溴在无水氢化钠存在下烯丙基化制得的一些2-(2,3-二取代丙基硫烷基)苯并[d]噻唑。 N,N-二甲基甲酰胺。还研究了 1a 与各种吡唑基-喹喔啉衍生物的反应。通过使用超声辐射合成一些衍生物可以获得更好的产率和更短的反应时间。所有化合物的结构解析均基于分析和光谱数据。在体外测试了新合成的化合物对白化小鼠中生长的艾氏腹水癌 (EAC) 细胞的抗肿瘤活性。阿霉素被用作标准的抗肿瘤抗生素,一些化合物的半数抑制浓度 (IC50) 范围为 40–68 μg mL-1。