One-pot mild and efficient synthesis of [1,3]thiazino[3,2-<i>a</i>]indol-4-ones and their anti-proliferative activity
作者:Steven Rhodes、Spencer Short、Sidhika Sharma、Ramneet Kaur、Mukund Jha
DOI:10.1039/c9ob00500e
日期:——
A base mediated environmentally benign one-pot efficient methodology has been developed for the synthesis of [1,3]thiazino[3,2-a]indol-4-ones using indoline-2-thiones and propiolate esters in aqueous medium. The conjugate addition of thiones first results in ethyl (3-(indol-2-yl)thio)acrylates in situ, which subsequently undergoes intramolecular cyclization to produce indole-fused thiazin-4-ones in
已开发了一种基础介导的环境友好的一锅高效方法,该方法可在水介质中使用二氢吲哚-2-硫酮和丙酸酯来合成[1,3]噻嗪并[3,2-a]吲哚-4-酮。硫酮的共轭加成首先导致原位(3-(吲哚-2-基)硫代)丙烯酸乙酯,随后对其进行分子内环化反应,以高至优异的产率生产吲哚稠合的噻嗪-4-酮。使用MTT分析法对合成化合物进行细胞毒性筛选,揭示了这些骨架对4H- [1,3]噻嗪子[3,2-a]吲哚-4产生的最高活性的三阴性乳腺癌细胞系的抗增殖性质。 -一和8-甲基-2-丙基-4H- [1,3]噻嗪基[3,2-a]吲哚-4-酮化合物。