Synthesis of isothiosemicarbazones of potential antitumoral activity through a multicomponent reaction involving allylic bromides, carbonyl compounds and thiosemicarbazide
作者:Laiéli S. Munaretto、Misael Ferreira、Daniela P. Gouvêa、Adailton J. Bortoluzzi、Laura S. Assunção、Juliana Inaba、Tânia B. Creczynski-Pasa、Marcus M. Sá
DOI:10.1016/j.tet.2020.131231
日期:2020.6
of isothiosemicarbazones and 2-hydrazono-1,3-thiazin-4-ones through a multicomponent reaction featuring allylic bromides, carbonyl compounds and thiosemicarbazides is described. The transformations proceed under mild and environmentally benign conditions with high yields and stereoselectivity. All novel compounds were obtained in high purity without the need for chromatography stages. Different functional
描述了通过特征在于烯丙基溴,羰基化合物和硫代氨基脲的多组分反应合成异硫代半氨基甲酮和2-肼基-1,3-噻嗪-4-酮的简便方法。转化在温和的环境良性条件下进行,具有高产率和立体选择性。所有新化合物均以高纯度获得,无需色谱步骤。不同的官能团具有良好的耐受性,包括卤素,烷氧基,硝基和不饱和基团。这个简单的协议可以直接访问具有药理特权结构的各种高度功能化的物质。所有化合物均经过充分表征,关键产品的结构分配均通过X射线衍射分析明确证实。