作者:Jungan Zhang、Peipei Li、Hongyun Zeng、Yu Huang、Wei Hong
DOI:10.1080/00397911.2020.1718711
日期:2020.3.3
Abstract 2,4-Diphenyl thiazole is an important organic intermediate and its derivatives contain multiple biological properties. In the present study, we reported a new protocol to synthesize 2,4-diphenyl thiazole analogs, which involved the bromination of ethyl benzoylacetates with NBS in the presence of 2-hydroxypropyl-β-cyclodextrin, followed by a direct cyclization with thiobenzamides in water.
摘要 2,4-二苯基噻唑是一种重要的有机中间体,其衍生物具有多种生物学特性。在本研究中,我们报告了一种合成 2,4-二苯基噻唑类似物的新方案,该方案涉及在 2-羟丙基-β-环糊精存在下用 NBS 溴化苯甲酰乙酸乙酯,然后在水中与硫代苯甲酰胺直接环化. 与报道的方法相比,目前的方案包含更少的反应步骤、更温和的反应条件和更简单的后处理程序。图形概要