New synthesis of 2-aroylbenzothiazoles <i>via</i> metal-free domino transformations of anilines, acetophenones, and elemental sulfur
作者:Tien V. Huynh、Khang V. Doan、Ngoc T. K. Luong、Duyen T. P. Nguyen、Son H. Doan、Tung T. Nguyen、Nam T. S. Phan
DOI:10.1039/d0ra01750g
日期:——
A new synthesis of 2-aroylbenzothiazoles via iodine-promoted domino transformations of anilines, acetophenones, and elemental sulfur was demonstrated. The highlights of this tandem synthesis are (1) easily available anilines and acetophenones as feedstock; (2) transition metal-free conditions; (3) inexpensive, nontoxic, easy handling, and abundant elemental sulfur as a building block. This synthetic
展示了通过碘促进的苯胺、苯乙酮和元素硫的多米诺转变合成 2-芳酰基苯并噻唑的新方法。这种串联合成的亮点是(1)容易获得的苯胺和苯乙酮作为原料;(2)无过渡金属条件;(3)廉价、无毒、易处理、丰富的单质硫作为砌块。这种合成策略将补充这种重要的杂环支架合成中的现有方法。据我们所知,以前的文献中没有报道过从简单的苯胺、苯乙酮和元素硫形成 2-芳酰基苯并噻唑。