Synthesis of 2-iminothiazolidin-4-ones <i>via</i> copper-catalyzed [2 + 1 + 2] tandem annulation
作者:Mingming Zhao、Yiming Guo、Qi Wang、Lanqi Liu、Shujie Zhang、Wei Guo、Lin-Ping Wu、Fayang G. Qiu
DOI:10.1039/d2ra07872d
日期:——
In this paper, an efficient synthesis of 2-iminothiazolidin-4-ones through a copper-catalyzed tandem annulation reaction of alkyl amines, isothiocyanates and diazo acetates is presented. Notable advantages of this [2 + 1 + 2] cyclization methodology include readily accessible starting materials, simple operation, mild reaction conditions, high yields, step-economy and diverse functional group tolerance
本文提出了一种通过烷基胺、异硫氰酸酯和重氮乙酸酯的铜催化串联环化反应有效合成 2-亚氨基噻唑烷-4-酮的方法。这种[2+1+2]环化方法的显着优点包括起始原料易得、操作简单、反应条件温和、产率高、步骤经济和多样化的官能团耐受性。此外,该反应适用于克级合成和生物活性分子的制备。