Metal-Free Selective para-Tosyloxylation of N-Arylbenzamides using [Hydroxy(tosyloxy)iodo]benzene
作者:Neha Rani、Deepak Kumar Aneja、Mayank Kinger、Rinku Soni、Monika Sihag、Sandeep Malik
DOI:10.2174/0115701786275866231117113843
日期:2024.5
An efficient approach for the tosyloxyl group transfer in several N-arylbenzamides has been achieved using HTIB (Koser’s reagent) under mild reaction conditions. Its simplicity, efficiency, and reduced reliance on hazardous reagents make it an attractive choice for chemists seeking sustainable alternatives. The proposed methodology offered single-step para-selective tosyloxylation, ensuring the prevention
使用 HTIB(Koser 试剂)在温和的反应条件下实现了几种 N-芳基苯甲酰胺中甲苯磺酰氧基转移的有效方法。它的简单性、高效性和减少对危险试剂的依赖使其成为寻求可持续替代品的化学家的有吸引力的选择。所提出的方法提供了单步对位选择性甲苯磺酰氧基化,确保防止邻位和间位异构体混合物的合成。得到了相应的产物,具有中等至优异的效率。目前的方法不再需要刺激性、酸性和有毒的金属,确保更安全的处理并最大限度地减少对环境的影响。已经提出了一种涉及碘鎓叶立德的 N-芳基苯甲酰胺甲苯磺酰氧基化的合理机制。