One-Pot, Two-Step Metal and Acid-Free Synthesis of Trisubstituted Imidazole Derivatives via Oxidation of Internal Alkynes Using an Iodine/DMSO System
作者:Shivani Naidoo、Vineet Jeena
DOI:10.1002/ejoc.201801584
日期:2019.2.7
A one‐pot, two‐step, simple, efficient and eco‐friendly oxidation of internal alkynes as a key step towards the synthesis of 2,4,5‐trisubstituted imidazoles, using an inexpensive I2/DMSO system, has been reported. This metal and acid‐free reaction proceeded smoothly to furnish a variety of substituted imidazoles in moderate to excellent yields.
据报道,使用廉价的I 2 / DMSO系统对内部炔烃进行一锅,两步,简单,高效和环保的氧化是合成2,4,5-三取代的咪唑的关键步骤。这种无金属和无酸的反应进行得很顺利,以中等到极好的收率提供了各种取代的咪唑。