An Efficient Metal-Free Oxidative Esterification and Amination of Benzyl C–H Bond
作者:Saiwen Liu、Ru Chen、Guowen He、Jin Zhang
DOI:10.3390/molecules25071527
日期:——
An esterification and amination of benzylic C–H bonds was developed by using 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) under metal- and iodide-free conditions. Both carboxylic acids and amines could be used as ideal coupling partners for the oxidative coupling reactions with various diarylmethanes. A close to equal amount of coupling reagents was enough to afford the product in good to high yields