Computational and Experimental Studies of Phthaloyl Peroxide-Mediated Hydroxylation of Arenes Yield a More Reactive Derivative, 4,5-Dichlorophthaloyl Peroxide
作者:Andrew M. Camelio、Yong Liang、Anders M. Eliasen、Trevor C. Johnson、Changxia Yuan、Alex W. Schuppe、K. N. Houk、Dionicio Siegel
DOI:10.1021/acs.joc.5b01079
日期:2015.8.21
experimentally determined to possess enhanced reactivity, has expanded the scope of the reaction while maintaining a high level of tolerance for diverse functional groups. The reaction proceeds through a novel “reverse-rebound” mechanism with diradical intermediates. Mechanistic insight was achieved through isolation and characterization of minor byproducts, determination of linear free energy correlations, and
用邻苯二甲酰过氧化试剂氧化芳烃提供了一种合成苯酚的新方法。通过计算预测并实验确定具有增强的反应性的新的,更具反应性的芳烃氧化剂4,5-二氯邻苯二甲酰过氧化物扩大了反应范围,同时保持了对各种官能团的高度耐受性。该反应通过具有双自由基中间体的新型“逆向反弹”机理进行。通过分离和表征次要副产物,确定线性自由能的相关性以及对芳烃的取代基效应进行计算分析,从而获得了机理上的见解,每一项都为通过双自由基途径进行的反应提供了额外的支持。