作者:Feroze Ujjainwalla、Maria Lucília E.N. da Mata、Andrew M.K. Pennell、Carmen Escolano、William B. Motherwell、Santiago Vázquez
DOI:10.1016/j.tet.2015.07.048
日期:2015.9
intramolecular free radical [1,5]-ipso-substitution using sulfonamide and sulfonate derived tethering chains. The overall efficiency of the process is determined by appropriately positioned substituents on the aromatic acceptor ring. The extension of the process to benzylic sulfonates and their corresponding N-methylsulfonamide alternatives as substrates in potential [1,6]-ipso-substitution reactions leads
使用磺酰胺和磺酸酯衍生的束缚链,通过分子内自由基[1,5] -ipso取代制备各种官能化的联芳基和杂联芳基。该方法的总效率由芳族受体环上适当定位的取代基决定。该方法的扩展来苄基磺酸酯和它们的相应Ñ -methylsulfonamide替代作为底物在潜在[1,6] -本位3'-取代反应引线主要以替代[1,7]加成产物。