The intramolecular hydroarylation of alkynes using a substoichiometric amount of FeCl3 is described. When starting from tetrasubstituted substrates, products resulting from an unexpected toluene (or xylene) elimination are isolated in good yields.
文中描述了使用亚
化学计量量的
三氯化铁对
炔烃进行分子内氢化芳构化反应。当以四取代的底物为起始原料时,通过意外的
甲苯(或二
甲苯)消除反应得到的产品收率很高。