Halogenation Using Quaternary Ammonium Polyhalides. XI. Bromination of Acetanilides by Use of Tetraalkylammonium Polyhalides
作者:Shoji Kajigaeshi、Takaaki Kakinami、Hiromichi Yamasaki、Shizuo Fujisaki、Tsuyoshi Okamoto
DOI:10.1246/bcsj.61.2681
日期:1988.7
The reaction of acetanilides with tetraalkylammonium polyhalides, such as tetrabutylammonium tribromide, benzyltrimethylammonium tribromide, and benzyltrimethylammonium chlorobromate(1–), in dichloromethane-methanol at room temperature gave bromosubstituted acetanilides in good yields, respectively.
乙酰苯胺与四烷基多卤化
铵(如
四丁基三溴化铵、
苄基三甲基三溴化铵和苄基三
甲基氯溴酸铵(1-))在
二氯甲烷-
甲醇中在室温下反应,分别以良好的收率得到
溴取代的
乙酰苯胺。