Alumina-supported copper sulfate efficiently catalyzes the S-arylation of aromatic, heteroaromatic and aliphatic thiols with aryl as well as heteroaryl halides under aerobic, ligand-free conditions. This protocol provides an easy access to a variety of thioethers as well as unsymmetrical bis-thioethers by base-controlled differential coupling of thiols with iodo- and bromo-substituents in an aromatic
氧化铝负载的
硫酸铜可在无氧,无
配体的条件下,有效地催化芳基,杂芳族和脂肪族
硫醇与芳基以及杂芳基卤化物的S-芳基化反应。该协议通过在芳香族卤化物中通过
硫醇与
碘代和
溴代取代基的碱基控制的差分偶联,轻松获得各种
硫醚以及不对称的双
硫醚。该催化剂便宜,对空气不敏感,环境友好且可回收。