A new method has been developed for the synthesis of 2,3-disubstituted benzothiophenes involving the palladium-catalyzed annulation of aryl sulfides with alkynes. This convergent approach exhibited good functional group tolerance, providing rapid access to a diverse array of derivatives from simple, readily available starting materials. This protocol can also be used to synthesize 2-silyl-substituted
已开发出一种新的合成2,3-二取代的
苯并噻吩的方法,该方法涉及
钯催化的芳基
硫醚与
炔烃的环化反应。这种趋同的方法表现出良好的官能团耐受性,可从简单,容易获得的起始原料中快速获得各种衍
生物。该协议也可用于合成2-甲
硅烷基取代的
苯并噻吩,可用作合成2,3-不对称取代的
苯并噻吩的通用平台。