A ligand-free CuI-catalyzed cascade CâS and CâN cross coupling of (hetero)aryl ortho-dihalides and ortho-aminobenzenethiols has been developed, and various phenothiazines were synthesized with excellent regioselectivity. A possible mechanism is proposed for the cascade coupling.
一种无
配体CuI催化的级联CâS和CâN交叉偶联反应已被开发,用于合成(杂)芳基邻二卤代物和邻
氨基
苯硫醇,并实现了多种
吩噻嗪的高区域选择性合成。同时,还提出了一种可能的级联偶联反应机理。