photoredox-catalyzed coupling of N-aryltetrahydroisoquinoline and Michael acceptors was achieved using Ru(bpy)3Cl2 or [Ir(ppy)2(dtb-bpy)]PF6 in combination with irradiation at 455 nm generated by a blue LED, demonstrating the trapping of visible light generated α-amino radicals. While intermolecular reactions lead to products formed by a conjugate addition, in intramolecular variants further dehydrogenation occurs
使用Ru(bpy)3 Cl 2或[Ir(ppy)2(dtb-bpy)] PF 6结合蓝色LED产生的455 nm辐射,实现N-芳基四氢异喹啉和Michael受体的光氧化还原催化偶联,表明捕获了可见光产生的α-氨基自由基。虽然分子间反应导致通过缀合物加成形成的产物,但是在分子内变体中发生进一步的脱氢,直接导致5,6-二氢吲哚并[2,1- a ]四氢异喹啉,这与潜在的免疫抑制剂有关。