Visible Light-mediated Copper Catalyzed Regioselective Diamination of Terminal Alkynes at Room Temperature: A Facile Synthesis of Substituted Imidazo[1,2-α]pyridine

We have developed a visible-light mediated copper(I) chloride catalyzed regioselective oxidative diamination reaction of 2-aminopyridines with terminal alkynes to form substituted imidazo[1,2-]pyridines products at room temperature using molecular oxygen as...