Recent Developments on Catalyst‐Free, Visible‐Light‐Triggered Synthesis of Heterocyclic Scaffolds and Their Mechanistic Study

Abstract In recent years, visible‐light promoted reactions have become a powerful tool for organic synthesis by activating small molecules. This review presents an overview of the catalyst‐free synthesis of heterocyclic compounds with one or more than one heteroatoms under visible‐light irradiation in various solvents or solvent‐free conditions reported from 2013 on.