Visible-Light-Promoted Cascade Radical Cyclization: Synthesis of Chroman-4-ones and Dihydroquinolin-4-ones
Hong‐Li Huang, Ji‐Yuan Du, Qian‐Li Li, Fei Gao, Chunlin Ma
Abstract
A novel visible-light photoredox catalysis protocol for the effective and efficient synthesis of 3-substituted chroman-4-ones and 2,3-dihydroquinolin-4(1H)-ones via tandem radical addition/cyclization of alkenyl aldehydes has been described. This reaction features a broad substrate scope, mild reaction conditions, and good functional group tolerance character.
Topics & Concepts
TandemChemistryCombinatorial chemistryScope (computer science)Radical cyclizationFunctional groupCascade reactionSubstrate (aquarium)Photoredox catalysisVisible spectrumCatalysisCascadeReaction conditionsStereochemistryOrganic chemistryComputer sciencePhotocatalysisMaterials scienceChromatographyOceanographyPolymerProgramming languageOptoelectronicsGeologyComposite materialRadical Photochemical ReactionsCatalytic C–H Functionalization MethodsSulfur-Based Synthesis Techniques