Visible‐Light‐Induced Photocatalyst‐Free Oxidative Cyclization of Primary Alcohols by Selectfluor <i>via</i> HAT Process: Synthesis of Quinazolinones and Benzothiadiazines
Kesavan Prasanth, Mandapati Bhargava Reddy, Ramasamy Anandhan
Abstract
Abstract A mild and convenient method for oxidative cyclization of primary alcohols with o ‐aminobenzamides and o ‐aminobenzenesulfonamides to achieve quinazolinones and benzothiadiazines by selectfluor under visible‐light irradiation was reported. Selectfluor is used as hydrogen atom transfer reagent for oxidative cyclization under visible light irradiation. This photochemical approach offers broad substrate scope of quinazolinones and benzothiadiazines under mild reaction conditions.
Topics & Concepts
SelectfluorChemistryReagentPhotocatalysisPhotochemistryOxidative phosphorylationPrimary (astronomy)Visible spectrumSubstrate (aquarium)Hydrogen atomIrradiationCombinatorial chemistryOrganic chemistryCatalysisBiochemistryOceanographyNuclear physicsOptoelectronicsPhysicsGeologyAlkylAstronomyQuinazolinone synthesis and applicationsRadical Photochemical ReactionsPhenothiazines and Benzothiazines Synthesis and Activities