Dyedauxiliary Group Strategy for the α-Functionalization of Ketones and Esters
Lorenzo Di Terlizzi, Ivana Cola, Carlotta Raviola, Maurizio Fagnoni, Stefano Protti
Abstract
The synthesis of α-arylketones and α-arylazo esters has been achieved in mixed organic-aqueous media under photocatalyst- and metal-free conditions via visible light activation of arylazo sulfones in the presence of enol silyl ethers and ketene silyl acetals, respectively. The process took place efficiently and exhibits an excellent tolerance for a broad variety of functional groups.
Topics & Concepts
SilylationKeteneEnolSurface modificationChemistryAqueous mediumFunctional groupGroup (periodic table)PhotocatalysisOrganic chemistryAqueous solutionCatalysisCombinatorial chemistryPolymerPhysical chemistrySulfur-Based Synthesis TechniquesRadical Photochemical ReactionsCatalytic C–H Functionalization Methods