Visible light-induced halogen-atom transfer by N-heterocyclic carbene-ligated boryl radicals for diastereoselective C(sp<sup>3</sup>)–C(sp<sup>2</sup>) bond formation
Luca Capaldo, Ting Wan, Robin Mulder, Jonas Djossou, Timothy Noël
Abstract
In this work, we report the synthesis of vinyl chlorides from chloroalkynes via ligated boryl radicals-mediated XAT under visible light. This study introduces the first protocol using XAT to establish a C(sp 3 )–C(sp 2 ) bond through radical addition.
Topics & Concepts
RadicalCarbeneChemistryHalogenPhotochemistryVisible spectrumMedicinal chemistryStereochemistryCatalysisOrganic chemistryMaterials scienceOptoelectronicsAlkylRadical Photochemical ReactionsCatalytic C–H Functionalization MethodsCatalytic Cross-Coupling Reactions