Palladium-catalyzed radical cascade cyanoalkylsulfonylation/cyclization of 3-arylethynyl-[1,1′-biphenyl]-2-carbonitriles with cyclobutanone oxime esters and DABSO
Nengneng Zhou, Qiankun Xu, Ziqin Xia, Kaimo Kuang, Sixin Wu, Wenping Li, Man Zhang
Abstract
A palladium-catalyzed radical cascade cyanoalkylsulfonylation/cyclization of 3-arylethynyl-[1,1′-biphenyl]-2-carbonitriles with DABCO·(SO 2 ) 2 and cyclobutanone oxime esters via cleavage of a C–C single bond and insertion of SO 2 was described.
Topics & Concepts
CyclobutanoneChemistryPalladiumCatalysisBiphenylOximeDABCOMedicinal chemistrySubstrate (aquarium)CascadeCascade reactionBond cleavageRadical cyclizationFunctional groupCombinatorial chemistryOrganic chemistryRing (chemistry)GeologyPolymerOceanographyChromatographySulfur-Based Synthesis TechniquesCatalytic C–H Functionalization MethodsRadical Photochemical Reactions