Visible-light-mediated cascade cyanoalkylsulfonylation/cyclization of alkynoates leading to coumarins <i>via</i> SO<sub>2</sub> insertion
Pu Chen, Zan Chen, Biquan Xiong, Yun Liang, Kewen Tang, Jun Xie, Yu Liu
Abstract
A visible-light-mediated cascade cyanoalkylsulfonylation/cyclization of alkynoates with cycloketone oxime compounds for the preparation of 3-cyanoalkylsulfonylcoumarins <italic>via</italic> SO<sub>2</sub> insertion is reported.
Topics & Concepts
SulfonylChemistryTriple bondOximeTandemRadical cyclizationRing (chemistry)PhotochemistryCascade reactionCarbon fibersReinforced carbon–carbonMedicinal chemistryStereochemistryCombinatorial chemistryPolymer chemistryOrganic chemistryDouble bondMaterials scienceCatalysisComposite materialComposite numberAlkylSulfur-Based Synthesis TechniquesRadical Photochemical ReactionsCatalytic C–H Functionalization Methods