Photocatalytic three-component annulation enabling stereoselective generation of (<i>Z</i>)-thiochromene 1,1-dioxides
Kexian Song, Xiao‐Yan Qin, Zixuan Ma, Fang-Zhou Geng, Wen‐Juan Hao, Shu‐Jiang Tu, Bo Jiang
Abstract
A new photocatalytic three-component annulation of 2-alkynylaryldiazonium tetrafluoroborates with γ-hydroxyl terminal alkynes and sodium metabisulfite is reported and used to produce a series of ( Z )-thiochromene 1,1-dioxides.
Topics & Concepts
AnnulationChemistryStereoselectivityPhotocatalysisComponent (thermodynamics)Sodium metabisulfiteOrganic chemistryCombinatorial chemistryMedicinal chemistryCatalysisPhysicsThermodynamicsSulfur-Based Synthesis TechniquesRadical Photochemical ReactionsOxidative Organic Chemistry Reactions