Palladium/copper-cocatalyzed three-component tandem cyclization of <i>o</i>-alkenyl arylisocyanides and sulfur ylides with alcohols: direct synthesis of spiro 3,3′-cyclopropyl oxindoles
Yue Gong, Xue‐Cen Xu, Zixuan Yang, Yu‐Long Zhao
Abstract
A novel palladium/copper-cocatalyzed tandem cyclization of o -alkenyl arylisocyanides and sulfur ylides with alcohols has been developed, providing a simple and efficient method for the synthesis of spiro 3,3′-cyclopropyl oxindoles in a single step.
Topics & Concepts
ChemistryTandemPalladiumSulfurCopperOrganic chemistryMedicinal chemistryCatalysisComposite materialMaterials scienceCyclopropane Reaction MechanismsCatalytic C–H Functionalization MethodsSulfur-Based Synthesis Techniques