Construction of polysubstituted spiro[2.3] or [3.3] cyclic frameworks fused with a tosylated pyrrolidine promoted by visible-light-induced photosensitization
Xin-Tao Gu, Yin Wei, Min Shi
Abstract
A novel visible-light-induced intramolecular [2 + 2] cycloaddition of methylenecyclopropanes (MCPs) for the rapid construction of polysubstituted spiro[2.3] or [3.3] cyclic frameworks fused with a tosylated pyrrolidine.
Topics & Concepts
PyrrolidineIntramolecular forceChemistryCycloadditionMedicinal chemistryPhotochemistryStereochemistryCatalysisOrganic chemistryRadical Photochemical ReactionsCyclopropane Reaction MechanismsOxidative Organic Chemistry Reactions