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Asymmetric synthesis of spirofuro[2,3-<i>b</i>]azepine-5,3′-indoline derivatives<i>via</i>cycloisomerization/[4 + 3] annulation process under Au/N-heterocyclic carbene relay catalysis

Mengwei You, Yan Li, Xin Lv, Guodong Shen, Xiao Xiao, Liejin Zhou

2023Organic Chemistry Frontiers31 citationsDOI

Abstract

A variety of enantioenriched spirofuro[2,3- b ]azepine-5,3’-indoline derivatives were synthesized via Au(I)/chiral NHC relay catalyzed cycloisomerization/asymmetric [4+3] annulation.

Topics & Concepts

CycloisomerizationAzepineAnnulationChemistryIndolineRelayCatalysisStereochemistryCombinatorial chemistryOrganic chemistryPhysicsQuantum mechanicsPower (physics)N-Heterocyclic Carbenes in Organic and Inorganic ChemistryCatalytic Alkyne ReactionsCyclopropane Reaction Mechanisms
Asymmetric synthesis of spirofuro[2,3-<i>b</i>]azepine-5,3′-indoline derivatives<i>via</i>cycloisomerization/[4 + 3] annulation process under Au/N-heterocyclic carbene relay catalysis | Litcius