Organic Letters · 2014 · 167 citations · 56 references
Natural SciencesChemical EngineeringChemistryCatalysisInorganic ChemistryOrganic ChemistryCatalyst DesignCatalyst SynthesisHalogen ChemistryHeterocyclic ChemistryReaction MechanismsAza-diels-alder ReactionHalogen Functionalization
2-Halogenoimidazolium salts are found to catalyze aza-Diels-Alder reaction of aldimines with Danishefsky diene in an efficient manner. Comparative studies and titration experiments support the formation of halogen bonding between imines and catalysts.
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