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Preparation of Unsaturated Seven and Eight Membered Nitrogen Heterocycles by Iodide-Promoted Alkyne-Iminium Ion Cyclizations
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1992
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Unsaturated SevenChemical EngineeringMedicinal ChemistryEngineeringHeterocyclicIodide-promoted Mannich CyclizationsNatural SciencesOrganic ChemistryOrganometallic CatalysisCatalysisChemistryHeterocycle ChemistryPharmacologyInorganic SynthesisEnantioselective Synthesis
Iodide-promoted Mannich cyclizations of 5-alkynylamines provide convenient access to 3-alkylideneazepanes.