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Brønsted Acid Catalysis: Organocatalytic Hydrogenation of Imines
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2005
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Chemical EngineeringNovel OrganocatalystsEngineeringHydrogen SourceNew Brønsted AcidOrganic ChemistryOrganometallic CatalysisCatalysisDiphenyl PhosphateChemistryHydrogenHomogeneous CatalysisHalogenationMolecular CatalysisSynthetic ChemistryOrganocatalytic Hydrogenation
A new Brønsted acid catalysed hydrogenation of imines with Hantzsch dihydropyridine as the hydrogen source has been developed. Diphenyl phosphate (DPP) and various other acids catalyse this first metal-free hydrogen transfer to give various amines under mild reaction conditions.