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<i>N</i>-Bromosuccinimide as an Almost Neutral Catalyst for Efficient Synthesis of Dihydropyrimidinones Under Microwave Irradiation
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2004
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Chemical EngineeringNovel OrganocatalystsEngineeringAlmost Neutral CatalystCorresponding Thio-derivativesOrganic ChemistryMicrowave IrradiationCatalysisEfficient SynthesisChemistryNeutral CatalystSynthesis MethodHalogenationMicrowave SynthesisSynthetic ChemistryEnantioselective SynthesisCatalytic Synthesis
NBS has been used as a mild, efficient and almost neutral catalyst for the preparation of dihydropyrimidinones (DHPMs) and the corresponding thio-derivatives under microwave irradiation. By this method, a wide variety of DHPMs were synthesized in good to high yields.