Heterocyclic Compounds
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ChemInform Abstract: Synthesis of 3,4-Diaminopyridine and Imidazo[4,5-c]pyridines by Nitration of 4-Acylaminopyridines.
First published: 09 June 2010
Abstract
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ChemInform Abstract
New methods for the synthesis of 3,4-diaminopyridine (VI) and imidazopyridines (IV) via the intermediacy of 3-nitro-4-acylaminopyridines, generated by direct nitration of 4-acylaminopyridines, are described.
