Synthesis of 3,4-diaminopyridine and imi
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J. M. Bakke; J. Riha
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Article
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1999
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Journal of Heterocyclic Chemistry
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English
β 252 KB
## Abstract New methods for the preparation of 3,4βdiaminopyridine (5) and imidazo[4,5β__c__]pyridines 7a,7b based on direct nitration of 4βacylaminopyridines 3a, 3b have been explored.