Pyrido[2,3-c]furoxan as a probable intermediate in the reaction of 2-nitro-3-azidopyridine with amines
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Two parallel reactions, viz., cyclization of 2-nitro-3-azidopyridine to pyrido-[2,3-c]furoxan, which is aminated in the 6 position of the pyridine ring with opening of the furoxan ring, and reduction of the azido group to form 2-nitro-3-aminopyridine, occur in the reaction of 2-nitro-3-azidopyridine with amines. It was established that pyrido[2,3-c]furoxan reacts with amines in aqueous media in the 1-oxide form.
KeywordsOrganic Chemistry Pyridine Aqueous Medium Pyridine Ring Parallel Reaction
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