ω-Substituted-2-(polyenamino)- or annelated nitropyridines from 1-(3-cyano-5-nitropyridyl-2)-pyridinium salts

Add time:07/28/2019    Source:sciencedirect.com

The interaction of 1-(3-cyano-5-nitropyridyl-2)pyridinium salts with different nucleophilic reagents yields 2-substituted 3-cyano-5-nitropyridine, including 2-polyenamino derivatives, 3-Nitro-5(H)-5-iminodipyrido/vb1,2-a:3,2-e/vbpyrimidine hydrochloride is synthesized by the reaction of 2-chloro-3-cyano-5-nitropyridine with 2-aminopyridine.

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