New cascade reaction of azides with malononitrile dimer to polyfunctional [1,2,3]triazolo[4,5-b]pyridine |
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Authors: | Nazariy T Pokhodylo Olga Ya Shyyka |
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Institution: | 1. Department of Organic Chemistry, Ivan Franko National University of Lviv, Lviv, Ukrainepokhodylo@gmail.com;3. Department of Organic Chemistry, Ivan Franko National University of Lviv, Lviv, Ukraine |
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Abstract: | A new cascade reaction of azides with malononitrile dimer yielding polyfunctional 1,2,3]triazolo4,5-b]pyridine was found. It was established that during the reaction of aryl azides with malononitrile dimer, under base catalysis, the formed intermediate triazole underwent spontaneous cyclization leading to the pyridine ring annulation. The obtained products have provided a new entry to 1,2,3]triazolo4,5-b]pyridine. |
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Keywords: | [1 2 3]Triazolo[4 5-b]pyridine 1 2 3-triazoles azides cascade reaction |
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