Tetrahedron

Synthesis and characterization of 2, 6-bis-hydrazinopyridine, and its conversion to 2, 6-bis-pyrazolylpyridines

KA Brien, CM Garner, KG Pinney

Index: Brien, Kimberly A.; Garner, Charles M.; Pinney, Kevin G. Tetrahedron, 2006 , vol. 62, # 15 p. 3663 - 3666

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Citation Number: 17

Abstract

2, 6-Bis-hydrazinopyridine has been prepared and characterized for the first time. This material is useful for the preparation of a wide variety of 2, 6-bis-pyrazolylpyridines. This approach represents the most efficient preparation to date of sterically crowded 2, 6-bis- pyrazolylpyridines, and the only method for the preparation of pyrazolylpyridines containing unsymmetrically 3′, 5′-disubstituted pyrazoles with the larger groups in the 5′ ...

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