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Structure and properties of 1- and 3-hydroxytriazolo [4,5-b] pyridines

✍ Scribed by Yu. A. Azev; G. A. Mokrushina; I. Ya. Postovskii; Yu. N. Sheinker; O. S. Anisimova


Book ID
112441742
Publisher
Springer US
Year
1976
Tongue
English
Weight
274 KB
Volume
12
Category
Article
ISSN
0009-3122

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## Abstract Several new 3‐aryl‐5‐cyanopyrazolo[3,4‐__b__]pyridines were easily prepared from 3‐amino‐5‐arylpyrazoles and α‐cyanochalcones. Structural analysis using NMR solution studies revealed the 2__H__‐tautomers as the preferred tautomer in solution (DMSO‐d~6~). X‐ray diffraction confirmed the