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Electron-donor properties of the pyridine 1-oxide ring

✍ Scribed by A. R. Katritzky

Book ID
104586117
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
166 KB
Volume
78
Category
Article
ISSN
0165-0513

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✦ Synopsis

Abstract

Available evidence for the electron‐donor properties of the pyridine and pyridine 1‐oxide rings is briefly reviewed. The positions and intensities of the CN stretching band in cyano‐pyridines and ‐pyridine 1‐oxides confirms that electron availability in the pyridine ring decreases at the nuclear positions in the order 3≫4>2 and in the pyridine 1‐oxide ring in the order 4 ≫ 3 ∼ 2.

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