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Hydrogen bonding and tautomerism in 3-hydroxy-1,3-diphenyltriazene: Infrared studies

✍ Scribed by D.N. Purohit

Book ID
103905762
Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
339 KB
Volume
41
Category
Article
ISSN
1386-1425

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✦ Synopsis

Complete

i.r. spectra of 3-hydroxy-1,3_diphenyltriazene have been analysed. Bands corresponding to tautomeric triazene oxide and hydroxytriazene forms have been assigned and a strongly intramolecular hydrogen bonded form is proposed. This is supported by the analysis of the spectra of copper, nickel, palladium, ferric and vanadyl complexes of 3-hydroxy-1,3-diphenyltriaxene.

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## Abstract The 1,3‐tautomerism associated with 2‐(2‐hydroxy‐5‐substituted‐aryl)benzimidazoles was studied in different solvents. The effect of hydrogen bonding involving the hydroxyl group of the 2‐aryl ring on the tautomerism was investigated using NMR spectroscopy. The influence of the solvent c