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2-(4-methylpyridin-2-yl)-1H-benzimidazole derivatives. Part II, lH nmr characterization

✍ Scribed by Ermanno Barni; Claudia Barolo; Pierluigi Quagliotto; Piero Savarino; Guido Viscardi; Domenica Marabello

Book ID: 102340955
Publisher: Journal of Heterocyclic Chemistry
Year: 2003
Tongue: English
Weight: 66 KB
Volume: 40
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570400414

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✦ Synopsis

Abstract

A selected series of 2‐(4‐methylpyridin‐2‐yl)‐1__H__‐benzimidazole derivatives, bases and cyclic mono‐ and bis‐salts, were synthesized. Complete ^'1^H nmr characterization is reported. Ambiguous assignments were solved using ^1^H‐^1^H NOESY analysis. Significant ir and ^1^H nmr data are presented concerning: i) tautomeric equilibrium of imidazole hydrogen; ii) hydrogen bonds; iii) conformational inversion of partially saturated rings.

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