2‐(4‐methylpyridin‐2‐yl)‐1 H ‐benzimidazole derivatives. Part II,  l H nmr characterization | Zendy

Barni Ermanno | Zendy; Barolo Claudia | Zendy; Quagliotto Pierluigi | Zendy; Savarino Piero | Zendy; Viscardi Guido | Zendy; Marabello Domenica | Zendy

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

Author(s) -

Barni Ermanno,

Barolo Claudia,

Quagliotto Pierluigi,

Savarino Piero,

Viscardi Guido,

Marabello Domenica

Publication year - 2003

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570400414

Subject(s) - chemistry , benzimidazole , imidazole , tautomer , hydrogen bond , proton nmr , stereochemistry , two dimensional nuclear magnetic resonance spectroscopy , crystallography , medicinal chemistry , molecule , organic chemistry

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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