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Digitale Medien

A study of imidazole by the proton magnetic resonance method (1970)

Teterin, Yu. A. ; Kiselev, A. G. ; Nikolenko, L. N.

Springer

Chemistry of heterocyclic compounds 6 (1970), S. 750-753

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Details

ISSN: 1573-8353

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The concentration dependence of the chemical shifts of the protons of imidazole in six polar organic solvents and water has been studied. In aqueous solutions an exchange of the NH protons between the imidazole and the water molecules takes place. In organic solvents, the position and half-width of the NH line of imidazole depend on the concentration. With an increase in the concentration, this line shifts in the downfield direction. The shift δ (1 ppm for a solution of imidazole in DMSO) may be due to the formation of an ordinary hydrogen bond (〉 NH ⋯ N ≤) between the imidazole molecules.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00470534

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