The effect of the solvents on the specific intramolecular C-H...N interactions studied by1H NMR spectroscopy |
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| Authors: | A V Afonin |
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| Institution: | (1) Irkutsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 ul. Favorskogo, 664033 Irkutsk, Russian Federation |
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| Abstract: | The analysis of the effect of the solvents on the proton chemical shifts in1H NMR spectra of 2-vinyloxypyridine indicates that the C—H...N interaction of weak intramolecular hydrogen bond type hinders the formation of intermolecular hydrogen C—H...X and C-H... bonds. The protonating solvents reduce the intramolecular C—H...N interaction due to association with the N atom of the pyridine cycle.Translated fromIzvestiya Akademii Nauk. Seriya Khimieheskaya, No. S, pp. 1202–1204, May, 1996. |
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| Keywords: | 1H NMR spectra chemical shifts influence of solvents intra- and intermolecular hydrogen C-H X bonds |
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