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NMR spectra of molecules oriented in a lyotropic mesophase. II. Spectra of pyridine and pyridine N-oxide

✍ Scribed by C.L Khetrapal; A.C Kunwar; A.V Patankar

Publisher
Elsevier Science
Year
1974
Weight
393 KB
Volume
15
Category
Article
ISSN
0022-2364

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NMR spectra of molecules oriented in a l
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## Abstract Analysis of the ^1^H NMR spectrum of γ‐hydroxypyridine dissolved in the lyotropic mesophase formed by a 14 : 1 : 1 : 20 mixture (by weight) of sodium dodecyl sulphate, decanol, sodium sulphate and D~2~O provides all the spectral parameters with reasonable precision. The chemical shift,

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Aromatic I3C chemical shifts of 4-and hubstituted pyridine N-oxides in aprotic and protic solvents are reported and discussed. Changes in chemical shifts caused by hydrogen bonding and protonation are much smaller than those induced by a substituent, and are not related to the pK, values of N-oxides