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Long-range carbon-13-proton coupling constants. I. Cyanopyridines

✍ Scribed by Takeuchi, Yoshito; Dennis, Nicholas

Book ID
127347019
Publisher
American Chemical Society
Year
1974
Tongue
English
Weight
401 KB
Volume
96
Category
Article
ISSN
0002-7863

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Long range carbon–proton coupling consta
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## Abstract Carbon‐13 NMR spectra of pyridine have been observed by using the slow scan technique in the absorption mode. The long range coupling constants between carbon‐13 and protons have been obtained and assigned by the isotope substitution method.

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## Abstract Long‐range proton‐carbon coupling constants, __^n^J__~CH~, were measured for some simple norbornene derivatives. Among the influence of substitution pattern, a study of the experimental influence of the double bond in the norbornene skeleton on ^2^__J__~CH~ and ^3^__J__~CH~ was made, ta