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Chemical Shifts of the [ N ]Phenylenes and Related Compounds

✍ Scribed by Schulman, Jerome M.; Disch, Raymond L.; Jiao, Haijun; Schleyer, Paul von Ragué

Book ID
126446279
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
71 KB
Volume
102
Category
Article
ISSN
1089-5639

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The 13C NMR of ethylenic carbon atoms in the methylene-interrupted cis double bonds as found in polyunsaturated fatty acids (PUFAs), their precursors and analogs was studied. The chemical shifts of unsaturated carbon atoms are strongly dependent on a combination of electric Ðeld e †ects from the hea