N.M.R. Spectral Studies of Some Quinolone Derivatives. Part III. 1 Carbon-13 Magnetic Resonance Spectral Studies of 2- and 4-Quinolone Derivatives
β Scribed by Claret, Paul A.; Osborne, Alan G.
- Book ID
- 125848668
- Publisher
- Taylor and Francis Group
- Year
- 1976
- Tongue
- English
- Weight
- 281 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0038-7010
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## Abstract The influence of incorporating an group, an oxygen atom and the fragment in a saturated 7βmembered ring system on carbonβ13 n.m.r. chemical shifts is examined, and also, the influence of the dioxolane ring moiety on the ^13^C chemical shifts in these ring systems. Substituent effects
The 400 MHz t H and 15 MHz 13 C N MR spectra of a series of 2,4-diphenylquinoline derivatives are presented. The characteristic H-3 and ipso-phenyl carbon signals are the most useful for the identification of these compounds. The effects of a peri-phenyl/methyl couple upon the ~ H and 13C NMR spectr