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Shift reagent 1H NMR study of methoxycoumarins

✍ Scribed by P. Joseph-Nathan; M. DomÍnguez; D. A. Ortega


Book ID
112127560
Publisher
Journal of Heterocyclic Chemistry
Year
1984
Tongue
English
Weight
281 KB
Volume
21
Category
Article
ISSN
0022-152X

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The complete assignment of the proton NMR spectra of several a-, pand ynaphthoflavones at 100 MHz using Eu(fod), and double resonance experiments has been carried out. The compounds were found to associate at the carbonyi oxygen, by analogy with flavones where complete structural assignment can be a