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17O NMR spectroscopic investigation of intramolecular hydrogen bonding for ortho-nitrophenols

โœ Scribed by David W. Boykin


Book ID
107807011
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
643 KB
Volume
295
Category
Article
ISSN
0022-2860

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17O NMR spectroscopy: Study of intramole
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## Abstract Natural abundance ^17^O NMR data for fifteen 2โ€ and 4โ€substituted phenols, ten 3โ€and 5โ€substituted 2โ€hydroxybenzaldehydes and eight 3โ€substituted benzaldehydes, recorded at 75ยฐC in acetonitrile are reported. The chemical shift change due to intramolecular hydrogen bonding for the phenol

NMR of Enaminones Part 3โ€”1H, 13C and 17O
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17O, 13C and 1H NMR spectra for paraand meta-substituted 4-arylaminopent-3-en-2-ones (acyclic enaminones, 1 and 2) and 3-arylaminocyclohex-2-en-1-ones (cyclic enaminones, 3 and 4) are reported. The 17O, 13C and 1H shift values of these enaminones correlate well with and constants in the correlations