## Abstract The hydroxyl proton chemical shifts of β‐dicarbonyl compounds involving various β‐substituents have been studied. An additive influence of β‐substituents on the δ~OH~ shift values has been found. The results obtained suggested the existence of only one potential proton energy minimum in
✦ LIBER ✦
Investigation of the migration of the proton in the intramolecular hydrogen bond of β-dicarbonyl compounds by modelling the1H and13C NMR chemical shifts of the limiting structures
✍ Scribed by N. N. Shapet'ko; Yu. S. Bogachev; S. S. Berestova; V. G. Medvedeva; A. P. Skoldinov; D. N. Shigorin
- Book ID
- 112357511
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 742 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0040-5760
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## Abstract ^1^H and ^13^C NMR spectra of the 32‐membered pentaene macrolide flavofungin‐I (identical with mycoticin A) in DMSO‐__d__~6~ solution were fully assigned employing a combination of various 1D and 2D homo‐ and hetero‐nuclear experiments. Secondary deuterium isotope shifts measured in the