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Structure-dependent intermolecular hydrogen-bond effects on carbon-13 NMR chemical shifts in enol forms of 1,3-diketones

โœ Scribed by Imashiro, Fumio; Maeda, Shiro; Takegoshi, Kiyonori; Terao, Takehiko; Saika, A.


Book ID
127327731
Publisher
American Chemical Society
Year
1987
Tongue
English
Weight
530 KB
Volume
109
Category
Article
ISSN
0002-7863

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Intermolecular hydrogen-bonding effects
โœ F. Imashiro; S. Maeda; K. Takegoshi; T. Terao; A. Saika ๐Ÿ“‚ Article ๐Ÿ“… 1982 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 225 KB

From high-resolution solid-state lSC NMR spectra for the enol forms of some diketones, an average chemical shift of the carbonyl and enol carbons in dimedone is found to move remarkably downfield compared with the corresponding shift in DMSO~/6, which is ascribed to a strong intermolecular hydrogen