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Intermolecular hydrogen-bonding effects on13C NMR shielding for enol forms of diketones in the solid state

✍ Scribed by F. Imashiro; S. Maeda; K. Takegoshi; T. Terao; A. Saika

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
225 KB
Volume
92
Category
Article
ISSN
0009-2614

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✦ Synopsis

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 bond in the solid state.

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