Intermolecular hydrogen-bonding effects
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F. Imashiro; S. Maeda; K. Takegoshi; T. Terao; A. Saika
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Article
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1982
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Elsevier Science
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English
โ 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