Nuclear Magnetic Resonance Spectroscopy. The Effect of Structure on Magnetic Nonequivalence Due to Molecular Asymmetry

GM Whitesides, D Holtz, JD Roberts

文献索引：Whitesides,G.M. et al. Journal of the American Chemical Society, 1964 , vol. 86, p. 2628 - 2634

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被引用次数: 93

摘要

The difference in chemical shift between the methylene protons of a number of compounds related structurally to 1-phenylethyl benzyl ether has been measured Correlations between structural features of these compounds and the magnitude of the magnetic nonequivalence induced by the center of molecular asymmetry provide a basis for qualitative identification of the most important factors contributing to the chemical-shift difference Although it is clear ...