Studies on ^<13>C Magnetic Resonance Spectroscopy. XVIII. Elucidation of the ^<13>C Substituent-Induced Chemical Shifts of Monosubstituted Benzenes by Means of a Novel Substituent Entropy Constant σ_<s°>
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概要
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^<13>C Substituent-induced chemical shifts (SCS) of phenyl ring carbons of monosubstituted benzenes and their homologs are well correlated with linear combinations of entropic and enthalpic descriptors, namely (σ_s°)^2,σ_S°, σ_i, σ_π. The novel substituent entropy constant σ_S°contributes to SCS_<ipso> of an electron-donating group of monosubstituted benzenes and α-substituted toluenes. The effects of magnetic anisotropy in SCS could be represented by σ_s°.
- 1984-06-25
著者
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佐々木 喜男
Faculty Of Pharmaceutical Sciences Osaka University
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高井 均
Faculty of Pharmaceutical Sciences, Osaka University
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高井 均
Faculty Of Pharmaceutical Sciences Osaka University
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廉 貞禄
Faculty of Pharmaceutical Science, Osaka University
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廉 貞禄
Faculty Of Pharmaceutical Science Osaka University
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