Fluorine NMR spectra of pentafluoropheny
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L. N. Pushkina; A. P. Stepanov; V. S. Zhukov; A. D. Naumov
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Article
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1972
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John Wiley and Sons
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English
โ 955 KB
The fluorine chemical shifts and spin-spin coupling constants of 65 pentafluorophenyl derivatives with widely varying organic substituents were examined. Useful correlations of the three meta coupling constants with the chemical shifts of thepara fluorine were found. It is suggested that these relat