A novel substituent effect on 31P NMR chemical shifts in the aryl diphenylphosphinate series
S Hoz, EJ Dunn, E Buncel, RAB Bannard…
Index: Hoz, S.; Dunn, E. J.; Buncel, E.; Bannard, R. A. B.; Purdon, J. G. Phosphorus and Sulfur and the Related Elements, 1985 , vol. 24, p. 321 - 326
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Citation Number: 16
Abstract
Abstract The 31P NMR chemical shifts of a series of meta-and para-substituted phenyl diphenylphosphinates, Ph2P (O) OC6H4-X. have been determined. The δ 31P values exhibit an increasing downfield trend as the electron-withdrawing properties of the substituent X become greater and a reasonable correlation between δ 31P and Hammett– Taft substituent constants is obtained. This trend is opposite to that exhibited in several ...
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