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The effect of the structure of substituted phenylphosphonic difluorides on their 19 F and 31 P NMR spectral parameters
Author(s) -
Szafraniec Linda L.
Publication year - 1974
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270061102
Subject(s) - difluoride , substituent , chemistry , chemical shift , fluorine , coupling constant , phosphorus , spectral properties , computational chemistry , organic chemistry , physics , particle physics
The 19 F and 31 P NMR spectral parameters of a series of meta and para substituted phenylphosphonic difluorides were found to be linearly related to the substituent parameters: the phosphorus chemical shifts correlated with Hammett's σ constant, the fluorine chemical shifts with Taft's σ R parameter and the phosphorus–fluorine coupling constants with σ + .
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