The Determination of Polar Substituent Constants for the Dialkoxy-and Diarylphosphono and Trialkyl-and Triarylphosphonium Groups
DJ Martin, CE Griffin
Index: Martin,D.J.; Griffin,C.E. Journal of Organic Chemistry, 1965 , vol. 30, p. 4034 - 4038
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Citation Number: 34
Abstract
The syntheses of five phosphorus-substituted acetic acids have been carried out and the acidity of each has been determined. By application of a linear free energy correlation, approximate polar substituent constants (u*) for each of the phosphorus substituents have been determined. These studies indicate that the di-n-butoxyphosphono, diethoxyphosphono, and diphenylphosphono groups (u*= 1.74, 2.18, and 1.68) are ...
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