Lewis Acidity of Polar Organic Solvents from Thermodynamic Measurements

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Science  02 Apr 1965:
Vol. 148, Issue 3666, pp. 74-75
DOI: 10.1126/science.148.3666.74


A quantitative measure of the Lewis acidity of common organic solvents is given by the equilibrium constant for complex formation between the solvent and a π-donor such as an aromatic hydrocarbon. Lewis acidities are reported for 12 solvents from new distribution and vapor-pressure measurements.