Abstract
Protonation and Solvation of Weak Organic Bases. VII. 1H‐N.M.R. Spectroscopic Determination of the Basicity of Cyclic KetonesFrom protonation ratios for cycloalkanones of ring size C4‐C7 in the acid system H2OH2SO4HSO3F, determined by 1H‐n.m.r. spectroscopy, basicity and solvation parameters are estimated by application of extrapolation procedures based on the Hammett acidity function H0 or the excess acidity X. The frequency shifts of the n̈OH stretching vibrations of phenol in hydrogen bonded complexes with cycloalkanones have been measured. The ΔνOH values are related to the basicity parameter (H0)1/2.
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