The acidities of several substituted phenoltricarbonylchromium compounds have been determined in 50% ethanol. A plot of pKa values versus Hammett substituent constants indicates that no distortion of substituent effects occurs upon complexation of an aromatic system to the tricarbonylchromium moiety.
A. Wu, E. R. Biehl and P. C. Reeves, J. Chem. Soc., Perkin Trans. 2, 1972, 449 DOI: 10.1039/P29720000449
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