Determination of all pK(a) values of some di- and tri-carboxylic unsaturated and epoxy acids and their polylinear correlation with the carboxylic group atomic charges
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For a series of seven unsaturated and seven epoxy di- and tricarboxylic acids, pK(a)(a) values were determined potentiometrically in aqueous media at 25 degreesC and an ionic strength of 0.1 M (NaCl). The thermodynamic pKaa values were correlated with the atomic charges of carboxylic group calculated by the MNDO-PM3 semiempirical MO method.
Keywords:Dicarboxylic epoxy acid / Polylinear correlation / Tricarboxylic epoxy acid
Source:Journal of Chemical Research - Part S, 2003, 5, 247-248
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