Temperature-Dependent Acid Dissociation Constants (Ka, ΔHa, ΔSa) for some C-Aryl Hydroxamic Acids: The Influence of C and N Substituents on Hydroxamate Anion Solvation in Aqueous Solution

Article abstract of DOI:10.1021/jo00213a016

The acid dissociation constants (K_a) of a series of substituted N-methylbenzohydroxamic acids, 4-XC6H4C(O)N(OH)CH3 (X = H, CH3O, CH3, NO2) and 4-methoxybenzohydroxamic acid, 4-CH3OC6H4C(O)N(OH)H, have been determinated in aqueous solution (I =