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Predicting hydration propensities of biologically relevant α-ketoamides
Henry B Wedler1, Teresa A Palazzo1, Ryan P Pemberton1
1Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, CA 95616, USA.
Abstract:
Quantum chemical calculations coupled to experiments were used to predict covalent hydration propensities of biologically relevant α-ketoamides. Experimentally determined hydration equilibrium constants for related ketones and aldehydes were compared to computationally determined values to develop a method for predicting hydration equilibrium constants. This method was used on six newly synthesized α-ketoamides to experimentally verify computational predictions. A correlation between calculation and experiment was observed and applied to models of several pertinent APIs. Our results indicate that the keto form is favored for practically all α-ketoamides in biological environs.
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