alexa Prodrugs for masking bitter taste of antibacterial drugs--a computational approach.


Drug Designing: Open Access

Author(s): Karaman R, Karaman R

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Abstract DFT calculations for the acid-catalyzed hydrolysis of several maleamic acid amide derivatives revealed that the reaction rate-limiting step is determined on the nature of the amine leaving group. Further, it was established that when the amine leaving group was a secondary amine, acyclovir or cefuroxime moiety the tetrahedral intermediate formation was the rate-limiting step such as in the cases of acyclovir ProD 1- ProD 4 and cefuroxime ProD 1- ProD 4. In addition, the linear correlation between the calculated and experimental rates provided a credible basis for designing prodrugs for masking bitter taste of the corresponding parental drugs which have the potential to release the parent drug in a sustained release fashion. For example, based on the DFT calculated rates the predicted t₁/₂ (a time needed for 50 \% of the reactant to be hydrolyzed to products) for cefuroxime prodrugs, cefuroxime ProD 1- ProD 4, were 12 min, 18 min, 200 min and 123 min, respectively. This article was published in J Mol Model and referenced in Drug Designing: Open Access

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