Abstract
A simple and practical method is described for the synthesis of novel 5-arylidene derivatives of barbituric and thiobarbituric acid. 2-Formylbenzoic acids reacted easily with (thio)barbituric acids in the presence of p-toluenesulfonic acid (p-TsOH) in MeOH/EtOH to obtain the title compound in good yields. Then, their urease inhibitory activity were evaluated in vitro and compared with hydroxyurea as the reference drug.
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