New series of thiourea derivatives incorporating a hippuric acid moiety have been synthesized through the reaction of 4-hippuric acid isothiocyanate with various nitrogen nucleophiles such as aliphatic amines, aromatic amines, sulfa drugs, aminopyrazoles, phenylhydrazine and hydrazides. The synthesized compounds were tested against bacterial and fungal strains. Most of compounds, such as 2-(4-(3-(3-bromophenyl)thioureido)benzamido)acetic acid and 2-(4-(3-(4-(N-pyrimidin-2-ylsulfamoyl)phenyl)thioureido)benzamido)acetic acid, showed significant antibacterial and antifungal activities. These compounds comprise a new class of promising broad-spectrum antibacterial and antifungal agents.
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