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A series of N‐(5‐(alkylthio)‐1,3,4‐oxadiazol‐2‐yl)methyl)benzamides 6a–i were synthesized as alkaline phosphatase inhibitors. The intermediate 5‐substituted 1,3,4‐oxadiazole‐2‐thione 4 was synthesized starting with hippuric acid. Hippuric acid in the first step was converted into corresponding methyl ester 2 which upon reaction with hydrazine hydrate furnished the formation of hydrazide 3. The hippuric...