In this study, some 2-[2-(benzazole-2-thioxy)acetylamino]-3-ethoxycarbonylthiophene and 2-[2-(benzazole-1-yl)acetylamino]-3-ethoxycarbonylthiophene compounds were obtained by the reaction of 2-chloroacetylamino-3-ethoxycarbonylthiophene derivatives and a suitable benzazole-2-thione or benzimidazole derivatives. Analgesic activities of the compounds were tested by using tail-flick and tail-immersion methods. It is reported that some of the compounds showed remarkable analgesic activities.
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