Design, synthesis, in vivo and in silico evaluation of phenacyl triazole hydrazones as new anticonvulsant agents.

Abstract

A series of phenacyl triazole hydrazones 3 have been designed based on the hybridization of (arylalkly)triazole and aroyl hydrazone scaffolds as new anticonvulsant agents. The target compounds 3 were easily synthesized from appropriate phenacyl triazoles and aryl acid hydrazides and characterized by IR, NMR and Mass spectroscopy. The in vivo anticonvulsant evaluation of synthesized compounds by using MES and PTZ tests revealed that they are more effective in MES model respect to PTZ test. All compounds showed 33-100% protection against MES-induced seizures at the dose of 100 mg/kg. However, the isonicotinic acid hydrazide derivative 3h showed the best profile of activity in both models. Molecular docking studies of compound 3h with different targets (NMDA, AMPA, GABAA and sodium channel), postulated that the compound acts mainly via GABAA receptors. In silico molecular properties predictions indicated that all compounds have favourable oral bioavailability and BBB permeability.

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