Abstract
2 Oxo-2h-chromene-3-carbohydrazide (1) reacts with various aromatic aldehydes to give corresponding 2-oxo-2h-chromene-3-carbohydrazide arylidene hydrazides (SB1-8). Oxidative cyclization of (SB1-8) with mercuric oxide and iodine in DMF medium furnishes the title compounds 3-(5-aryl-1,3,4-oxadiazol2-yl)-2h-chromen-2-ones (2a-h). All the synthesized compounds were assigned structures on the basis of IR, 1 H-NMR and Mass spectral data. Some of the selected compounds were evaluated for In vivo anticonvulsant activity by MES and PTZ models.
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