Abstract:Refluxing of the 4-chloro -7-nitro--2,1.3, -benzoxadiazole with ethyl (p-amino) benzoate in absolute ethanol at 78 C o for 12 hrs to give ethyl-4 -(7-nitro-2.1,3,-benzoxadiazole) -4-yl) amino benzoate (1) with 60% yield.Compound (1) was reacted with hydrazine hydrate in absolute ethanol for 5hrs to obtain the carboxylic acid hydrazide (2). The product (2) was treated with phenylisothiocyanat in absolute ethanol to synthesize 2-{4-[(7-nitro-2,1,3-benzoxadiazol-4-yl) amino] benzoyl}-Nphenylhydrazinecarbothioamid… Show more
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