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The compound azobenzen-p,p'-di(2-amine-1,3,4-thiadiazol-5-yl) (A) was
formed by reacting 4,4'-(diazene-1,2-diyl)-dibenzoyl chloride with
thiosemicarbazide. Ten substituted amino derivatives of azobenzen-p,p'-di(2-
amine-1,3,4-thiadiazol-5-yl) were synthesized by reaction of compound (A)
with formaldehyde and acetaldehyde to give Schiff base. The compound (A)
reaction with sodiumcyanat and potassiumisothiocyanat gave uredo and
thiouredo-1,3,4-thiadizol-5-yl. However, its reaction with benzenesulphonyl
chloride and 4-methyl benzene sulphonyl chloride gave sulphonamido
compounds, while its reaction with acetylchloride and benzoyl chloride gave
acetamido and benzamido derivatives. Its reaction with succinic and glutaric
acid gave succinamido an
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