Synthesis of antibacterial ethyl 3-aryl/alkyl-2-(1htetrazole-5-yl)enoates and 5, 5’-(2-arylalkene-1, 1-diyl)bis (1htetrazoles).

Aryl / alkyl ketones 1 a-c and 5 a-b were condensed with ethylcyanoacetate or malanonitrile afforded 3 a-c and 7 a-b respectively. Treatment on 3 a-c and 7 a-b with sodium azide and ammonium chloride in presence of dimethylformamide yielded 4 a-c and 8 a-b respectively. All the synthesized compounds have been characterized by the IR, NMR and Mass spectrum spectral data. Compounds 4 a-c and 8 a-b were evaluated for antibacterial activity.