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  Indian J Med Microbiol
 

Scheme 1: Synthetic route to compounds (I–V). KOH, BrCH2COPhBr, EtOH; 4-NO2Ph-CHO, H2SO4, EtOH, 6h reflux; ClCH2COOEt,KOH, EtOH; NH2NH2, EtOH, 3h reflux; 4-NO2Ph-CHO, MeOH, Glacial CH3COOH, 2h reflux

Scheme 1: Synthetic route to compounds (I–V). KOH, BrCH<sub>2</sub>COPhBr, EtOH; 4-NO<sub>2</sub>Ph-CHO, H<sub>2</sub>SO<sub>4</sub>, EtOH, 6h reflux; ClCH<sub>2</sub>COOEt,KOH, EtOH; NH<sub>2</sub>NH<sub>2</sub>, EtOH, 3h reflux; 4-NO<sub>2</sub>Ph-CHO, MeOH, Glacial CH<sub>3</sub>COOH, 2h reflux