Abstract
Abstractmagnified imageFormazans 5(a‐j) have been prepared by the condensation between schiff base 3 and diazonium salt of substituted 2‐amino benzothiazole 4(a‐j). The intermediate schiff base 3 was synthesized by the condensation of p‐nitrobenzolyhydrazide 1 with thiophene‐2‐aldehyde 2. All the compounds have been screened for their antifungal activity against Candida albicans (ATCC‐64550), Candida krusei (ATCC‐14243) and Candida parapsilosis (ATCC‐22019) and antibacterial activity against Escherchia coli (ATCC‐6538), Staphylococcus aureus (ATCC‐6538), Pseudomonas aeruginosa (ATCC‐1539) and Bacillus substilis (ATCC‐6633). The structures of the synthesised compounds 5(a‐j) have been characterized on the basis of their elemental analysis and spectral data (UV, IR, 1H NMR, 13C NMR and Mass).
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