A series of cis-transisomers of stilbene derivatives were synthesised through a chemical reaction named as Wittig reaction between benzyl triphenyl phosphinium chloride with vanillin and anisaldehyde. The structure of the newly synthesized compounds was confirmed by spectroscopic methods i.e. PNMR spectroscopy. The antioxidant activity of the compound is measured against Pseudomonas aeruginoasa, Bacillus subtilis, Staphylococcus aureus, Klebsiella pneumonia, Escherichia coli and ciprofloxacin was taken as standard. VI showed good anti microbial activity against Pseudomonas aeruginoasa, Bacilius subtilis. VI showed good anti microbial activity against Staphyloccocus aureus, E. coli. III shows good anti microbial activity against Klebsiella pnemonia. To the newly synthesised compounds peroxidase activity, reducing property was tested by taking ascorbic acid as standard. For both of these tests the synthesised compounds showed nearly similar increasing activity for all compounds with increasing in the concentration. So I, II, III, IV, V and VI compounds showed similar activity compared to III compound, VI compound showed good peroxidise activity. I, II, III, IV, V and VI compounds showed good reducing property.
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