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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 47, 2017 - Issue 24
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Original Articles

Synthesis and characterization of oxazine bearing pyridine scaffold as potential antimicrobial agents

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Pages 2360-2368 | Received 30 May 2017, Published online: 30 Nov 2017
 

ABSTRACT

A series of novel compounds 1-((1-(4-(2H-benzo[e][1,3]oxazin-3(4H)-yl)phenyl)ethylidene)amino)-6-((benzylidene)amino)-2-oxo-4-phenyl-1,2-dihydropyridine-3,5-dicarbonitriles (7a–o) were synthesized by a sequence of multistep reactions. IR, 1H NMR, 13C NMR, and mass spectral techniques were used to confirm the structures newly synthesized compounds. Antimicrobial activity of the title compounds (7a–o) was studied against strains of bacteria (Staphylococcus aureus and Streptococcus pyogenes, Escherichia coli and Pseudomonas aeruginosa) and fungi (Candida albicans, Aspergillus niger and Aspergillus clavatus) by serial dilution method. Compounds 7f and 7k exhibited significant antimicrobial activity.

GRAPHICAL ABSTRACT

Additional information

Funding

Authors are grateful to the UGC, New Delhi and Department of Science and Technology, New Delhi (DST-FIST-SR/FST/CSI-212/2010) for financial support under the NON-SAP and DST-FIST programs respectively.

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