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Synthesis and antimicrobial activity of 2H-pyrimido[2,1-b]benzothiazol-2-ones

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Abstract

4-Phenyl-2H-pyrimido[2,1-b]benzothiazol-2-ones have been synthesized in quantitative yields by the reaction of 2-aminobenzothiazoles with alkynoic acid. The antimicrobial activity of the synthesized compounds was tested against bacterial species, Bacillus coagulans, Bacillus subtilis, Staphylococcus aureus, and Pseudomonas aeruginosa. The synthesized compounds have shown significant activity against microorganisms which can be correlated with the fused heterocyclic systems.

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Acknowledgments

The authors are thankful to the head of the Department of Chemistry, University of Rajasthan, Jaipur (India) for providing the necessary laboratory as well as instrumentation facilities (IR, 1HNMR and 13C NMR). The director of the RSIC, CDRI, Lucknow (India) is acknowledged for providing mass spectrometry of the synthesized compound. We express our thanks to UGC, New Delhi, for providing Meritorious student fellowship to P.K.S.

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Correspondence to Praveen Kumar Sharma.

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Sharma, P.K., Kumar, M. & Mohan, V. Synthesis and antimicrobial activity of 2H-pyrimido[2,1-b]benzothiazol-2-ones. Res Chem Intermed 36, 985–993 (2010). https://doi.org/10.1007/s11164-010-0211-9

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  • DOI: https://doi.org/10.1007/s11164-010-0211-9

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