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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 50, 2020 - Issue 17
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Articles

Green synthesis, antibacterial, antiviral and molecular docking studies of α-aminophosphonates

, , , , , , & ORCID Icon show all
Pages 2655-2672 | Received 08 Feb 2020, Published online: 08 Jul 2020
 

Abstract

An efficient method for the synthesis of α-aminophosphonate derivatives has been developed with different functional groups under catalyst and solvent free conditions at room temperature in both conventional and ultrasonication methods. Ultrasonication method offers excellent yields within shorter reaction times. All the title compounds 4a–l were tested for their antibacterial, antiviral activity using Gram-positive bacteria (Staphylococcus aureus, and Bacillus subtilis), Gram-negative bacteria (Klebsiella pneumoniae and Escherichia coli) and NDV infected embryonated eggs (in ovo) and NDV infected BHK-21 cell lines (in vitro) respectively. Besides, molecular docking studies were also carried out to the title compounds against Hemagglutinin-neuramidase enzyme to determine the therapeutic binding efficacy of the ligands synthesized. The results indicated that, among the title compounds, compounds such as 4f, 4l, 4k, 4b, 4i and 4h have shown high content of antibacterial and antiviral activity than the rest of the compounds and the level activity was high when compared to the standard, ribavirin. Based on the results, it is concluded that, the reported α-aminophosphonates will open new vistas and stands as a new generation of antiviral and antibacterial drug candidates in future.

Graphical Abstract

Acknowledgement

The authors are thankful to Prof. C. Devendranath Reddy, Department of Chemistry, S.V. University, Tirupati for his helpful discussions and acknowledge DST-PURSE 2nd Phase Program in S.V. University, Tirupati funded by DST-New Delhi, India for providing instrumentation facility (File No: 17118-UGC-III(3)/DST-PURSE 2nd Phase/2017, Dt: 23-08-2018).

Disclosure statement

No potential conflict of interest was reported by the author(s).

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