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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Research Article

Synthesis of Some Novel 5,7-Disubstituted-2-phenyl-5H-[1,3,4]thiadiazolo [3,2-a]pyrimidine Derivatives and Evaluation of Their Biological Activity

Author(s): Talavara Venkatesh, Yadav D. Bodke, Nibin M. Joy, B. M. Vinoda, Yallappa Shiralgi and B. L. Dhananjaya

Volume 13, Issue 9, 2016

Page: [661 - 671] Pages: 11

DOI: 10.2174/1570178613666161017123123

Price: $65

Abstract

Background: In the present study, a series of 5,7-disubstituted-2-phenyl-5H-[1,3,4] thiadiazolo[3,2-a]pyrimidine derivatives have been reported. The title compounds were synthesized by the reaction of substituted chalcones with 5-phenyl-1,3,4-thiadiazol-2-amine in n-butanol.

Methods: All reactions were performed at reflux temperature and the synthesized compounds were characterized by IR, NMR and Mass spectroscopic techniques.

Results: The synthesized compounds were screened for their antimicrobial and antioxidant activities. The compounds displayed significant antimicrobial and antioxidant activities. Additionally, the selected compounds were screened for in silico molecular docking studies.

Conclusion: In the present work, we have reported an efficient method for the synthesis of some new 5,7-disubstituted-2-phenyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidine derivatives. Collectively, all the current computational insights support the in vitro observations seen for antimicrobial and antioxidant agents. Further, the pyrimidine derivatives might act as potential specific inhibitors of G6P synthase thereby facilitating its biological activities. From the activity results, it has been concluded that among the studied compounds, compounds 5b, 5d, 5e, 5g, 5i, 5m and 5n could serve as potential antimicrobial and antioxidant agents.

Keywords: 2-Phenyl-5H-[1, 3, 4]thiadiazolo[3, 2-a]pyrimidine, chalcone, antimicrobial, antioxidant activity, molecular docking study.

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