Synthesis, spectral studies and biological activity of 2, 3-disubstituted imidazo [2, 1-b] benzothiazole derivatives

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Yashveer Singh
Baljeet Kaur
Amandeep Kaur
Vivek Kumar Gupta
Monika Gupta

Abstract

Benzothiazole is a heterocyclic compound formed by the fusion of benzene and thiazole ring. The moiety had been reported to act via competing with ATP binding site at the catalytic domain of tyrosine kinase. The present work involves the synthesis and biological evaluation of 4, 5 disubstituted imidazo [2, 1-b] benzothiazole derivatives. The antimicrobial activity of the synthesized derivatives was carried out against Gram + ve bacteria Staphylococcus aureus (MTCC 3160) and Gram –ve bacteria Bordetella bronchiseptica (MTCC 6838), Pseudomonas aeruginosa (T11) and fungal strains Candida albicans (MTCC 1637). Ciprofloxacin and Fluconazole were used as standard drug for antibacterial and antifungal activity respectively. The compounds 6a1, 6a2, 6a3, 6b1 and 8a1 exhibited good antimicrobial activity against all the strains. The derivative 8a1 was further screened for anticancer activity against MCF-7 cell line using Doxorubicin as standard. The structures of the synthesized compounds were established by IR and NMR spectral studies.

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Singh Y, Kaur B, Kaur A, Gupta V, Gupta M. Synthesis, spectral studies and biological activity of 2, 3-disubstituted imidazo [2, 1-b] benzothiazole derivatives. IJPBR [Internet]. 25Mar.2018 [cited 5Aug.2020];6(01):01-8. Available from: http://ijpbr.in/index.php/IJPBR/article/view/685
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