Synthesis, characterization and pharmacological evaluation of substituted 4-aryl thiazole-2-amino acetanilides

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Priyanka .
Isha .
Keshari Kishore Jha
M. Vijayakumar

Abstract

A series of novel 4-aryl thiazole-2-amino acetanilides (B1-B6) was designed and synthesized via the preparation of 2-amino 4-aryl thiazole (1) by acetophenone and thiourea which on subsequent condensation with α-chloroacetanilides offered title compounds. The newly synthesized compounds were characterized by elemental analysis, IR and 1HNMR and Mass spectral data. The synthesized compounds were tested for their in-vitro antimicrobial activity against the four bacterial strains i.e., Bacillus subtilis, Streptococcus pneumonia, Escherichia coli and Staphylococcus aureus and two fungal strains i.e Aspergilus. Niger and Candida albicans using disk diffusion method. The synthesized derivatives demonstrated moderate to excellent growth inhibition of microbes. The compounds were also tested for their antiinflammatory and analgesic potential using carageenan induced hind paw oedema and acetic acid induced writhing methods respectively. A promising activity was observed in some of the title compounds when compared to standard drug diclofenac sodium.

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1.
. P, . I, Jha K, Vijayakumar M. Synthesis, characterization and pharmacological evaluation of substituted 4-aryl thiazole-2-amino acetanilides. IJPBR [Internet]. 30Sep.2016 [cited 12Aug.2020];4(03):74-9. Available from: http://ijpbr.in/index.php/IJPBR/article/view/917
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