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- Title
Synthesis and antimicrobial activity of novel thienopyrimidine linked rhodanine derivatives.
- Authors
Kerru, Nagaraju; Maddila, Surya Narayana; Maddila, Suresh; Sobhanapuram, Sreedhar; Jonnalagadda, Sreekantha B.
- Abstract
This work presents the preparation of a new series of N-(substituted phenyl)-2-(4-oxo-5-(4-(thieno[2,3-d]-pyrimidin-4-yloxy)benzylidene)-2-thioxothiazolidin-3-yl)acetamide derivatives (8a–8l). A condensation reaction of thienopyrimidin-2-thioxothiazolidin-4-one derivative (5) with various 2-chloro-N-phenylacetamides (7a–7l) was employed to afford the new thienopyrimidine tagged rhodanine derivatives under acetone solvent in the presence of potassium carbonate (K2CO3). All of the novel target molecules were characterized by IR, 1H NMR, 13C NMR, and LC–MS spectral analyses and were screened for their in vitro antimicrobial activity by using the broth dilution method. Compounds 8c, 8g, and 8h found to have antibacterial potency against E. coli, B. subtilis, B. cereus, and K. pneumonia with minimum inhibitory concentrations (MICs) of 3.25–6.25 μg/mL compared with the standard Gentamicin. Compounds 8c and 8f demonstrated better antifungal potency (MIC = 3.25–6.25 μg/mL) against A. flavus, A. niger, P. marneffei, and C. albicans when compared with Fluconazole.
- Subjects
ANTI-infective agents; ACETAMIDE derivatives; POTASSIUM carbonate; ANTIBACTERIAL agents; ESCHERICHIA coli
- Publication
Canadian Journal of Chemistry, 2019, Vol 97, Issue 2, p94
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/cjc-2018-0220