Synthesis and biological evaluation of some coumarin hybrids as selective carbonic anhydrase IX and XII inhibitors.

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2020
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Abstract
Two series, coumarin-linked to thiazolidinone via a pyrazole linker (6a-m, Series 1) and coumarin-linked 1,2,3-triazoles (5a-j, Series 2) were synthesized and the synthesized compounds were subjected for evaluation against the four physiologically and pharmacologically relevant hCA isoforms, hCA I, II, IX and XII. The results indicated selective inhibition of tumor-associated isoforms hCA IX and XII over the off-target isoforms, hCA I and II. The compounds of series 1 exhibited better hCA IX inhibition compared to hCA XII, with compounds 6i, 6h, 6a and 6k, exhibiting notable K values of less than 100 nM. Among all the compounds, compound 6i showed the best inhibition with a K value of 61.5 nM. Among the compounds of series 2, compounds 5a, 5b, 5c, 5d, 5f and 5j exhibited notable hCA IX inhibition. Compound 5d showed the best inhibition with a K value of 32.7 nM. In the case of hCA XII, compound 5i showed the best inhibition with a K value of 84.2 nM. Hence, compound 6i from Series 1 and 5d from Series 2 could be taken as lead compounds for the further development of selective and potent hCA IX inhibitors, whereas the compound 5i from Series 2 can be explored further for the design of selective and potent hCA XII inhibitors.
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thacker2020synthesisbioorganic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Thacker, Pavitra S;Sridhar Goud, Nerella;Argulwar, Omkar S;Soman, Jyothsna;Angeli, Andrea;Alvala, Mallika;Arifuddin, Mohammed;Supuran, Claudiu T;
Journal Bioorganic chemistry
Year 2020
DOI
S0045-2068(20)31570-4
URL
Keywords
pyrazole coumarin 1, 2, 3-triazole carbonic anhydrases thiazolidinone hca ix & xii isoform

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