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Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Eur+J+Med+Chem 2021 ; 223 (ä): 113622 Nephropedia Template TP
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Discovery and optimization of 2-((1H-indol-3-yl)thio)-N-benzyl-acetamides as novel SARS-CoV-2 RdRp inhibitors #MMPMID34147744
Zhang GN; Zhao J; Li Q; Wang M; Zhu M; Wang J; Cen S; Wang Y
Eur J Med Chem 2021[Nov]; 223 (ä): 113622 PMID34147744show ga
The emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the global pandemic coronavirus disease (COVID-19), but no specific antiviral drug has been proven effective for controlling this pandemic to date. In this study, several 2-((indol-3-yl)thio)-N-benzyl-acetamides were identified as SARS-CoV-2 RNA-dependent RNA polymerase (RdRp) inhibitors. After a two-round optimization, a new series of 2-((indol-3-yl)thio)-N-benzyl-acetamides was designed, synthesized, and evaluated for SARS-CoV-2 RdRp inhibitory effect. Compounds 6b2, 6b5, 6c9, 6d2, and 6d5 were identified as potent inhibitors with IC(50) values of 3.35 +/- 0.21 muM, 4.55 +/- 0.2 muM, 1.65 +/- 0.05 muM, 3.76 +/- 0.79 muM, and 1.11 +/- 0.05 muM, respectively; the IC(50) of remdesivir (control) was measured as 1.19 +/- 0.36 muM. All of the compounds inhibited RNA synthesis by SARS-CoV-2 RdRp. The most potent compound 6d5, which showed a stronger inhibitory activity against the human coronavirus HCoV-OC43 than remdesivir, is a promising candidate for further investigation.