1H-Indole-2-carboxamide, N-[(1S)-1-[(3-fluorophenyl)methyl]-2-[[(1S)-1-formyl-2-[(3S)-2-oxo-3-pyrrolidinyl]ethyl]amino]-2-oxoethyl]-

SARS-CoV MPro-IN-1 is a SARS-CoV-2 3CLpro covalent inhibitor, with an IC50 of 40 nM. SARS-CoV MPro-IN-1 shows good anti-SARS-CoV-2-infection activity in cell culture with an EC50 of 0.33 μM. SARS-CoV MPro-IN-1 has the potential for COVID-19 research[1].

ChEBI: 3-fluoro-Nalpha-(1H-indol-2-ylcarbonyl)-N-{(2S)-1-oxo-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-L-phenylalaninamide is a secondary carboxamide resulting from the formal condensation of the carboxy group of 1H-indole-2-carboxylic acid with the primary amino group of 3-fluoro-N-{(2S)-1-oxo-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-L-phenylalaninamide. It is an inhibitor of SARS coronavirus main proteinase and inhibits SARS-CoV-2 replication in cell culture (EC50 = 0.72 muM). It has a role as an EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor and an anticoronaviral agent. It is a secondary carboxamide, a member of pyrrolidin-2-ones, an oligopeptide, an indolecarboxamide, an aldehyde and a member of monofluorobenzenes.

[1] Dai W, et al. Structure-Based Design, Synthesis and Biological Evaluation of Peptidomimetic Aldehydes as a Novel Series of Antiviral Drug Candidates Targeting the SARS-CoV-2 Main Protease. bioRxiv; 2020.