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- W4376135654 abstract "Abstract Starting from compound 5 (CCF0058981), a structure-based optimization of the P1 subsite was performed against the severe acute respiratory syndrome coronavirus (SARS-CoV-2) main protease (3CL pro ). Inhibitor 5 and the compounds disclosed bind to 3CL pro using a non-covalent mode of action that utilize a His163 H-bond interaction in the S1 subpocket. In an effort to examine more structurally diverse P1 groups a number of azoles and heterocycles were designed. Several azole ring systems and replacements, including C-linked azoles, with similar or enhanced potency relative to 5 were discovered ( 28 , 29 , and 30 ) with demonstrated IC 50 values less than 100 nM. In addition, pyridyl and isoquinoline P1 groups were successful as P1 replacements leading to 3-methyl pyridyl 36 (IC 50 = 85 nM) and isoquinoline 27 (IC 50 = 26 nM). High resolution X-ray crystal structures of these inhibitors were utilized to confirm binding orientation and guide optimization. These findings have implications towards antiviral development and preparedness to combat SARS-like zoonotic coronavirus outbreaks." @default.
- W4376135654 created "2023-05-12" @default.
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- W4376135654 date "2023-05-11" @default.
- W4376135654 modified "2023-10-07" @default.
- W4376135654 title "SARS-CoV-2 3CL-protease inhibitors derived from ML300: investigation of P1 and replacements of the 1,2,3-benzotriazole" @default.
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- W4376135654 doi "https://doi.org/10.21203/rs.3.rs-2880312/v1" @default.
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