PMC:7571312 / 77716-78786 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T579","span":{"begin":376,"end":377},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T580","span":{"begin":968,"end":970},"obj":"http://purl.obolibrary.org/obo/CLO_0007874"},{"id":"T581","span":{"begin":1005,"end":1010},"obj":"http://purl.obolibrary.org/obo/CLO_0007706"},{"id":"T582","span":{"begin":1037,"end":1042},"obj":"http://purl.obolibrary.org/obo/CLO_0007706"}],"text":"Following the procedure described for the preparation of N-((1S)-1-{[((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)amino]carbonyl}-3-methylbutyl)-4-methoxy-1H-indole-2-carboxamide but substituting N2-(tert-butoxycarbonyl)-N1-((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)-4-methyl-l-leucinamide and making noncritical variations provided a pale yellow solid. This material was purified by Biotage MPLC (40 M column, 2–4.5% methanol/chloroform) to afford 920 g (60%) of the title compound as an off-white solid. 1H NMR (400 MHz, DMSO-d6) δ 11.59 (d, J = 1.8 Hz, 1H), 8.54 (d, J = 7.8 Hz, 1H), 8.45 (d, J = 8.1 Hz, 1H), 7.64 (s, 1H), 7.32 (d, J = 1.8 Hz, 1H), 7.08 (t, J = 8.0 Hz, 1H), 7.00 (d, J = 8.3 Hz, 1H), 6.49 (d, J = 7.6 Hz, 1H), 4.52–4.62 (m, 1H), 4.40–4.51 (m, 2H), 3.87 (s, 3H), 3.01–3.16 (m, 2H), 2.19–2.31 (m, 1H), 2.03–2.12 (m, 1H), 1.91–2.01 (m, 1H), 1.81 (dd, J = 14.1, 9.9 Hz, 1H), 1.54–1.72 (m, 3H), 0.93 (s, 9H); MS (ESI+) for C25H33ClN4O5m/z 505.1 (M + H)+; HRMS (ESI+) calcd for (M + H)+ 505.2212, found 505.2204."}

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the procedure described for the preparation of N-((1S)-1-{[((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)amino]carbonyl}-3-methylbutyl)-4-methoxy-1H-indole-2-carboxamide but substituting N2-(tert-butoxycarbonyl)-N1-((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)-4-methyl-l-leucinamide and making noncritical variations provided a pale yellow solid. This material was purified by Biotage MPLC (40 M column, 2–4.5% methanol/chloroform) to afford 920 g (60%) of the title compound as an off-white solid. 1H NMR (400 MHz, DMSO-d6) δ 11.59 (d, J = 1.8 Hz, 1H), 8.54 (d, J = 7.8 Hz, 1H), 8.45 (d, J = 8.1 Hz, 1H), 7.64 (s, 1H), 7.32 (d, J = 1.8 Hz, 1H), 7.08 (t, J = 8.0 Hz, 1H), 7.00 (d, J = 8.3 Hz, 1H), 6.49 (d, J = 7.6 Hz, 1H), 4.52–4.62 (m, 1H), 4.40–4.51 (m, 2H), 3.87 (s, 3H), 3.01–3.16 (m, 2H), 2.19–2.31 (m, 1H), 2.03–2.12 (m, 1H), 1.91–2.01 (m, 1H), 1.81 (dd, J = 14.1, 9.9 Hz, 1H), 1.54–1.72 (m, 3H), 0.93 (s, 9H); MS (ESI+) for C25H33ClN4O5m/z 505.1 (M + H)+; HRMS (ESI+) calcd for (M + H)+ 505.2212, found 505.2204."}

{"project":"LitCovid-sentences","denotations":[{"id":"T470","span":{"begin":0,"end":396},"obj":"Sentence"},{"id":"T471","span":{"begin":397,"end":548},"obj":"Sentence"},{"id":"T472","span":{"begin":549,"end":1070},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Following the procedure described for the preparation of N-((1S)-1-{[((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)amino]carbonyl}-3-methylbutyl)-4-methoxy-1H-indole-2-carboxamide but substituting N2-(tert-butoxycarbonyl)-N1-((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)-4-methyl-l-leucinamide and making noncritical variations provided a pale yellow solid. This material was purified by Biotage MPLC (40 M column, 2–4.5% methanol/chloroform) to afford 920 g (60%) of the title compound as an off-white solid. 1H NMR (400 MHz, DMSO-d6) δ 11.59 (d, J = 1.8 Hz, 1H), 8.54 (d, J = 7.8 Hz, 1H), 8.45 (d, J = 8.1 Hz, 1H), 7.64 (s, 1H), 7.32 (d, J = 1.8 Hz, 1H), 7.08 (t, J = 8.0 Hz, 1H), 7.00 (d, J = 8.3 Hz, 1H), 6.49 (d, J = 7.6 Hz, 1H), 4.52–4.62 (m, 1H), 4.40–4.51 (m, 2H), 3.87 (s, 3H), 3.01–3.16 (m, 2H), 2.19–2.31 (m, 1H), 2.03–2.12 (m, 1H), 1.91–2.01 (m, 1H), 1.81 (dd, J = 14.1, 9.9 Hz, 1H), 1.54–1.72 (m, 3H), 0.93 (s, 9H); MS (ESI+) for C25H33ClN4O5m/z 505.1 (M + H)+; HRMS (ESI+) calcd for (M + H)+ 505.2212, found 505.2204."}

{"project":"LitCovid-PubTator","denotations":[{"id":"1638","span":{"begin":461,"end":469},"obj":"Chemical"},{"id":"1639","span":{"begin":470,"end":480},"obj":"Chemical"},{"id":"1640","span":{"begin":1014,"end":1018},"obj":"Disease"},{"id":"1641","span":{"begin":922,"end":928},"obj":"CellLine"}],"attributes":[{"id":"A1638","pred":"tao:has_database_id","subj":"1638","obj":"MESH:D000432"},{"id":"A1639","pred":"tao:has_database_id","subj":"1639","obj":"MESH:D002725"},{"id":"A1641","pred":"tao:has_database_id","subj":"1641","obj":"CVCL:Z676"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"Following the procedure described for the preparation of N-((1S)-1-{[((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)amino]carbonyl}-3-methylbutyl)-4-methoxy-1H-indole-2-carboxamide but substituting N2-(tert-butoxycarbonyl)-N1-((1S)-3-chloro-2-oxo-1-{[(3S)-2-oxopyrrolidin-3-yl]methyl}propyl)-4-methyl-l-leucinamide and making noncritical variations provided a pale yellow solid. This material was purified by Biotage MPLC (40 M column, 2–4.5% methanol/chloroform) to afford 920 g (60%) of the title compound as an off-white solid. 1H NMR (400 MHz, DMSO-d6) δ 11.59 (d, J = 1.8 Hz, 1H), 8.54 (d, J = 7.8 Hz, 1H), 8.45 (d, J = 8.1 Hz, 1H), 7.64 (s, 1H), 7.32 (d, J = 1.8 Hz, 1H), 7.08 (t, J = 8.0 Hz, 1H), 7.00 (d, J = 8.3 Hz, 1H), 6.49 (d, J = 7.6 Hz, 1H), 4.52–4.62 (m, 1H), 4.40–4.51 (m, 2H), 3.87 (s, 3H), 3.01–3.16 (m, 2H), 2.19–2.31 (m, 1H), 2.03–2.12 (m, 1H), 1.91–2.01 (m, 1H), 1.81 (dd, J = 14.1, 9.9 Hz, 1H), 1.54–1.72 (m, 3H), 0.93 (s, 9H); MS (ESI+) for C25H33ClN4O5m/z 505.1 (M + H)+; HRMS (ESI+) calcd for (M + H)+ 505.2212, found 505.2204."}