> top > docs > PMC:7571312 > spans > 92831-93669 > annotations

PMC:7571312 / 92831-93669 JSONTXT

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LitCovid-PD-CLO

Id Subject Object Predicate Lexical cue
T647 3-4 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T648 125-126 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T649 419-427 http://purl.obolibrary.org/obo/OBI_0100026 denotes organics
T650 419-427 http://purl.obolibrary.org/obo/UBERON_0000468 denotes organics
T651 557-558 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T652 792-794 http://purl.obolibrary.org/obo/CLO_0007874 denotes MS
T653 800-802 http://purl.obolibrary.org/obo/CLO_0053755 denotes ES

LitCovid-PD-CHEBI

Id Subject Object Predicate Lexical cue chebi_id
T1755 5-13 Chemical denotes solution http://purl.obolibrary.org/obo/CHEBI_75958
T1756 17-23 Chemical denotes methyl http://purl.obolibrary.org/obo/CHEBI_32875|http://purl.obolibrary.org/obo/CHEBI_29309
T1758 27-46 Chemical denotes tert-butoxycarbonyl http://purl.obolibrary.org/obo/CHEBI_48502
T1759 50-56 Chemical denotes methyl http://purl.obolibrary.org/obo/CHEBI_32875|http://purl.obolibrary.org/obo/CHEBI_29309
T1761 95-98 Chemical denotes THF http://purl.obolibrary.org/obo/CHEBI_15635|http://purl.obolibrary.org/obo/CHEBI_20506|http://purl.obolibrary.org/obo/CHEBI_26911
T1764 127-135 Chemical denotes solution http://purl.obolibrary.org/obo/CHEBI_75958
T1765 159-163 Chemical denotes LiOH http://purl.obolibrary.org/obo/CHEBI_33979
T1766 210-217 Chemical denotes mixture http://purl.obolibrary.org/obo/CHEBI_60004
T1767 342-359 Chemical denotes hydrochloric acid http://purl.obolibrary.org/obo/CHEBI_17883
T1768 355-359 Chemical denotes acid http://purl.obolibrary.org/obo/CHEBI_37527
T1769 379-392 Chemical denotes ethyl acetate http://purl.obolibrary.org/obo/CHEBI_27750
T1770 379-384 Chemical denotes ethyl http://purl.obolibrary.org/obo/CHEBI_37807|http://purl.obolibrary.org/obo/CHEBI_62801
T1772 385-392 Chemical denotes acetate http://purl.obolibrary.org/obo/CHEBI_30089|http://purl.obolibrary.org/obo/CHEBI_47622
T1774 472-477 Chemical denotes MgSO4 http://purl.obolibrary.org/obo/CHEBI_32599
T1775 497-504 Chemical denotes solvent http://purl.obolibrary.org/obo/CHEBI_46787
T1776 583-585 Chemical denotes 1H http://purl.obolibrary.org/obo/CHEBI_49637
T1777 600-605 Chemical denotes CDCl3 http://purl.obolibrary.org/obo/CHEBI_85365
T1778 630-632 Chemical denotes 1H http://purl.obolibrary.org/obo/CHEBI_49637
T1779 649-651 Chemical denotes 1H http://purl.obolibrary.org/obo/CHEBI_49637
T1780 687-689 Chemical denotes 1H http://purl.obolibrary.org/obo/CHEBI_49637
T1781 706-708 Chemical denotes 1H http://purl.obolibrary.org/obo/CHEBI_49637
T1782 739-741 Chemical denotes 1H http://purl.obolibrary.org/obo/CHEBI_49637
T1783 792-794 Chemical denotes MS http://purl.obolibrary.org/obo/CHEBI_73613
T1784 800-802 Chemical denotes ES http://purl.obolibrary.org/obo/CHEBI_73509
T1785 833-835 Chemical denotes Na http://purl.obolibrary.org/obo/CHEBI_26708

LitCovid-sentences

Id Subject Object Predicate Lexical cue
T534 0-297 Sentence denotes To a solution of methyl N-(tert-butoxycarbonyl)-5-methyl-l-norleucinate (980 mg, 3.78 mmol) in THF (30 mL) at 0 °C was added a solution (precooled to 5 °C) of LiOH (1 M, 11.3 mL, 11.33 mmol), and the resulting mixture was stirred at 0 °C for 1 h and then allowed to warm to an ambient temperature.
T535 298-405 Sentence denotes The reaction was acidified to pH 2 with 1 M hydrochloric acid and extracted with ethyl acetate (3 × 60 mL).
T536 406-582 Sentence denotes The combined organics were washed with brine (100 mL), dried over MgSO4, filtered, and the solvent was removed in vacuo to yield the title compound as a clear oil, 990 mg, 99%.
T537 583-838 Sentence denotes 1H NMR (400 MHz, CDCl3) δ 4.96 (d, J = 7.8 Hz, 1H), 4.23–4.34 (m, 1H), 1.75–1.93 (m, 2H), 1.60–1.72 (m, 1H), 1.50–1.59 (m, 1H), 1.44 (s, 9H), 1.19–1.30 (m, 1H), 0.88 (d, J = 4 Hz, 3H), 0.86 (d, J = 4 Hz, 3H); MS (API-ES+) for C12H23NO4m/z 268.1 (M + Na)+.

LitCovid-PubTator

Id Subject Object Predicate Lexical cue tao:has_database_id
1819 17-71 Chemical denotes methyl N-(tert-butoxycarbonyl)-5-methyl-l-norleucinate
1820 95-98 Chemical denotes THF MESH:C018674
1821 159-163 Chemical denotes LiOH
1822 342-359 Chemical denotes hydrochloric acid MESH:D006851
1823 379-392 Chemical denotes ethyl acetate MESH:C007650
1824 445-450 Chemical denotes brine MESH:C017082
1825 472-477 Chemical denotes MgSO4 MESH:D008278