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Lithium hydroxide, monohydrate → 5-(11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)benzofuran-3-carboxylic acid

HRID 1776908
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1776908
[F:1][C:2]1[C:3]2[CH:4]=[C:5]3[C:14]4[N:15]=[C:16]([C:19]5[C:20]([N:39]([CH3:44])[S:40]([CH3:43])(=[O:42])=[O:41])=[CH:21][C:22]6[O:26][C:25]([C:27]7[CH:32]=[CH:31][C:30]([F:33])=[CH:29][CH:28]=7)=[C:24]([C:34]([O:36]C)=[O:35])[C:23]=6[CH:38]=5)[CH:17]=[CH:18][C:13]=4[O:12][CH2:11][N:6]3[C:7]=2[CH:8]=[CH:9][CH:10]=1.O[Li].O>O1CCOCC1.O>[F:1][C:2]1[C:3]2[CH:4]=[C:5]3[C:14]4[N:15]=[C:16]([C:19]5[C:20]([N:39]([CH3:44])[S:40]([CH3:43])(=[O:42])=[O:41])=[CH:21][C:22]6[O:26][C:25]([C:27]7[CH:28]=[CH:29][C:30]([F:33])=[CH:31][CH:32]=7)=[C:24]([C:34]([OH:36])=[O:35])[C:23]=6[CH:38]=5)[CH:17]=[CH:18][C:13]=4[O:12][CH2:11][N:6]3[C:7]=2[CH:8]=[CH:9][CH:10]=1
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Komponenten

4

Edukt 2

HCID 168937Lithium hydroxide, monohydrateHCID 86728288methyl 5-(11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)benzofuran-3-carboxylate

Produkt 1

HCID 867282875-(11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)benzofuran-3-carboxylic acidAusbeute 70 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 21886435
1,4-Dioxane--water (1/1)
Lösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

To a solution of methyl 5-(11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)benzofuran-3-carboxylate (60 mg, 0.10 mmol) in dioxane/H2O (11 mL/5 mL) was added LiOH.H2O (12.3 mg, 0.30 mol), and the mixture was stirred at 100° C. for 2 hours. After concentrated, the resulting residue was dissolved in H2O, 1 N HCl was added until pH reached 3, and the mixture was extracted with EtOAc. The organic layer was washed with brine, dried over Na2SO4 and filtered. The solvent was removed by distillation to provide 5-(11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)benzofuran-3-carboxylic acid (41 mg, yield: 70%). 1H-NMR (DMSO-d6, 400 MHz) δ 13.36 (s, 1H), 8.26 (s, 1H), 8.13˜8.16 (m, 2H), 8.09 (s, 1H), 7.71 (d, J=8.4 Hz, 1H), 7.61 (d, J=8.4 Hz, 1H), 7.52 (d, J=8.4 Hz, 1H), 7.42˜7.46 (m, 2H), 7.25˜7.27 (m, 1H), 7.09 (s, 1H), 6.92˜6.96 (m, 1H), 6.28 (s, 2H), 3.30 (s, 3H), 2.98 (d, 3H). MS (M+H)+: 602.

Aufarbeitung

  1. concentrationAfter concentrated
  2. dissolutionthe resulting residue was dissolved in H2O
  3. addition1 N HCl was added until pH
  4. extractionthe mixture was extracted with EtOAc
  5. washThe organic layer was washed with brine
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. customThe solvent was removed by distillation

Quellen und Nachweise

ORD-Eintrag
ord-0b16f8e7952c40e88c6434f90f7b138c
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09265773B2

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