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Sodium Thiosulfate → N-[2-fluoro-3-(5H-pyrrolo[2,3-b]pyrazine-7-carbonyl)-phenyl]-4-trifluoromethyl-benzenesulfonamide

HRID 1639599
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1639599
[F:1][C:2]1[C:7]([CH:8]([OH:18])[C:9]2[C:17]3[C:12](=[N:13][CH:14]=[CH:15][N:16]=3)[NH:11][CH:10]=2)=[CH:6][CH:5]=[CH:4][C:3]=1[NH:19][S:20]([C:23]1[CH:28]=[CH:27][C:26]([C:29]([F:32])([F:31])[F:30])=[CH:25][CH:24]=1)(=[O:22])=[O:21].CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C1=CC=CC=2)=O.C(=O)(O)[O-].[Na+].S([O-])([O-])(=O)=S.[Na+].[Na+]>O1CCCC1>[F:1][C:2]1[C:7]([C:8]([C:9]2[C:17]3[C:12](=[N:13][CH:14]=[CH:15][N:16]=3)[NH:11][CH:10]=2)=[O:18])=[CH:6][CH:5]=[CH:4][C:3]=1[NH:19][S:20]([C:23]1[CH:28]=[CH:27][C:26]([C:29]([F:31])([F:32])[F:30])=[CH:25][CH:24]=1)(=[O:21])=[O:22]
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Komponenten

6

Edukt 4

HCID 24477Sodium ThiosulfateHCID 159087TriacetoxyperiodinaneHCID 516892Sodium BicarbonateHCID 58001697N-{2-fluoro-3-[hydroxy-(5H-pyrrolo[2,3-b]pyrazin-7-yl)-methyl]-phenyl}-4-trifluoromethyl-benzenesulfonamide

Produkt 1

HCID 44538880N-[2-fluoro-3-(5H-pyrrolo[2,3-b]pyrazine-7-carbonyl)-phenyl]-4-trifluoromethyl-benzenesulfonamide
Ausbeute 75,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To N-{2-fluoro-3-[hydroxy-(5H-pyrrolo[2,3-b]pyrazin-7-yl)-methyl]-phenyl}-4-trifluoromethyl-benzenesulfonamide (27, 141 mg, 0.30 mmol) in 2 mL of tetrahydrofuran, Dess-Martin periodane (141 mg, 0.33 mmol) and sodium bicarbonate (200 mg) were added. The reaction was stirred at room temperature for one hour, then poured into saturated aqueous sodium thiosulfate solution and extracted with ethyl acetate. The organic layer was washed with brine, dried over anhydrous sodium sulfate, filtered and the filtrate concentrated under vacuum. The resulting material was purified by silica gel column chromatography eluting with 50%) ethyl acetate in hexane. Appropriate fractions were combined and concentrated under vacuum to provide the desired compound (P-0009, 105 mg, 75%). MS (ESI) [M−H+]−=463.4.

Aufarbeitung

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationfiltered
  5. concentrationthe filtrate concentrated under vacuum
  6. customThe resulting material was purified by silica gel column chromatography
  7. washeluting with 50%) ethyl acetate in hexane
  8. concentrationconcentrated under vacuum

Quellen und Nachweise

ORD-Eintrag
ord-eea471f5b49c434f8ba7df9d2c062e46
Quelldatensatz
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08110576B2

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