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Sodium hydride → 1-(4-Fluorophenyl)-1H-pyrazolo[3,4-c]pyridine-4-carboxylic acid[(S)-1-(1-methanesulfonyl-1H-pyrazol-3-yl)-propyl]-amide

HRID 2198131
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2198131
[NH:1]1[CH:5]=[CH:4][C:3]([C@@H:6]([NH:9][C:10]([C:12]2[C:13]3[CH:20]=[N:19][N:18]([C:21]4[CH:26]=[CH:25][C:24]([F:27])=[CH:23][CH:22]=4)[C:14]=3[CH:15]=[N:16][CH:17]=2)=[O:11])[CH2:7][CH3:8])=[N:2]1.[H-].[Na+].[CH3:30][S:31](Cl)(=[O:33])=[O:32]>C1COCC1>[CH3:30][S:31]([N:1]1[CH:5]=[CH:4][C:3]([C@@H:6]([NH:9][C:10]([C:12]2[C:13]3[CH:20]=[N:19][N:18]([C:21]4[CH:22]=[CH:23][C:24]([F:27])=[CH:25][CH:26]=4)[C:14]=3[CH:15]=[N:16][CH:17]=2)=[O:11])[CH2:7][CH3:8])=[N:2]1)(=[O:33])=[O:32]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 24758Sodium hydrideHCID 31297Methanesulfonyl chlorideHCID 1784560771-(4-Fluorophenyl)-1H-pyrazolo[3,4-c]pyridine-4-carboxylic acid [(S)-1-(1H-pyrazol-3-yl)-propyl]-amide

Produkt 1

HCID 592781571-(4-Fluorophenyl)-1H-pyrazolo[3,4-c]pyridine-4-carboxylic acid[(S)-1-(1-methanesulfonyl-1H-pyrazol-3-yl)-propyl]-amide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

To a room temperature solution of 1-(4-fluorophenyl)-1H-pyrazolo[3,4-c]pyridine-4-carboxylic acid [(S)-1-(1H-pyrazol-3-yl)-propyl]-amide (0.040 g, 0.11 mmol) in THF was added 60% sodium hydride (9 mg, 0.2 mmol) in mineral oil. After 20 minutes, methansulfonyl chloride (25 mg, 0.22 mmol) was added. After 3 hours, the reaction was quenched with saturated aqueous ammonium chloride and the mixture was extracted with EtOAc. The combined organic layers were washed with brine, dried over sodium sulfate and concentrated in vacuo. The residue was purified by silica gel chromatography (the column was equilibrated with dichloromethane-Et3N) eluting with 5% methanol in dichloromethane. Material from the column was crystallized in ether to afford the title compound.

Aufarbeitung

  1. waitAfter 3 hours
  2. customthe reaction was quenched with saturated aqueous ammonium chloride
  3. extractionthe mixture was extracted with EtOAc
  4. washThe combined organic layers were washed with brine
  5. dry with materialdried over sodium sulfate
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by silica gel chromatography (the column
  8. washeluting with 5% methanol in dichloromethane
  9. customMaterial from the column was crystallized in ether

Quellen und Nachweise

ORD-Eintrag
ord-aa819d48b7ac4646a80ae877b4d14067
Quelldatensatz
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08338610B2

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