Potassium Carbonate → 1-((R)-tetrahydrofuran-3-yl)-3-(4-nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

HRID 874391Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 874391
[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([C:10]2[C:18]3[C:13](=[N:14][CH:15]=[N:16][C:17]=3[NH2:19])[NH:12][N:11]=2)=[CH:6][CH:5]=1)([O-:3])=[O:2].C([O-])([O-])=O.[K+].[K+].CS(O[C@H:31]1[CH2:35][CH2:34][O:33][CH2:32]1)(=O)=O>CN(C=O)C>[O:33]1[CH2:34][CH2:35][C@@H:31]([N:12]2[C:13]3=[N:14][CH:15]=[N:16][C:17]([NH2:19])=[C:18]3[C:10]([C:7]3[CH:6]=[CH:5][C:4]([N+:1]([O-:3])=[O:2])=[CH:9][CH:8]=3)=[N:11]2)[CH2:32]1

Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 57561588(S)-tetrahydrofuran-3-yl methanesulfonateHCID 178508716HCID 178508716, Verbindung

Produkt 1

HCID 585067331-((R)-tetrahydrofuran-3-yl)-3-(4-nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A solution of 3-(4-nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (0.5 g, 1.95 mmol), K2CO3 (1.08 g, 7.8 mmol), and (S)-tetrahydrofuran-3-yl methanesulfonate (0.389 g, 2.34 mmol) in DMF (20 mL) was brought to 80° C. under an argon atmosphere. The reaction mixture was left stirring for 3 hours, then cooled and filtered. The filtrate was concentrated in vacuo, but not to dryness. 20 mL of 0.1 sodium citrate was added causing a solid to form, which was collected by filtration to afford 1-((R)-tetrahydrofuran-3-yl)-3-(4-nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine. ESI-MS m/z [M+H]+ found 327.6, calculated 327.3.

Aufarbeitung

  1. customwas brought to 80° C. under an argon atmosphere
  2. waitThe reaction mixture was left
  3. temperaturecooled
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated in vacuo
  6. addition20 mL of 0.1 sodium citrate was added
  7. customto form
  8. filtrationwhich was collected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-cb6461387a39433da891c0faf2fa2866
Quelldatensatz
uspto-grants-2015_03
Patentnummer
US08980899B2

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