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Triphenylphosphine → Tert-butyl 2-[[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]methyl]azetidine-1-carboxylate

HRID 1429737
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1429737
[F:1][C:2]1[CH:7]=[C:6]([O:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH:5]=[CH:4][C:3]=1[C:15]1[C:23]2[C:18](=[N:19][CH:20]=[N:21][C:22]=2[NH2:24])[NH:17][N:16]=1.O[CH2:26][CH:27]1[CH2:30][CH2:29][N:28]1[C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32].C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.CC(OC(/N=N/C(OC(C)C)=O)=O)C>C1COCC1>[NH2:24][C:22]1[N:21]=[CH:20][N:19]=[C:18]2[N:17]([CH2:26][CH:27]3[CH2:30][CH2:29][N:28]3[C:31]([O:33][C:34]([CH3:35])([CH3:37])[CH3:36])=[O:32])[N:16]=[C:15]([C:3]3[CH:4]=[CH:5][C:6]([O:8][C:9]4[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=4)=[CH:7][C:2]=3[F:1])[C:23]=12
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 14821739tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylateHCID 1785087183-(2-Fluoro-4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

Produkt 1

HCID 90001120Tert-butyl 2-[[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]methyl]azetidine-1-carboxylate
Ausbeute 175,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel2×

Versuchsvorschrift

To a mixture of 3-(2-fluoro-4-phenoxy-phenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (300 mg, 0.930 mmol), tert-butyl 2-(hydroxymethyl)azetidine-1-carboxylate (0.33 mL, 1.9 mmol) and PPh3 (733.86 mg, 2.8 mmol) in THF (10 mL) in ice bath, the DIAD (0.37 mL, 1.87 mmol) as a solution in 5 ml THF was slowly added. The mixture was stirred at RT overnight and then the solvent was removed. To the residue was added H2O and the mixture was extracted with EtOAc. The combined organic layer was washed with NaHCO3, then brine, and dried over Na2SO4. The solvent was removed to get tert-butyl 2-[[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]methyl]azetidine-1-carboxylate weighing 800 mg, which was used without further purification for the next step.

Aufarbeitung

  1. customthe solvent was removed
  2. additionTo the residue was added H2O
  3. extractionthe mixture was extracted with EtOAc
  4. washThe combined organic layer was washed with NaHCO3
  5. dry with materialbrine, and dried over Na2SO4
  6. customThe solvent was removed

Quellen und Nachweise

ORD-Eintrag
ord-552865e520fa41829b052361f18d8ee2
Quelldatensatz
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08940744B2

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