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Water → HCID 67492851, Verbindung

HRID 1920868
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1920868
CC1(C)C(C)(C)OB([C:9]2[CH:10]=[C:11]([C:15]3([CH2:19][NH:20][C:21](=[O:27])[O:22][C:23]([CH3:26])([CH3:25])[CH3:24])[CH2:18][O:17][CH2:16]3)[CH:12]=[CH:13][CH:14]=2)O1.I[C:30]1[CH:35]=[CH:34][N:33]=[C:32]2[N:36]([C:43]([C:56]3[CH:61]=[CH:60][CH:59]=[CH:58][CH:57]=3)([C:50]3[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=3)[C:44]3[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=3)[N:37]=[C:38]([C:39]([F:42])([F:41])[F:40])[C:31]=12.C(=O)([O-])[O-].[Na+].[Na+].O>O1CCOCC1.CC(C)([P](C(C)(C)C)([Pd][P](C(C)(C)C)(C(C)(C)C)C(C)(C)C)C(C)(C)C)C.C(OCC)(=O)C>[F:40][C:39]([F:42])([F:41])[C:38]1[C:31]2[C:32](=[N:33][CH:34]=[CH:35][C:30]=2[C:9]2[CH:10]=[C:11]([C:15]3([CH2:19][NH:20][C:21](=[O:27])[O:22][C:23]([CH3:25])([CH3:24])[CH3:26])[CH2:16][O:17][CH2:18]3)[CH:12]=[CH:13][CH:14]=2)[N:36]([C:43]([C:56]2[CH:61]=[CH:60][CH:59]=[CH:58][CH:57]=2)([C:50]2[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=2)[C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)[N:37]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 4

HCID 962WaterHCID 10340Sodium CarbonateHCID 579697084-Iodo-3-(trifluoromethyl)-1-(triphenylmethyl)-1H-pyrazolo[3,4-b]pyridineHCID 57969842HCID 57969842, Verbindung

Produkt 1

HCID 67492851HCID 67492851, VerbindungAusbeute 50,3 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 178418851HCID 178418851, VerbindungKatalysator
HCID 8857Ethyl AcetateLösungsmittel
HCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

tert-Butyl N-[[3-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]oxetan-3-yl]methyl]carbamate (65 mg, 0.1670 mmol) was dissolved in dioxane (3 mL) and 4-iodo-3-(trifluoromethyl)-1-trityl-pyrazolo[3,4-b]pyridine (92.74 mg, 0.1670 mmol) was added followed by sodium carbonate (250.5 μL of 2 M, 0.5010 mmol). The reaction was degassed and filled with nitrogen 5 times then Pd[P(tBu)3]2 (12.80 mg, 0.02505 mmol) was added. The reaction was heated at 60° C. overnight. After cooling, water was added followed by ethyl acetate. The aqueous layer was extracted three times with ethyl acetate, the combined organics washed with brine, dried over MgSO4, filtered and the solvent removed under reduced pressure. The crude product was purified on silica (Companion, 12 g) eluting with 2.5-50% EtOAc:Pet.ether to give tert-butyl N-[[3-[3-[3-(trifluoromethyl)-1-trityl-pyrazolo[3,4-b]pyridin-4-yl]phenyl]oxetan-3-yl]methyl]carbamate as a white foam (58 mg, 50%).

Aufarbeitung

  1. customThe reaction was degassed
  2. additionfilled with nitrogen 5 times
  3. temperatureAfter cooling
  4. extractionThe aqueous layer was extracted three times with ethyl acetate
  5. washthe combined organics washed with brine
  6. dry with materialdried over MgSO4
  7. filtrationfiltered
  8. customthe solvent removed under reduced pressure
  9. customThe crude product was purified on silica (Companion, 12 g)
  10. washeluting with 2.5-50% EtOAc

Quellen und Nachweise

ORD-Eintrag
ord-725bfd9999154bb290c220326e06e6c1
Quelldatensatz
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08173635B2

Notizen zur Reaktion

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