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Sodium Carbonate → N2-(4-{4-amino-1-[1-(2-methoxyethyl)-4-piperidyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}phenyl)-5,7-dimethyl-1,3-benzoxazol-2-amine

HRID 897891
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 897891
I[C:2]1[C:10]2[C:5](=[N:6][CH:7]=[N:8][C:9]=2[NH2:11])[N:4]([CH:12]2[CH2:17][CH2:16][N:15]([CH2:18][CH2:19][O:20][CH3:21])[CH2:14][CH2:13]2)[N:3]=1.[CH3:22][C:23]1[CH:24]=[C:25]([CH3:48])[C:26]2[O:30][C:29]([NH:31][C:32]3[CH:37]=[CH:36][C:35](B4OC(C)(C)C(C)(C)O4)=[CH:34][CH:33]=3)=[N:28][C:27]=2[CH:47]=1.C(=O)([O-])[O-].[Na+].[Na+]>COCCOC.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[NH2:11][C:9]1[N:8]=[CH:7][N:6]=[C:5]2[N:4]([CH:12]3[CH2:17][CH2:16][N:15]([CH2:18][CH2:19][O:20][CH3:21])[CH2:14][CH2:13]3)[N:3]=[C:2]([C:35]3[CH:34]=[CH:33][C:32]([NH:31][C:29]4[O:30][C:26]5[C:25]([CH3:48])=[CH:24][C:23]([CH3:22])=[CH:47][C:27]=5[N:28]=4)=[CH:37][CH:36]=3)[C:10]=12
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Komponenten

8

Edukt 3

HCID 10340Sodium CarbonateHCID 11581347(5,7-Dimethyl-benzoxazol-2-yl)-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-amine2×HCID 223469673-iodo-1-[1-(2-methoxyethyl)-4-piperidyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine

Produkt 1

HCID 22346838N2-(4-{4-amino-1-[1-(2-methoxyethyl)-4-piperidyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}phenyl)-5,7-dimethyl-1,3-benzoxazol-2-amineAusbeute 54 %

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 11979704Tetrakis(triphenylphosphine)palladiumKatalysatorHCID 178418397HCID 178418397, VerbindungKatalysatorHCID 962WaterLösungsmittelHCID 80711,2-DimethoxyethaneLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

A mixture of 3-iodo-1-[1-(2-methoxyethyl)-4-piperidyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine (0.2 g, 0.0005 mol), N-(5,7-dimethyl-1,3-benzoxazol-2-yl)-N-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]amine (0.28 g, 0.00078 mol), tetrakis(triphenylphosphine)palladium (0.029 g, 0.000025 mol) and sodium carbonate (0.13 g, 0.00125 mol) in ethylene glycol dimethyl ether (25 mL) and water (5 mL) was heated at 80° C. for 5 hours under an atmosphere of nitrogen. Additional N-(5,7-dimethyl-1,3-benzoxazol-2-yl)-N-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]amine (0.14 g, 0.00039 mol.) and tetrakis(triphenylphosphine)-palladium (0.015 g, 0.0000125 mol) were added, and the mixture was stirred at 80° C. for 16 hours. The mixture was allowed to cool to ambient temperature, and the solvent was removed under the reduced pressure. The residue was partitioned between water and dichloromethane. The aqueous layer was extracted with dichloromethane (2×50 mL). The combined organic extracts were washed with water, saturated aqueous sodium bicarbonate solution, and brine, and dried over magnesium sulfate. The solvents were evaporated under the reduced pressure to leave a brownish solid which was purified by flash column chromatography on silica using 5%-20% methanol/dichloromethane as a mobile phase to give N2-(4-{4-amino-1-[1-(2-methoxyethyl)-4-piperidyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}phenyl)-5,7-dimethyl-1,3-benzoxazol-2-amine (0.14 g, 0.00027 mol). 1H NMR (TFA-d, 400 MHz) δ 8.53 (s, 1H), 7.88 (m, 2H), 7.81 (m, 2H), 7.14 (s, 2H), 5.40 (br, 1H), 4.05 (m, 2H), 3.98 (m, 2H), 3.66 (m, 2H), 3.56 (s, 3H), 3.47 (m, 2H), 2.96 (m, 2H), 2.54 (br, 2H), 2.50 (s, 3H), 2.43 (s, 3H). RP-HPLC (Delta Pak C18, 5 μm, 300 A, 15 cm; 5%-95% acetonitrile-0.1M ammonium acetate over 10 min, 1 mL/min) Rt 9.6 min. MS: MH+ 513

Aufarbeitung

  1. temperatureto cool to ambient temperature
  2. customthe solvent was removed under the reduced pressure
  3. customThe residue was partitioned between water and dichloromethane
  4. extractionThe aqueous layer was extracted with dichloromethane (2×50 mL)
  5. washThe combined organic extracts were washed with water, saturated aqueous sodium bicarbonate solution, and brine
  6. dry with materialdried over magnesium sulfate
  7. customThe solvents were evaporated under the reduced pressure
  8. customto leave a brownish solid which
  9. customwas purified by flash column chromatography on silica using 5%-20% methanol/dichloromethane as a mobile phase

Quellen und Nachweise

ORD-Eintrag
ord-10b565262d274e7089b198d1da6be7e5
Quelldatensatz
uspto-grants-2005_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06921763B2

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