Reaktionsgleichung
Cl.[NH2:2][C:3]1[N:4]=[C:5]2[CH:10]=[CH:9][C:8]([O:11][C:12]3[CH:13]=[CH:14][C:15]([F:28])=[C:16]([NH:18][C:19]([C:21]4[N:25]([CH3:26])[N:24]=[C:23]([CH3:27])[CH:22]=4)=[O:20])[CH:17]=3)=[N:7][N:6]2[CH:29]=1.[C:30](Cl)(=[O:33])[CH2:31][CH3:32].O>CN(C)C(=O)C>[F:28][C:15]1[CH:14]=[CH:13][C:12]([O:11][C:8]2[CH:9]=[CH:10][C:5]3[N:6]([CH:29]=[C:3]([NH:2][C:30](=[O:33])[CH2:31][CH3:32])[N:4]=3)[N:7]=2)=[CH:17][C:16]=1[NH:18][C:19]([C:21]1[N:25]([CH3:26])[N:24]=[C:23]([CH3:27])[CH:22]=1)=[O:20]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
To a solution of N-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-fluorophenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide.hydrochloride (200 mg, 0.48 mmol) in N,N-dimethylacetamide (2.0 mL) was added propionyl chloride (49.9 μL, 0.57 mmol), and the mixture was stirred at room temperature for 2 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate, washed with saturated brine, dried over anhydrous sodium sulfate, and filtrated. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (ethyl acetate/hexane=3/1→ethyl acetate alone) and washed with ethyl acetate to give the title compound (78 mg, 37%) as a white powder.
Aufarbeitung
- extractionthe mixture was extracted with ethyl acetate
- washwashed with saturated brine
- dry with materialdried over anhydrous sodium sulfate
- filtrationfiltrated
- customThe solvent was evaporated under reduced pressure
- customthe residue was purified by silica gel column chromatography (ethyl acetate/hexane=3/1→ethyl acetate alone) and
- washwashed with ethyl acetate
Quellen und Nachweise
- ORD-Eintrag
- ord-806c1536fe7f4f05b1ee96d9c2fa7b43
- Quelldatensatz
- uspto-grants-2011_10
- Patentnummer
- US08034812B2
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