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3-(Trifluoromethyl)benzoyl chloride → N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-4-methoxyphenyl]-3-(trifluoromethyl)benzamide

HRID 2391463
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2391463
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([O:24][CH3:25])=[C:6]([CH:23]=1)[O:7][C:8]1[CH:9]=[CH:10][C:11]2[N:12]([CH:14]=[C:15]([NH:17][C:18]([CH:20]3[CH2:22][CH2:21]3)=[O:19])[N:16]=2)[N:13]=1.[F:26][C:27]([F:38])([F:37])[C:28]1[CH:29]=[C:30]([CH:34]=[CH:35][CH:36]=1)[C:31](Cl)=[O:32]>CN1CCCC1=O.Cl>[CH:20]1([C:18]([NH:17][C:15]2[N:16]=[C:11]3[CH:10]=[CH:9][C:8]([O:7][C:6]4[CH:23]=[C:2]([NH:1][C:31](=[O:32])[C:30]5[CH:34]=[CH:35][CH:36]=[C:28]([C:27]([F:26])([F:37])[F:38])[CH:29]=5)[CH:3]=[CH:4][C:5]=4[O:24][CH3:25])=[N:13][N:12]3[CH:14]=2)=[O:19])[CH2:21][CH2:22]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 752573-(Trifluoromethyl)benzoyl chlorideHCID 57505485N-[6-(5-amino-2-methoxyphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Produkt 1

HCID 57505698N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-4-methoxyphenyl]-3-(trifluoromethyl)benzamideAusbeute 80 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 313Hydrochloric AcidLösungsmittel
HCID 13387
N-methyl-2-pyrrolidone
Lösungsmittel

Versuchsvorschrift

To a solution of N-[6-(5-amino-2-methoxyphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (150 mg, 0.44 mmol) in N-methylpyrrolidone (6.0 mL) was added 3-(trifluoromethyl)benzoyl chloride (92 mg, 0.44 mmol) under ice-cooling, and the mixture was stirred at room temperature for 12 hr. The reaction mixture was diluted with 1N hydrochloric acid and extracted with ethyl acetate, and the organic layer was washed with 5% aqueous sodium hydrogencarbonate solution and saturated brine, dried over anhydrous sodium sulfate, and filtrated. The solvent was evaporated under reduced pressure, and the residue was purified by NH silica gel column chromatography (ethyl acetate/hexane=50/50→100/0), and precipitated from ethyl acetate/diisopropyl ether to give the title compound (180 mg, 80%) as a white powder.

Aufarbeitung

  1. temperaturecooling
  2. extractionextracted with ethyl acetate
  3. washthe organic layer was washed with 5% aqueous sodium hydrogencarbonate solution and saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltrated
  6. customThe solvent was evaporated under reduced pressure
  7. customthe residue was purified by NH silica gel column chromatography (ethyl acetate/hexane=50/50→100/0)
  8. customprecipitated from ethyl acetate/diisopropyl ether

Quellen und Nachweise

ORD-Eintrag
ord-08204fbc6d2e4df1bd9be61e07b59757
Quelldatensatz
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08273741B2

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