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Diisopropylethylamine → N-[4-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-a]pyridin-6-yl}oxy)-3-fluorophenyl]-1-(4-fluorophenyl)-6-(1-methylethyl)-2-oxo-1,2-dihydropyridine-3-carboxamide

HRID 2095921
Notes
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Reaction equation

HRID 2095921 reaction equation
[NH2:1][C:2]1[CH:23]=[CH:22][C:5]([O:6][C:7]2[CH:8]=[CH:9][C:10]3[N:11]([CH:13]=[C:14]([NH:16][C:17]([CH:19]4[CH2:21][CH2:20]4)=[O:18])[N:15]=3)[CH:12]=2)=[C:4]([F:24])[CH:3]=1.[F:25][C:26]1[CH:31]=[CH:30][C:29]([N:32]2[C:37]([CH:38]([CH3:40])[CH3:39])=[CH:36][CH:35]=[C:34]([C:41](O)=[O:42])[C:33]2=[O:44])=[CH:28][CH:27]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)C(C)C)(C)C>CN(C)C=O>[CH:19]1([C:17]([NH:16][C:14]2[N:15]=[C:10]3[CH:9]=[CH:8][C:7]([O:6][C:5]4[CH:22]=[CH:23][C:2]([NH:1][C:41]([C:34]5[C:33](=[O:44])[N:32]([C:29]6[CH:30]=[CH:31][C:26]([F:25])=[CH:27][CH:28]=6)[C:37]([CH:38]([CH3:40])[CH3:39])=[CH:36][CH:35]=5)=[O:42])=[CH:3][C:4]=4[F:24])=[CH:12][N:11]3[CH:13]=2)=[O:18])[CH2:21][CH2:20]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 58158605N-[6-(4-amino-2-fluorophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamideHCID 669689221-(4-Fluorophenyl)-6-(1-methylethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid

Product 1

HCID 58158555
N-[4-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-a]pyridin-6-yl}oxy)-3-fluorophenyl]-1-(4-fluorophenyl)-6-(1-methylethyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
Yield 58.6%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A mixture of N-[6-(4-amino-2-fluorophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamide (150 mg, 0.459 mmol), 1-(4-fluorophenyl)-6-(1-methylethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid (151 mg, 0.551 mmol), HATU (262 mg, 0.689 mmol), N,N-diisopropylethylamine (240 μL, 1.37 mmol) and N,N-dimethylformamide (3 mL) was stirred at room temperature for 4 days. After dilution with ethyl acetate, the mixture was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine, dried over anhydrous magnesium sulfate and filtered. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (NH silica gel, 30 g, ethyl acetate/hexane=2/98-+80/20) to give the title compound (157 mg, 58%) as a white powder.

Workup

  1. washAfter dilution with ethyl acetate, the mixture was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. filtrationfiltered
  4. customThe solvent was evaporated under reduced pressure
  5. customthe residue was purified by silica gel column chromatography (NH silica gel, 30 g, ethyl acetate/hexane=2/98-+80/20

Sources & evidence

ORD record
ord-01b53812d77045e48253d0eda11e546b
Source dataset
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08445509B2

Reaction notes

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