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

HRID 2095895
Notes
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Reaction equation

HRID 2095895 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)=[CH:4][C:3]=1[F:24].[F:25][C:26]1[CH:31]=[CH:30][C:29]([N:32]2[C:37]([CH3:38])=[CH:36][CH:35]=[C:34]([C:39](O)=[O:40])[C:33]2=[O:42])=[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.C(=O)([O-])O.[Na+]>CN(C)C(=O)C>[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:39]([C:34]5[C:33](=[O:42])[N:32]([C:29]6[CH:28]=[CH:27][C:26]([F:25])=[CH:31][CH:30]=6)[C:37]([CH3:38])=[CH:36][CH:35]=5)=[O:40])=[C:3]([F:24])[CH:4]=4)=[CH:12][N:11]3[CH:13]=2)=[O:18])[CH2:21][CH2:20]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 516892Sodium BicarbonateHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 210815291-(4-Fluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acidHCID 58158468N-[6-(4-amino-3-fluorophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamide

Product 1

HCID 58158452N-[4-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-a]pyridin-6-yl}oxy)-2-fluorophenyl]-1-(4-fluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxamideYield 81.4%

Reagents, catalysts & solvents 1

HCID 31374DimethylacetamideSolvent

Procedure

To a solution of N-[6-(4-amino-3-fluorophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamide (150 mg, 0.46 mmol) in N,N-dimethylacetamide (3.0 mL) were added 1-(4-fluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid (170 mg, 0.689 mmol), HATU (262 mg, 0.689 mmol) and N,N-diisopropylethylamine (120 μL, 0.689 mmol), and the mixture was stirred at room temperature for 20 hr. Saturated aqueous sodium hydrogen carbonate was added to the reaction mixture, and the mixture was extracted with ethyl acetate/tetrahydrofuran. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and filtered. The solvent was evaporated under reduced pressure, and the residue was washed with ethyl acetate and collected by filtration to give the title compound (208 mg, 81%) as a white solid.

Workup

  1. extractionthe mixture was extracted with ethyl acetate/tetrahydrofuran
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. customThe solvent was evaporated under reduced pressure
  6. washthe residue was washed with ethyl acetate
  7. filtrationcollected by filtration

Sources & evidence

ORD record
ord-3c8982f21a5844f7a5eb76027d1781e5
Source dataset
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08445509B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes