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

HRID 2095922Notes

Reaction equation

HRID 2095922 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)[CH:3]=1.[F:25][C:26]1[CH:31]=[C:30]([F:32])[CH:29]=[CH:28][C:27]=1[N:33]1[C:38]([CH3:39])=[CH:37][CH:36]=[C:35]([C:40](O)=[O:41])[C:34]1=[O:43].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.[F:61][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:40]([C:35]5[C:34](=[O:43])[N:33]([C:27]6[CH:28]=[CH:29][C:30]([F:32])=[CH:31][C:26]=6[F:25])[C:38]([CH3:39])=[CH:37][CH:36]=5)=[O:41])=[C:3]([F:61])[CH:4]=4)=[CH:12][N:11]3[CH:13]=2)=[O:18])[CH2:21][CH2:20]1

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 58158605N-[6-(4-amino-2-fluorophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamideHCID 581586271-(2,4-Difluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid

Product 1

HCID 58158521N-[4-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-a]pyridin-6-yl}oxy)-2-fluorophenyl]-1-(2,4-difluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxamideYield 81%

Reagents, catalysts & solvents 1

HCID 31374DimethylacetamideSolvent

Procedure

To a solution of N-[6-(4-amino-2-fluorophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamide (200 mg, 0.613 mmol) and 1-(2,4-difluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid (244 mg, 0.919 mmol) in N,N-dimethylacetamide (2.0 mL) were added HATU (350 mg, 0.919 mmol) and N,N-diisopropylethylamine (160 μL, 0.919 mmol), and the mixture was stirred at room temperature for 3 hr. Saturated aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate/tetrahydrofuran, washed with saturated brine, dried over anhydrous magnesium sulfate and filtered. The solvent was evaporated under reduced pressure. The obtained residue was washed with ethyl acetate and collected by filtration to give the title compound (284 mg, 81%) as a white solid.

Workup

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

Sources & evidence

ORD record
ord-0b25d649ea87466f84dade26f6205d4c
Source dataset
uspto-grants-2013_05
Patent number
US08445509B2

Reaction notes

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