Dimethylformamide → ethyl 1-[(2-{7-[methyl(pyridin-2-ylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-5-yl)methyl]-1H-imidazole-2-carboxylate

HRID 2239172Notes

Reaction equation

HRID 2239172 reaction equation
CS(O[CH2:6][CH:7]1[S:11][C:10]([C:12]2[NH:13][C:14]3[C:19]([CH:20]=2)=[CH:18][CH:17]=[CH:16][C:15]=3[N:21]([CH3:31])[S:22]([C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][N:26]=2)(=[O:24])=[O:23])=[N:9][CH2:8]1)(=O)=O.[NH:32]1[CH:36]=[CH:35][N:34]=[C:33]1[C:37]([O:39][CH2:40][CH3:41])=[O:38].C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[CH3:31][N:21]([S:22]([C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][N:26]=1)(=[O:24])=[O:23])[C:15]1[CH:16]=[CH:17][CH:18]=[C:19]2[C:14]=1[NH:13][C:12]([C:10]1[S:11][CH:7]([CH2:6][N:32]3[CH:36]=[CH:35][N:34]=[C:33]3[C:37]([O:39][CH2:40][CH3:41])=[O:38])[CH2:8][N:9]=1)=[CH:20]2

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 549404ethyl 1H-imidazole-2-carboxylateHCID 59136156(2-{7-[methyl(pyridin-2-ylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-5-yl)methyl methanesulfonate

Product 1

HCID 59135802ethyl 1-[(2-{7-[methyl(pyridin-2-ylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-5-yl)methyl]-1H-imidazole-2-carboxylateYield 83.2%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
60 °C

Procedure

A mixture of (2-{7-[methyl(pyridin-2-ylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-5-yl)methyl methanesulfonate (250 mg), ethyl 1H-imidazole-2-carboxylate (146 mg), potassium carbonate (144 mg) and N,N-dimethylformamide (5 mL) was stirred at 60° C. for 4.5 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, dried over magnesium sulfate, and filtrated, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate:hexane=15:85-100:0) to give the title compound (227 mg, yield 83%) as a orange oil.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed successively with water and saturated brine
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltrated
  5. concentrationthe filtrate was concentrated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (ethyl acetate:hexane=15:85-100:0)

Sources & evidence

ORD record
ord-f7caf38b4dd94e539a797d55556fddf5
Source dataset
uspto-grants-2010_05
Patent number
US07718798B2

Reaction notes

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