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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 1960569
Notes
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Reaction equation

HRID 1960569 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
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

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-carboxylate
Yield 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-a7232e08dd934254a7dac0528c6f4218
Source dataset
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08410087B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes