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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 1995003
Notes
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Reaction equation

HRID 1995003 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 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

Sources & evidence

ORD record
ord-be311d7dd64748f58c9b30f29cd875aa
Source dataset
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07652133B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes