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Dimethylformamide → N-methyl-N-{2-[5-(1H-1,2,4-triazol-1-ylmethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}pyridine-2-sulfonamide

HRID 504916
Notes
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Reaction equation

HRID 504916 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]=[N:35][CH:34]=[N:33]1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[CH3:31][N:21]([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]=[N:35][CH:34]=[N:33]3)[CH2:8][N:9]=1)=[CH:20]2)[S:22]([C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][N:26]=1)(=[O:24])=[O:23]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 92571H-1,2,4-TriazoleHCID 11430Potassium CarbonateHCID 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 59135694N-methyl-N-{2-[5-(1H-1,2,4-triazol-1-ylmethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}pyridine-2-sulfonamide
Yield 59.3%

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 (1.0 g), 1H-1,2,4-triazole (290 mg), potassium carbonate (580 mg) and N,N-dimethylformamide (10 mL) was stirred at 60° C. for 15 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The residue was subjected to basic silica gel column chromatography, and eluted with hexane-ethyl acetate-methanol (50:50:0-0:100:0-0:95:5, volume ratio) to give N-methyl-N-{2-[5-(1H-1,2,4-triazol-1-ylmethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}pyridine-2-sulfonamide (560 mg, yield 59%) as a pale-yellow amorphous solid.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. washeluted with hexane-ethyl acetate-methanol (50:50:0-0:100:0-0:95:5, volume ratio)

Sources & evidence

ORD record
ord-692b95ffa4c14d2caa83c63f0b02e4b4
Source dataset
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07777047B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes