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Dimethylformamide → 2-(2-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1-thia-3,8-diazaspiro[4.5]dec-2-en-8-yl)acetamide

HRID 1960546
Notes
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Reaction equation

HRID 1960546 reaction equation
[CH3:1][N:2]([C:11]1[CH:12]=[CH:13][CH:14]=[C:15]2[C:19]=1[NH:18][C:17]([C:20]1[S:21][C:22]3([CH2:29][CH2:28][NH:27][CH2:26][CH2:25]3)[CH2:23][N:24]=1)=[CH:16]2)[S:3]([C:6]1[S:7][CH:8]=[CH:9][CH:10]=1)(=[O:5])=[O:4].Cl[CH2:31][C:32]([NH2:34])=[O:33].C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>CCCCCC.O>[CH3:1][N:2]([S:3]([C:6]1[S:7][CH:8]=[CH:9][CH:10]=1)(=[O:4])=[O:5])[C:11]1[CH:12]=[CH:13][CH:14]=[C:15]2[C:19]=1[NH:18][C:17]([C:20]1[S:21][C:22]3([CH2:29][CH2:28][N:27]([CH2:31][C:32]([NH2:34])=[O:33])[CH2:26][CH2:25]3)[CH2:23][N:24]=1)=[CH:16]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 6580ChloroacetamideHCID 11430Potassium CarbonateHCID 59135835N-methyl-N-[2-(1-thia-3,8-diazaspiro[4.5]dec-2-en-2-yl)-1H-indol-7-yl]thiophene-2-sulfonamide

Product 1

HCID 248997732-(2-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1-thia-3,8-diazaspiro[4.5]dec-2-en-8-yl)acetamideYield 56%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 8058HexaneSolvent

Procedure

A mixture of N-methyl-N-[2-(1-thia-3,8-diazaspiro[4.5]dec-2-en-2-yl)-1H-indol-7-yl]thiophene-2-sulfonamide (100 mg), chloroacetamide (30 mg), potassium carbonate (40 mg) and N,N-dimethylformamide (3 mL) was stirred at room temperature for 1 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 obtained residue was subjected to silica gel column chromatography, and eluted with ethyl acetate:hexane=1:1 from a fraction to give the title compound (62 mg, yield 56%) as white crystals. melting point 226° C.

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 ethyl acetate

Sources & evidence

ORD record
ord-7d5e72c9a2d6421dac3c3e56275da09e
Source dataset
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08410087B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes