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Dimethylformamide → 7-[[(2-methoxyphenyl)sulfonyl](methyl)amino]-1H-indole-2-carboxamide

HRID 1994787
Notes
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Reaction equation

HRID 1994787 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[S:9]([N:12]([CH3:25])[C:13]1[CH:14]=[CH:15][CH:16]=[C:17]2[C:21]=1[NH:20][C:19]([C:22](O)=[O:23])=[CH:18]2)(=[O:11])=[O:10].C[N:27](C)C=O.Cl.CN(C)CCCN=C=NCC>C(OCC)(=O)C>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[S:9]([N:12]([CH3:25])[C:13]1[CH:14]=[CH:15][CH:16]=[C:17]2[C:21]=1[NH:20][C:19]([C:22]([NH2:27])=[O:23])=[CH:18]2)(=[O:11])=[O:10]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6228DimethylformamideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 574761757-[[(2-methoxyphenyl)sulfonyl](methyl)amino]-1H-indole-2-carboxylic acid

Product 1

HCID 574761777-[[(2-methoxyphenyl)sulfonyl](methyl)amino]-1H-indole-2-carboxamide

Reagents, catalysts & solvents 1

HCID 8857
Ethyl Acetate
Solvent

Procedure

To a mixture of 7-[[(2-methoxyphenyl)sulfonyl](methyl)amino]-1H-indole-2-carboxylic acid (3.0 g), 1H-1,2,3-benzotriazol-1-ol-ammonia complex (1.65 g) and N,N-dimethylformamide (30 mL) was added N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (2.1 g) under ice-cooling, and the mixture was stirred from under ice-cooling to room temperature for 18 hr. The reaction solution was diluted with ethyl acetate, washed with aqueous sodium hydrogencarbonate solution, water and brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The obtained crystals were washed with ethyl acetate-hexane to give the title compound (2.82 g, crude yield 94%) as pale-pink crystals. MS: 360 (MH+).

Workup

  1. temperaturecooling
  2. washwashed with aqueous sodium hydrogencarbonate solution, water and brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. washThe obtained crystals were washed with ethyl acetate-hexane

Sources & evidence

ORD record
ord-3671824cd5934f04aa909f20dc7ce68d
Source dataset
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07652133B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes