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Water → 1,2-bis[N-[4-(4-pyridylthio)butyl]-N-propionylamino]benzene

HRID 864026
Notes
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Reaction equation

HRID 864026 reaction equation
[SH:1][C:2]1[CH:7]=[CH:6][N:5]=[CH:4][CH:3]=1.[OH-].[K+].Cl[CH2:11][CH2:12][CH2:13][CH2:14][N:15]([C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=1[N:26]([C:32](=[O:35])[CH2:33][CH3:34])[CH2:27][CH2:28][CH2:29][CH2:30]Cl)[C:16](=[O:19])[CH2:17][CH3:18].O>CS(C)=O>[N:5]1[CH:6]=[CH:7][C:2]([S:1][CH2:11][CH2:12][CH2:13][CH2:14][N:15]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=2[N:26]([C:32](=[O:35])[CH2:33][CH3:34])[CH2:27][CH2:28][CH2:29][CH2:30][S:1][C:2]2[CH:7]=[CH:6][N:5]=[CH:4][CH:3]=2)[C:16](=[O:19])[CH2:17][CH3:18])=[CH:3][CH:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 14797Potassium HydroxideHCID 190792541,2-bis[N-(4-chlorobutyl)-N-propionylamino]benzeneHCID 178418431pyridine-4-thiol

Product 1

HCID 190791281,2-bis[N-[4-(4-pyridylthio)butyl]-N-propionylamino]benzeneYield 81%

Reagents, catalysts & solvents 1

HCID 679
Dimethyl Sulfoxide
Solvent

Procedure

To a solution of 525 mg (4.7 mmol) of 4-mercaptopyridine and 265 mg (4.7 mmol) of potassium hydroxide in 20 ml of dimethyl sulfoxide, 760 mg (1.89 mmol) of 1,2-bis[N-(4-chlorobutyl)-N-propionylamino]benzene was added at room temperature, and the mixture was stirred for 2 hours. The reaction mixture was poured into water and the mixture was extracted with ethyl acetate. The extract was dried and the solvent was distilled off. The residue was purified by column chromatography (eluent:ethyl acetate to ethyl acetate/ethanol=20:1 to 10:1 to 5:1) to give 0.84 g of the desired product (81.0% yield, pale yellow crystals).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. customThe extract was dried
  3. distillationthe solvent was distilled off
  4. customThe residue was purified by column chromatography (eluent:ethyl acetate to ethyl acetate/ethanol=20:1 to 10:1 to 5:1)

Sources & evidence

ORD record
ord-f20d61e5c9f0443d9f09354de22030cf
Source dataset
uspto-grants-1996_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05561147

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes