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Hydrochloric Acid → N-{3-[2-(4-Cyanophenyl)ethylthio]phenyl}benzenesulfonamide

HRID 1791863
Notes
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Reaction equation

HRID 1791863 reaction equation
[C:1]1([S:7](Cl)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[NH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[C:14]([S:18][CH2:19][CH2:20][C:21]2[CH:26]=[CH:25][C:24]([C:27]#[N:28])=[CH:23][CH:22]=2)[CH:13]=1.Cl>N1C=CC=CC=1.C(Cl)Cl>[C:27]([C:24]1[CH:25]=[CH:26][C:21]([CH2:20][CH2:19][S:18][C:14]2[CH:13]=[C:12]([NH:11][S:7]([C:1]3[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=3)(=[O:9])=[O:8])[CH:17]=[CH:16][CH:15]=2)=[CH:22][CH:23]=1)#[N:28]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 313Hydrochloric AcidHCID 7369Benzenesulfonyl chlorideHCID 22033546Amino-3-[2-(4-cyanophenyl)ethylthio]benzene

Product 1

HCID 22033483N-{3-[2-(4-Cyanophenyl)ethylthio]phenyl}benzenesulfonamideYield 82.1%

Reagents, catalysts & solvents 2

HCID 1049PyridineSolvent
HCID 6344
Dichloromethane
Solvent

Procedure

Benzenesulfonyl chloride (0.62 g; 3.5 mmol) was added to a cold solution (ice:water temperature) of amino-3-[2-(4-cyanophenyl)ethylthio]benzene (0.80 g; 3.15 mmol; from step (ii) above) in a mixture of pyridine (1 mL) and CH2Cl2 (20 mL) over 10 minutes. After 3 hours stirring, 2M aqueous HCl was added and the solution extracted with CH2Cl2. The organic layer was dried (MgSO4) and the solvent removed in vacuo. The residue was purified by flash chromatography (SiO2; Et2O:hexane (1:1)) to give 1.02 g (82%) of the sub-title compound.

Workup

  1. extractionthe solution extracted with CH2Cl2
  2. dry with materialThe organic layer was dried (MgSO4)
  3. customthe solvent removed in vacuo
  4. customThe residue was purified by flash chromatography (SiO2; Et2O:hexane (1:1))

Sources & evidence

ORD record
ord-900bd1dae3d14db3a3e119f5d642c9f2
Source dataset
uspto-grants-2006_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07074820B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes