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Dimethyl Sulfoxide → HCID 67401611, compound

HRID 1186302
Notes
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Reaction equation

HRID 1186302 reaction equation
Cl[C:2]1[C:11]([O:12][CH:13]([C:18]2[CH:19]=[N:20][CH:21]=[CH:22][CH:23]=2)[C:14]([F:17])([F:16])[F:15])=[N:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]=1.CS(C)=O.[C:28]([C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[S:36]([NH2:39])(=[O:38])=[O:37])#[N:29].C(=O)([O-])[O-].[K+].[K+]>C(O)(=O)C>[C:28]([C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[S:36]([NH:39][C:2]1[C:11]([O:12][CH:13]([C:18]2[CH:19]=[N:20][CH:21]=[CH:22][CH:23]=2)[C:14]([F:17])([F:16])[F:15])=[N:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]=1)(=[O:38])=[O:37])#[N:29]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 679Dimethyl SulfoxideHCID 11430Potassium CarbonateHCID 15110752-CyanobenzenesulfonamideHCID 86657923HCID 86657923, compound

Product 1

HCID 67401611HCID 67401611, compoundYield 70%

Reagents, catalysts & solvents 1

HCID 176
Acetic Acid
Solvent

Procedure

According to Example 132, by use of 2-chloro-3-[2,2,2-trifluoro-1-(pyridin-3-yl)ethoxy]-quinoxaline (Compound BJ) (70 mg, 0.21 mmol), dimethyl sulfoxide (2 mL), 2-cyanobenzenesulfonamide (38 mg, 0.21 mmol) and potassium carbonate (28 mg, 0.21 mmol), the mixture was stirred and reacted at 150° C. for 1.5 hours. The reaction mixture was allowed to cool down to room temperature, a 1% aqueous acetic acid solution was added thereto, and extraction with ethyl acetate was performed. The organic layer was washed with a saturated aqueous sodium chloride solution and dried over anhydrous magnesium sulfate, and then the solvent was evaporated off under reduced pressure. The residue was subjected to slurry purification using methanol, to give 2-cyano-N-{3-[2,2,2-trifluoro-1-(pyridin-3-yl)ethoxy]-quinoxalin-2-yl}benzenesulfonamide (Compound 145) (70 mg, 70%).

Workup

  1. customreacted at 150° C. for 1.5 hours
  2. extractionextraction with ethyl acetate
  3. washThe organic layer was washed with a saturated aqueous sodium chloride solution
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customthe solvent was evaporated off under reduced pressure
  6. custompurification

Sources & evidence

ORD record
ord-b5bce99ff4704c6280af6267727c4d86
Source dataset
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08673908B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes