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Potassium Carbonate → N-[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]methanesulfonamide

HRID 1839396
Notes
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Reaction equation

HRID 1839396 reaction equation
[NH:1]([C:8]1[N:9]([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[C:10]2[C:15]([C:16](=[O:18])[CH:17]=1)=[C:14]([C:19]([F:22])([F:21])[F:20])[CH:13]=[C:12](Cl)[N:11]=2)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:30][S:31]([NH2:34])(=[O:33])=[O:32].C([O-])([O-])=O.[K+].[K+]>CS(C)=O>[NH:1]([C:8]1[N:9]([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[C:10]2[N:11]=[C:12]([NH:34][S:31]([CH3:30])(=[O:33])=[O:32])[CH:13]=[C:14]([C:19]([F:22])([F:21])[F:20])[C:15]=2[C:16](=[O:18])[CH:17]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 72879MethanesulfonamideHCID 219481692-anilino-7-chloro-1-phenyl-5-trifluoromethyl-1,8-naphthyridin-4(1H)-one

Product 1

HCID 10162479N-[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]methanesulfonamideYield 4%

Reagents, catalysts & solvents 1

HCID 679
Dimethyl Sulfoxide
Solvent

Conditions

Temperature
120 °C

Procedure

To a solution of 2-anilino-7-chloro-1-phenyl-5-(trifluoromethyl)-1,8-naphthyridin-4(1H)-one (100 mg, 0.241 mmol) in DMSO (5 mL) was added methyl sulfonamide and K2CO3 (76.5 mg, 0.554 mmol). The reaction was stirred at 120° C. for 24 h. The reaction was then cooled to room temperature, quenched with water and extracted with Et2O. The organic layers were dried over MgSO4, and concentrated in vacuo. The crude residue was then passed through a plug of silica gel eluting with 1:1 Hex:EtOAc to 9:1 CH2Cl2:MeOH to afford N-[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]methanesulfonamide as a white solid (4.4 mg, 4%): LCMS RT: 2.45, MH+: 475.2.

Workup

  1. temperatureThe reaction was then cooled to room temperature
  2. customquenched with water
  3. extractionextracted with Et2O
  4. dry with materialThe organic layers were dried over MgSO4
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-b7339840489549ccb37c22d6c613344e
Source dataset
uspto-grants-2004_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06677352B1

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes