Sodium Hydroxide → 7-[(4'-Trifluoromethyl-biphenyl-2-carbonyl)-amino)-quinoline-3-carboxylic acid

HRID 51967

Reaction equation

HRID 51967 reaction equation
C([O:3][C:4]([C:6]1[CH:7]=[N:8][C:9]2[C:14]([CH:15]=1)=[CH:13][CH:12]=[C:11]([NH:16][C:17]([C:19]1[C:20]([C:25]3[CH:30]=[CH:29][C:28]([C:31]([F:34])([F:33])[F:32])=[CH:27][CH:26]=3)=[CH:21][CH:22]=[CH:23][CH:24]=1)=[O:18])[CH:10]=2)=[O:5])C.[OH-].[Na+]>CO.C1COCC1>[F:34][C:31]([F:32])([F:33])[C:28]1[CH:27]=[CH:26][C:25]([C:20]2[C:19]([C:17]([NH:16][C:11]3[CH:10]=[C:9]4[C:14]([CH:15]=[C:6]([C:4]([OH:5])=[O:3])[CH:7]=[N:8]4)=[CH:13][CH:12]=3)=[O:18])=[CH:24][CH:23]=[CH:22][CH:21]=2)=[CH:30][CH:29]=1

Participants

5

Reactant 2

HCID 14798Sodium HydroxideHCID 101832717-[(4'-Trifluoromethyl-biphenyl-2-carbonyl)-amino]-quinoline-3-carboxylic acid ethyl ester

Product 1

HCID 102967197-[(4'-Trifluoromethyl-biphenyl-2-carbonyl)-amino)-quinoline-3-carboxylic acidYield 57%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 7-[(4′-trifluoromethyl-biphenyl-2-carbonyl)-amino]-quinoline-3-carboxylic acid ethyl ester (8.45 g, 18.2 mmol, 1 equiv) in MeOH (85 mL) and THF (85 mL) was added 1 N NaOH (91 mL, 91 mmol, 5 equiv). The solution was stirred at room temperature for 4 hours. The organic layer was removed in vacuo and the aqueous layer was washed with EtOAc (100 mL). The aqueous layer was then acidified to a pH of about 4 with concentrated HCl and a precipitate formed. The mixture was stirred for 48 hours and the solids collected by filtration to provide 7-[(4′-trifluoromethyl-biphenyl-2-carbonyl)-amino]-quinoline-3-carboxylic acid (4.5 g, 57% over two steps) as a yellow solid.

Workup

  1. customThe organic layer was removed in vacuo
  2. washthe aqueous layer was washed with EtOAc (100 mL)
  3. customa precipitate formed
  4. stirringThe mixture was stirred for 48 hours
  5. filtrationthe solids collected by filtration

Sources & evidence

ORD record
ord-9a975959f6bb496b81eb5ae85832330e
Source dataset
uspto-grants-2004_03
Patent number
US06713489B2

Linked notes

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