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Sodium Hydroxide → {[7-Anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetic acid

HRID 2215011
Notes
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Reaction equation

HRID 2215011 reaction equation
[OH-].[Na+].[NH:3]([C:10]1[N:19]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[C:18]2[N:17]=[C:16]([S:26][CH2:27][C:28]([O:30]CC)=[O:29])[CH:15]=[C:14]([C:33]([F:36])([F:35])[F:34])[C:13]=2[C:12](=[O:37])[CH:11]=1)[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1>CCO>[NH:3]([C:10]1[N:19]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[C:18]2[N:17]=[C:16]([S:26][CH2:27][C:28]([OH:30])=[O:29])[CH:15]=[C:14]([C:33]([F:36])([F:35])[F:34])[C:13]=2[C:12](=[O:37])[CH:11]=1)[C:4]1[CH:5]=[CH:6][CH:7]=[CH:8][CH:9]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 14798Sodium HydroxideHCID 11684737Ethyl {[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetate

Product 1

HCID 21948160{[7-Anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetic acidYield 67.2%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

NaOH (160 mg, 4.0 mmol) was added to a stirred solution of ethyl {[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetate (30.0 mg, 0.060 mmol) in aqueous EtOH (10 mL EtOH in 4 mL H2O). The mixture was allowed to stir for 4 h and was then concentrated in vacuo. The reaction was acidified with 1N HCl and extracted with CH2Cl2. The organic layer was dried over MgSO4, and concentrated in vacuo. Purification by preparative HPLC (10% CH3CN in water with 0.1% TFA to 95% CH3CN in water, 10 mL/min, 10 min) provided {[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetic acid (19.0 mg, 66%): LCMS RT: 2.50 min, MH+: 472.1

Workup

  1. concentrationwas then concentrated in vacuo
  2. extractionextracted with CH2Cl2
  3. dry with materialThe organic layer was dried over MgSO4
  4. concentrationconcentrated in vacuo
  5. customPurification by preparative HPLC (10% CH3CN in water with 0.1% TFA to 95% CH3CN in water, 10 mL/min, 10 min)

Sources & evidence

ORD record
ord-0cf44090d83b4b3e86c3c5cc98240c16
Source dataset
uspto-grants-2006_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07109196B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes