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Sodium Hydroxide → {5-[4-(1-ethyl-1-{4-[2-(1-hydroxy-cyclopentyl)-ethyl]-3-methyl-phenyl}-propyl)-phenyl]-pyridin-3-yl}-acetic Acid

HRID 547086
Notes
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Reaction equation

HRID 547086 reaction equation
[OH-].[Na+].C[O:4][C:5](=[O:39])[CH2:6][C:7]1[CH:8]=[N:9][CH:10]=[C:11]([C:13]2[CH:18]=[CH:17][C:16]([C:19]([CH2:37][CH3:38])([C:22]3[CH:27]=[CH:26][C:25]([CH2:28][CH2:29][C:30]4([OH:35])[CH2:34][CH2:33][CH2:32][CH2:31]4)=[C:24]([CH3:36])[CH:23]=3)[CH2:20][CH3:21])=[CH:15][CH:14]=2)[CH:12]=1.[Cl-].[NH4+]>CO>[CH2:20]([C:19]([C:16]1[CH:15]=[CH:14][C:13]([C:11]2[CH:12]=[C:7]([CH2:6][C:5]([OH:39])=[O:4])[CH:8]=[N:9][CH:10]=2)=[CH:18][CH:17]=1)([C:22]1[CH:27]=[CH:26][C:25]([CH2:28][CH2:29][C:30]2([OH:35])[CH2:31][CH2:32][CH2:33][CH2:34]2)=[C:24]([CH3:36])[CH:23]=1)[CH2:37][CH3:38])[CH3:21]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 14798Sodium HydroxideHCID 25517Ammonium ChlorideHCID 57443539{5-[4-(1-ethyl-1-{4-[2-(1-hydroxy-cyclopentyl)-ethyl]-3-methyl-phenyl}-propyl)-phenyl]-pyridin-3-yl}-acetic Acid Methyl Ester

Product 1

HCID 15942549{5-[4-(1-ethyl-1-{4-[2-(1-hydroxy-cyclopentyl)-ethyl]-3-methyl-phenyl}-propyl)-phenyl]-pyridin-3-yl}-acetic AcidYield 60.2%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

A 2 N sodium hydroxide aqueous solution (0.08 mL, 0.157 mmol) was added to a solution of {5-[4-(1-ethyl-1-{4-[2-(1-hydroxy-cyclopentyl)-ethyl]-3-methyl-phenyl}-propyl)-phenyl]-pyridin-3-yl}-acetic acid methyl ester (Example 150-(1); 13.1 mg, 0.026 mmol) in methanol (0.26 mL), and the mixture was stirred at room temperature for two hours. A saturated aqueous ammonium chloride solution was added to the reaction mixture, followed by extraction with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The resulting residue was purified by thin layer silica gel chromatography (dichloromethane:methanol=9:1) to give the title compound (7.6 mg, 59%).

Workup

  1. extractionfollowed by extraction with ethyl acetate
  2. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe resulting residue was purified by thin layer silica gel chromatography (dichloromethane:methanol=9:1)

Sources & evidence

ORD record
ord-0753e98545ee489ea2dd55342b08915f
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07935688B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes