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Water → 3-({[4-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-3-(3-fluorophenyl)piperidin-1-yl]carbonyl}oxy)benzoic acid

HRID 1691716
Notes
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Reaction equation

HRID 1691716 reaction equation
[C:1]([O:5][C:6]([N:8]([CH2:21][CH:22]1[CH2:27][CH2:26][N:25]([C:28]([O:30][C:31]2[CH:36]=[CH:35][CH:34]=[C:33]([C:37]([O:39]C)=[O:38])[CH:32]=2)=[O:29])[CH2:24][CH:23]1[C:41]1[CH:46]=[CH:45][CH:44]=[C:43]([F:47])[CH:42]=1)[C@@H:9]([C:11]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[CH:14]=[CH:13][CH:12]=1)[CH3:10])=[O:7])([CH3:4])([CH3:3])[CH3:2].[OH-].[Na+].C(OCC)(=O)C.O>C1COCC1.CO>[C:1]([O:5][C:6]([N:8]([CH2:21][CH:22]1[CH2:27][CH2:26][N:25]([C:28]([O:30][C:31]2[CH:32]=[C:33]([CH:34]=[CH:35][CH:36]=2)[C:37]([OH:39])=[O:38])=[O:29])[CH2:24][CH:23]1[C:41]1[CH:46]=[CH:45][CH:44]=[C:43]([F:47])[CH:42]=1)[C@@H:9]([C:11]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[CH:14]=[CH:13][CH:12]=1)[CH3:10])=[O:7])([CH3:2])([CH3:3])[CH3:4]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 962WaterHCID 8857Ethyl AcetateHCID 14798Sodium HydroxideHCID 669061673-(methoxycarbonyl)phenyl 4-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-3-(3-fluorophenyl)piperidine-1-carboxylate

Product 1

HCID 669060843-({[4-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-3-(3-fluorophenyl)piperidin-1-yl]carbonyl}oxy)benzoic acid
Yield 45.9%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 196 mg of 3-(methoxycarbonyl)phenyl 4-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-3-(3-fluorophenyl)piperidine-1-carboxylate in 2.0 mL of THF and 1.0 mL of methanol was added 1.00 mL of a 1 M aqueous sodium hydroxide solution at room temperature, followed by stirring for 1 hour. To the reaction mixture were added ethyl acetate and water, and a liquid separation operation was then conducted. The obtained aqueous layer was neutralized by addition of 1.00 mL of 1 M hydrochloric acid, and then extracted with ethyl acetate. The organic layer was washed with saturated brine, and dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure to obtain 88 mg of 3-({[4-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-3-(3-fluorophenyl)piperidin-1-yl]carbonyl}oxy)benzoic acid. ESI−: 625

Workup

  1. customa liquid separation operation
  2. additionThe obtained aqueous layer was neutralized by addition of 1.00 mL of 1 M hydrochloric acid
  3. extractionextracted with ethyl acetate
  4. washThe organic layer was washed with saturated brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. filtrationAfter filtration
  7. concentrationthe filtrate was concentrated under reduced pressure

Sources & evidence

ORD record
ord-02fbd16cc55d4d2698e3f9d978e6ca28
Source dataset
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08153658B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes