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Hydrochloric Acid → (2RS,3RS)-3-hydroxy-3-(4-(phenyloxy)phenyl)-2-((3-((1,1,2,2-tetrafluoroethyl)oxy)phenyl)methyl)propionic acid

HRID 1610483
Notes
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Reaction equation

HRID 1610483 reaction equation
[OH:1][CH:2]([C:23]1[CH:28]=[CH:27][C:26]([O:29][C:30]2[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=2)=[CH:25][CH:24]=1)[CH:3]([CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[C:12]([O:16][C:17]([F:22])([F:21])[CH:18]([F:20])[F:19])[CH:11]=1)[C:4]([O:6]CC)=[O:5].[OH-].[Na+].Cl>CO>[OH:1][CH:2]([C:23]1[CH:24]=[CH:25][C:26]([O:29][C:30]2[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=2)=[CH:27][CH:28]=1)[CH:3]([CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[C:12]([O:16][C:17]([F:22])([F:21])[CH:18]([F:20])[F:19])[CH:11]=1)[C:4]([OH:6])=[O:5]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 22261623ethyl(2RS,3RS)-3-hydroxy-3-(4-(phenyloxy)phenyl)-2-((3-((1,1,2,2-tetrafluoroethyl)oxy)phenyl)methyl)propionate

Product 1

HCID 22261519(2RS,3RS)-3-hydroxy-3-(4-(phenyloxy)phenyl)-2-((3-((1,1,2,2-tetrafluoroethyl)oxy)phenyl)methyl)propionic acidYield 89%

Reagents, catalysts & solvents 1

HCID 887
Methanol
Solvent

Procedure

To a solution of ethyl(2RS,3RS)-3-hydroxy-3-(4-(phenyloxy)phenyl)-2-((3-((1,1,2,2-tetrafluoroethyl)oxy)phenyl)methyl)propionate (6.14 g, 12.5 mmol) in methanol (30 ml) was added 2N aqueous sodium hydroxide solution (12.5 ml, 25.0 mmol), and the mixture was stirred overnight at room temperature. The reaction solution was acidified with 1N hydrochloric acid and extracted with ethyl acetate (200 ml×2). The extract was washed with water and saturated brine, dried over anhydrous magnesium sulfate and evaporated under reduced pressure. Recrystallization of the residue from ethyl acetate-hexane gave (2RS,3RS)-3-hydroxy-3-(4-(phenyloxy)phenyl)-2-((3-((1,1,2,2-tetrafluoroethyl)oxy)phenyl)methyl)propionic acid (4.51 g, 89%).

Workup

  1. extractionextracted with ethyl acetate (200 ml×2)
  2. washThe extract was washed with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customevaporated under reduced pressure
  5. customRecrystallization of the residue from ethyl acetate-hexane

Sources & evidence

ORD record
ord-cc7bac3f97964a7fb509bbf24046c300
Source dataset
uspto-grants-2006_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06982348B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes