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Sodium Hydroxide → (2RS,3RS)-3-(3-chlorophenyl)-3-hydroxy-2-[4-(2,2,3,3,3-pentafluoropropyl)benzyl]propionic acid

HRID 1610755
Notes
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Reaction equation

HRID 1610755 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]([OH:30])[CH:9]([CH2:15][C:16]2[CH:21]=[CH:20][C:19]([CH2:22][C:23]([F:29])([F:28])[C:24]([F:27])([F:26])[F:25])=[CH:18][CH:17]=2)[C:10]([O:12]CC)=[O:11])[CH:5]=[CH:6][CH:7]=1.[OH-].[Na+]>O1CCCC1CCO>[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]([OH:30])[CH:9]([CH2:15][C:16]2[CH:21]=[CH:20][C:19]([CH2:22][C:23]([F:28])([F:29])[C:24]([F:26])([F:27])[F:25])=[CH:18][CH:17]=2)[C:10]([OH:12])=[O:11])[CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 14798Sodium HydroxideHCID 86593311ethyl (2RS,3RS)-3-(3-chlorophenyl)-3-hydroxy-2-[4-(2,2,3,3,3-pentafluoropropyl)benzyl]propionate

Product 1

HCID 22262096(2RS,3RS)-3-(3-chlorophenyl)-3-hydroxy-2-[4-(2,2,3,3,3-pentafluoropropyl)benzyl]propionic acidYield 79.1%

Reagents, catalysts & solvents 1

HCID 119895722-(Oxolan-2-yl)ethan-1-olSolvent

Procedure

To a solution of ethyl (2RS,3RS)-3-(3-chlorophenyl)-3-hydroxy-2-[4-(2,2,3,3,3-pentafluoropropyl)benzyl]propionate (3.84 g, 8.52 mmol) in tetrahydrofuran-ethanol (20 ml—20 ml) was added 1N sodium hydroxide (17 ml, 17 mmol) at room temperature, and the mixture was stirred overnight at room temperature. After completion of the reaction, the organic solvent was evaporated under reduced pressure, and the aqueous layer was acidified with 1N hydrochloric acid and extracted with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure. The residue was recrystallized from hexane-ethyl acetate to give (2RS,3RS)-3-(3-chlorophenyl)-3-hydroxy-2-[4-(2,2,3,3,3-pentafluoropropyl)benzyl]propionic acid (2.85 g, 79%) as colorless crystals.

Workup

  1. customAfter completion of the reaction
  2. customthe organic solvent was evaporated under reduced pressure
  3. extractionextracted with ethyl acetate
  4. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was recrystallized from hexane-ethyl acetate

Sources & evidence

ORD record
ord-741184d4e65b443d83fdaaf8cbf7fe80
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