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3-[4-(2-Benzyloxy-acetoxy)-phenyl]-2-{3-[4-(2-benzyloxy-acetoxy)-phenyl]propionyl amino}-propionic acid methyl ester → 3-[4-(2-Hydroxy-acetoxy)-phenyl]-2-{3-[4-(2-hydroxy-acetoxy)-phenyl]-propionylamino}-propionic acid methyl ester

HRID 2065443
Notes
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Reaction equation

HRID 2065443 reaction equation
[CH3:1][O:2][C:3](=[O:47])[CH:4]([NH:24][C:25](=[O:46])[CH2:26][CH2:27][C:28]1[CH:33]=[CH:32][C:31]([O:34][C:35](=[O:45])[CH2:36][O:37]CC2C=CC=CC=2)=[CH:30][CH:29]=1)[CH2:5][C:6]1[CH:11]=[CH:10][C:9]([O:12][C:13](=[O:23])[CH2:14][O:15]CC2C=CC=CC=2)=[CH:8][CH:7]=1>C(OCC)(=O)C.[Pd]>[CH3:1][O:2][C:3](=[O:47])[CH:4]([NH:24][C:25](=[O:46])[CH2:26][CH2:27][C:28]1[CH:29]=[CH:30][C:31]([O:34][C:35](=[O:45])[CH2:36][OH:37])=[CH:32][CH:33]=1)[CH2:5][C:6]1[CH:7]=[CH:8][C:9]([O:12][C:13](=[O:23])[CH2:14][OH:15])=[CH:10][CH:11]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 584275113-[4-(2-Benzyloxy-acetoxy)-phenyl]-2-{3-[4-(2-benzyloxy-acetoxy)-phenyl]propionyl amino}-propionic acid methyl ester

Product 1

HCID 167395763-[4-(2-Hydroxy-acetoxy)-phenyl]-2-{3-[4-(2-hydroxy-acetoxy)-phenyl]-propionylamino}-propionic acid methyl ester

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 8857Ethyl AcetateSolvent

Procedure

3-[4-(2-Benzyloxy-acetoxy)-phenyl]-2-{3-[4-(2-benzyloxy-acetoxy)-phenyl]propionyl amino}-propionic acid methyl ester 25 (10 grams, 15.64 mmol) is dissolved in ethyl acetate (100 mL) in a pressure vessel, palladium on carbon (10%, 5 grams) is added and the mixture is stirred under an atmosphere of hydrogen (4 Kg) for 5 hours. The catalyst is removed by filtration and is distilled of the ethyl acetate. The crude 26 can be purified in appropriate solvent.

Workup

  1. customThe catalyst is removed by filtration
  2. distillationis distilled of the ethyl acetate
  3. customThe crude 26 can be purified in appropriate solvent

Sources & evidence

ORD record
ord-c38c5c03c520462f825a483b88beecc2
Source dataset
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08288505B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes