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7-[2-((E)-3-Hydroxy-4-phenyl-but-1-enyl)-6-oxo-piperidin-1-yl]-heptanoic acid methyl ester → 7-[2-(3-Hydroxy-4-phenyl-butyl)-6-oxo-piperidin-1-yl]-heptanoic Acid Methyl Ester

HRID 352415
Notes
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Reaction equation

HRID 352415 reaction equation
[CH3:1][O:2][C:3](=[O:28])[CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][N:10]1[C:15](=[O:16])[CH2:14][CH2:13][CH2:12][CH:11]1/[CH:17]=[CH:18]/[CH:19]([OH:27])[CH2:20][C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.[H][H]>[Pd].CO>[CH3:1][O:2][C:3](=[O:28])[CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][N:10]1[C:15](=[O:16])[CH2:14][CH2:13][CH2:12][CH:11]1[CH2:17][CH2:18][CH:19]([OH:27])[CH2:20][C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 104079117-[2-((E)-3-Hydroxy-4-phenyl-but-1-enyl)-6-oxo-piperidin-1-yl]-heptanoic acid methyl esterHCID 178418361HCID 178418361, compound

Product 1

HCID 103181837-[2-(3-Hydroxy-4-phenyl-butyl)-6-oxo-piperidin-1-yl]-heptanoic Acid Methyl EsterYield 65%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalyst
HCID 887
Methanol
Solvent

Procedure

Palladium on carbon (10 wt.%, 5 mg) was added to a solution of 7-[2-((E)-3-hydroxy-4-phenyl-but-1-enyl)-6-oxo-piperidin-1-yl]-heptanoic acid methyl ester (20 mg, 0.052 mmol) in MeOH (2.0 mL). A hydrogen atmosphere was established by evacuating and refilling with hydrogen (3×) and the reaction mixture was stirred under a balloon of hydrogen for 22 h. The reaction mixture was filtered through celite, washing with MeOH, and the filtrate was concentrated in vacuo to afford 13 mg (65%) of the title compound.

Workup

  1. customby evacuating
  2. filtrationThe reaction mixture was filtered through celite
  3. washwashing with MeOH
  4. concentrationthe filtrate was concentrated in vacuo

Sources & evidence

ORD record
ord-a0ab3b0861204b02af61302e50debe31
Source dataset
uspto-grants-2004_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06747037B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes