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6-Methoxy-2-(methylethyl)-1-[4-(phenylmethoxy)benzyl]-1,2,3,4-tetrahydroisoquinoline → 6-Methoxy-2-(methylethyl)-1-(4-hydroxybenzyl)-1,2,3,4-tetrahydroisoquinoline

HRID 1357995
Notes
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Reaction equation

HRID 1357995 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[CH:9]([CH2:13][C:14]1[CH:19]=[CH:18][C:17]([O:20]CC3C=CC=CC=3)=[CH:16][CH:15]=1)[N:8]([CH:28]([CH3:30])[CH3:29])[CH2:7][CH2:6]2>C(O)(=O)C.C(OCC)(=O)C.[Pd]>[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[CH:9]([CH2:13][C:14]1[CH:19]=[CH:18][C:17]([OH:20])=[CH:16][CH:15]=1)[N:8]([CH:28]([CH3:30])[CH3:29])[CH2:7][CH2:6]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 1

HCID 234408396-Methoxy-2-(methylethyl)-1-[4-(phenylmethoxy)benzyl]-1,2,3,4-tetrahydroisoquinoline

Product 1

HCID 234407376-Methoxy-2-(methylethyl)-1-(4-hydroxybenzyl)-1,2,3,4-tetrahydroisoquinolineYield 91%

Reagents, catalysts & solvents 3

HCID 176Acetic AcidCatalystHCID 23938PalladiumCatalystHCID 8857
Ethyl Acetate
Solvent

Procedure

A suspension of 6-methoxy-2-(methylethyl)-1-[4-(phenylmethoxy)benzyl]-1,2,3,4-tetrahydroisoquinoline (0.3 g, 0.75 mmol), palladium (10% wt) on activated carbon (0.06 g) and acetic acid (5 drops) in ethyl acetate (10 mL) was stirred under hydrogen overnight. The reaction was filtered and concentrated to provide the title compound (0.212 g, 91% yield): ES-MS (m/z) 312 [M+H]+.

Workup

  1. filtrationThe reaction was filtered
  2. concentrationconcentrated

Sources & evidence

ORD record
ord-a4db3c5103ce4b908929b051af894dbc
Source dataset
uspto-grants-2003_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06593322B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes