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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 2119459
Notes
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Reaction equation

HRID 2119459 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-3a0363e8a7ba49af8243cbc5b67ca5cb
Source dataset
uspto-grants-2004_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06686351B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes