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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 1180148
Notes
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Reaction equation

HRID 1180148 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-192eae8f1c43447cb06a4f9481c22c65
Source dataset
uspto-grants-2007_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07279489B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes