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N-Methylaniline → 6-[Methyl(phenyl)amino]-1,2,3,4-tetrahydronaphthalen-1-one

HRID 63613
Notes
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Reaction equation

HRID 63613 reaction equation
Br[C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[CH2:7][CH2:6][CH2:5]2.[CH3:13][NH:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1.C([O-])([O-])=O.[Cs+].[Cs+]>C1(C)C=CC=CC=1.CC([O-])=O.CC([O-])=O.[Pd+2].C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1>[CH3:13][N:14]([C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)[C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[CH2:7][CH2:6][CH2:5]2
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 7515N-MethylanilineHCID 10796Cesium carbonateHCID 101050696-Bromo-1-tetralone

Product 1

HCID 1185977576-[Methyl(phenyl)amino]-1,2,3,4-tetrahydronaphthalen-1-oneYield 68%

Reagents, catalysts & solvents 3

HCID 167845palladium(II) acetateCatalyst
HCID 634876
Binap, (A+-)-
Catalyst
HCID 1140TolueneSolvent

Conditions

Temperature
100 °C

Procedure

To a solution of 6-bromo-1,2,3,4-tetrahydronaphthalen-1-one (2.0 g, 8.9 mmol) in toluene (20 mL) was added N-methylaniline (960 mg, 8.9 mmol), Cs2CO3 (4.4 g, 13.4 mmol), BINAP (310 mg, 0.5 mmol) and Pd(OAc)2 (110 mg, 0.5 mmol). The mixture was stirred overnight at 100° C. under nitrogen. The mixture was filtered and concentrated, and the residue was purified by silica gel chromatography (30%-80% EtOAc/Hex) to give 1.52 g (68%) of the title compound as a light brown oil. [M+H] calc'd for C17H17NO, 252. found 252.

Workup

  1. filtrationThe mixture was filtered
  2. concentrationconcentrated
  3. customthe residue was purified by silica gel chromatography (30%-80% EtOAc/Hex)

Sources & evidence

ORD record
ord-1ff2332d81f540fa964a3c1b613116a1
Source dataset
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09447046B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes