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Bicarbonate Ion → 5-{[4,4-Dimethyl-5-methoxy-7-methyl-2-trifluoromethyl-1,2,3,4-tetrahydronaphthalen-1-yl]amino}-quinolin-2(1H)-one

HRID 1869379
Notes
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Reaction equation

HRID 1869379 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[C:7]([CH3:9])[CH:6]=[CH:5][C:4]=1[C:10]([CH3:21])([CH3:20])[CH2:11][C:12](O)([C:15]([F:18])([F:17])[F:16])[CH:13]=O.[NH2:22][C:23]1[CH:32]=[CH:31][CH:30]=[C:29]2[C:24]=1[CH:25]=[CH:26][C:27](=[O:33])[NH:28]2.[Cl-].[Al+3].[Cl-].[Cl-].C(=O)(O)[O-]>>[CH3:20][C:10]1([CH3:21])[C:4]2[C:5](=[CH:6][C:7]([CH3:9])=[CH:8][C:3]=2[O:2][CH3:1])[CH:13]([NH:22][C:23]2[CH:32]=[CH:31][CH:30]=[C:29]3[C:24]=2[CH:25]=[CH:26][C:27](=[O:33])[NH:28]3)[CH:12]([C:15]([F:18])([F:17])[F:16])[CH2:11]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 4

HCID 769Bicarbonate IonHCID 6451240Aluminum(III) ChlorideHCID 157190785-Amino-1,2-dihydroquinolin-2-oneHCID 179891274-(2-Methoxy-4-methylphenyl)-2-hydroxy-4-methyl-2-(trifluoromethyl)pentanal

Product 1

HCID 686804915-{[4,4-Dimethyl-5-methoxy-7-methyl-2-trifluoromethyl-1,2,3,4-tetrahydronaphthalen-1-yl]amino}-quinolin-2(1H)-one
Yield 6.1%

Procedure

Analogously to Example 2, the corresponding imine is produced starting from 280 mg of 4-(2-methoxy-4-methylphenyl)-2-hydroxy-4-methyl-2-(trifluoromethyl)pentanal and 156 mg of 5-aminoquinolin-2(1H)-one. The latter is stirred at room temperature with 93 mg of aluminum chloride for 2.5 hours. The batch is added to saturated bicarbonate solution and extracted with ethyl acetate. The organic phase is washed with water and brine, dried (Na2SO4) and concentrated by evaporation in a vacuum. After chromatography on silica gel (dichloromethane/2-propanol 0->5%), 24 mg of the title compound is obtained.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic phase is washed with water and brine
  3. dry with materialdried (Na2SO4)
  4. concentrationconcentrated by evaporation in a vacuum

Sources & evidence

ORD record
ord-812b457714bf4d519889d6c07984efde
Source dataset
uspto-grants-2009_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07638515B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes