Water → HCID 22262275, compound
Reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8](=[O:15])[CH2:9][C:10]([O:12][CH2:13][CH3:14])=[O:11])=[CH:4][CH:3]=1.[H-].[Na+].Cl[CH2:19][C:20]1[CH:25]=[CH:24][C:23]([O:26][C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)=[CH:22][CH:21]=1.O>COCCOC>[F:1][C:2]1[CH:3]=[CH:4][C:5]([C:8](=[O:15])[CH:9]([CH2:19][C:20]2[CH:25]=[CH:24][C:23]([O:26][C:27]3[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=3)=[CH:22][CH:21]=2)[C:10]([O:12][CH2:13][CH3:14])=[O:11])=[CH:6][CH:7]=1Participants
Procedure
To a solution of ethyl 3-(4-fluorophenyl)-3-oxopropionate (6.49 g, 30.9 mmol) in 1,2-dimethoxyethane (50 ml) was added sodium hydride (60% in oil, 1.23 g, 30.9 mmol) under ice-cooling and the mixture was stirred at room temperature for 30 min. To the reaction solution was dropwise added a solution of 1-(chloromethyl)-4-(phenyloxy)benzene (8.1 g, 37.0 mmol) in 1,2-dimethoxyethane (50 ml) and the reaction solution was heated under reflux overnight. The reaction solution was poured into water (200 ml) and extracted with ethyl acetate (200 ml×2). The extract was washed with water and saturated brine, dried over anhydrous magnesium sulfate and evaporated under reduced pressure. The residue was purified by silica gel column chromatography (toluene:hexane=1:1-toluene) to give ethyl 3-(4-fluorophenyl)-3-oxo-2-((4-(phenyloxy)phenyl)methyl)propionate (7.76 g, crude, 64%).
Workup
- temperaturecooling
- temperaturethe reaction solution was heated
- temperatureunder reflux overnight
- extractionextracted with ethyl acetate (200 ml×2)
- washThe extract was washed with water and saturated brine
- dry with materialdried over anhydrous magnesium sulfate
- customevaporated under reduced pressure
- customThe residue was purified by silica gel column chromatography (toluene:hexane=1:1-toluene)
Sources & evidence
- ORD record
- ord-758f8dccefcf4bd4acade71c84a20c8d
- Source dataset
- uspto-grants-2006_01
- Patent number
- US06982348B2
Reaction notes
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