N-bromobutanimide → 4-Bromomethyl-3-fluorobiphenyl
反応式
[F:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH:5]=[CH:6][C:7]=1[CH3:8].[Br:15]N1C(=O)CCC1=O>C(Cl)(Cl)(Cl)Cl>[Br:15][CH2:8][C:7]1[CH:6]=[CH:5][C:4]([C:9]2[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=2)=[CH:3][C:2]=1[F:1]参加物
4
実験手順
A mixture of 6.00 g of 3-fluoro-4-methylbiphenyl, 5.73 g of N-bromosuccinimide, 0.075 g of 2,2′-azobisisobutylonitrile and 120 ml of carbon tetrachloride was heat-refluxed for 5 hours. The reaction solution was washed with water, and the organic layer was concentrated. The resulting residue was purified through silica-gel column chromatography (eluent: a mixture of hexane and ethyl acetate at a ratio of 9:1) to give 8.30 g of oily 4-bromomethyl-3-fluorobiphenyl.
後処理
- temperaturewas heat-refluxed for 5 hours
- washThe reaction solution was washed with water
- concentrationthe organic layer was concentrated
- customThe resulting residue was purified through silica-gel column chromatography (eluent
- additiona mixture of hexane and ethyl acetate at a ratio of 9:1)
出典と根拠
- ORDレコード
- ord-c533b2c46da14fabb993b113d157886e
- 出典データセット
- uspto-grants-2002_03
- 特許番号
- US06352985B1
反応ノート
読み込み中…