m-Chloroperbenzoic acid → Ethanone, 1-[4-fluoro-2-(methylamino)phenyl]-2-(methylsulfinyl)-
反応式
ClC1C=C(C=CC=1)C(OO)=[O:6].[F:12][C:13]1[CH:18]=[CH:17][C:16]([C:19](=[O:23])[CH2:20][S:21][CH3:22])=[C:15]([NH:24][CH3:25])[CH:14]=1>ClCCl>[F:12][C:13]1[CH:18]=[CH:17][C:16]([C:19](=[O:23])[CH2:20][S:21]([CH3:22])=[O:6])=[C:15]([NH:24][CH3:25])[CH:14]=1参加物
4
実験手順
A solution of 3-chloroperoxybenzoic acid (3.49 g) in dichloromethane (80 ml) was added to a stirred solution of 1-(4-fluoro-2-methylaminophenyl)-2-(methylthio)ethanone (4.3 g), prepared in a similar manner to that described in Example 2, in dichloromethane (75 ml) under nitrogen over 15 minutes whilst maintaining the temperature below 25°. The mixture was stirred for a further 2 hours at ambient temperature. The solution was washed with saturated aqueous sodium hydrogen carbonate solution (3×50 ml) and evaporated in vacuo to give a solid product. Crystallisation from toluene gave 1-(4-fluoro-2-methylaminophenyl)-2-methylsulphinylethanone, m.p. 137°-138°.
後処理
- customprepared in a similar manner to that
- temperaturewhilst maintaining the temperature below 25°
- washThe solution was washed with saturated aqueous sodium hydrogen carbonate solution (3×50 ml)
- customevaporated in vacuo
- customto give a solid product
- customCrystallisation from toluene
出典と根拠
- ORDレコード
- ord-38fdd755e4344e539ef42e8d5798479f
- 出典データセット
- uspto-grants-1992_01
- 特許番号
- US05079264
反応ノート
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