反応式
[Cl:1][C:2]1[C:10]([N+:11]([O-:13])=[O:12])=[C:9]([Cl:14])[C:8]([F:15])=[CH:7][C:3]=1[C:4](O)=[O:5].S(Cl)([Cl:18])=O>CN(C)C=O>[Cl:1][C:2]1[C:10]([N+:11]([O-:13])=[O:12])=[C:9]([Cl:14])[C:8]([F:15])=[CH:7][C:3]=1[C:4]([Cl:18])=[O:5]参加物
4
実験手順
254 g (1 mol) of 2,4-dichloro-5-fluoro-3-nitro-benzoic acid are refluxed in 700 ml of thionyl chloride with addition of 3 drops of dimethylformamide until the gas evolution ceases. Excess thionyl chloride is removed by distillation, and the residue is fractionated in vacuo.
後処理
- customExcess thionyl chloride is removed by distillation
出典と根拠
- ORDレコード
- ord-6e9702b552f34a4487227e7863837c8d
- 出典データセット
- uspto-grants-1991_02
- 特許番号
- US04990661
関連ノート
読み込み中…