Toluene → 3,5-Diamino-4-chlorobenzonitrile
反応式
[Cl:1][C:2]1[C:9]([N+:10]([O-])=O)=[CH:8][C:5]([C:6]#[N:7])=[CH:4][C:3]=1[N+:13]([O-])=O.P(Cl)(Cl)(Cl)=O.C1(C)C=CC=CC=1>[Fe].C1(C)C=CC=CC=1.O>[Cl:1][C:2]1[C:9]([NH2:10])=[CH:8][C:5]([C:6]#[N:7])=[CH:4][C:3]=1[NH2:13]参加物
6
実験手順
By reaction with ammonia at about 0° C. to about 20° C., 4-chloro-3,5-dinitrobenzoic acid amide is obtained which is converted into 4-chloro-3,5-dinitrobenzonitrile by reaction with phosphorus oxychloride in boiling toluene. By reduction in boiling toluene/water with iron, 4-chloro-3,5-diaminobenzonitrile (melting point about 172° C.) is obtained in about 80% yield.
出典と根拠
- ORDレコード
- ord-cec76e1ecaf146878ef768680f26cebf
- 出典データセット
- uspto-grants-1979_05
- 特許番号
- US04152510
反応ノート
読み込み中…