Nitric Acid → HCID 19792129、化合物
反応式
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([NH:12][C:13](=[O:18])[CH2:14][CH2:15][CH2:16][CH3:17])=[C:6]([CH:11]=1)[C:7]([O:9][CH3:10])=[O:8].[N+:19]([O-])([OH:21])=[O:20]>C(OC(=O)C)(=O)C>[Cl:1][C:2]1[CH:3]=[C:4]([N+:19]([O-:21])=[O:20])[C:5]([NH:12][C:13](=[O:18])[CH2:14][CH2:15][CH2:16][CH3:17])=[C:6]([CH:11]=1)[C:7]([O:9][CH3:10])=[O:8]参加物
4
実験手順
To a solution of methyl 5-chloro-2-valerylaminobenzoate (13.4 g) in acetic anhydride (10 ml) was added dropwise, while stirring under ice-cooling, fuming nitric acid. The mixture was stirred for one hour at room temperature, then there was added ice water. The mixture was allowed to stand to give crystals. Recrystallization from isopropyl ether afforded pale yellow crystals (9.5 g, 61%), m.p. 84-85° C.
後処理
- temperaturecooling
- stirringThe mixture was stirred for one hour at room temperature
- customto give crystals
- customRecrystallization from isopropyl ether afforded pale yellow crystals (9.5 g, 61%), m.p. 84-85° C.
出典と根拠
- ORDレコード
- ord-d6ae6d71e9d241edbda47ca09678da74
- 出典データセット
- uspto-grants-1993_10
- 特許番号
- US05250554
反応ノート
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