Water → HCID 20301865、化合物
反応式
[Cl:1][C:2]1[C:8](Cl)=[C:7]([N+:10]([O-:12])=[O:11])[CH:6]=[CH:5][C:3]=1[NH2:4].[CH3:13][O-:14].[Na+].O>CO>[Cl:1][C:2]1[C:8]([O:14][CH3:13])=[C:7]([N+:10]([O-:12])=[O:11])[CH:6]=[CH:5][C:3]=1[NH2:4]参加物
5
実験手順
A solution of 2,3-dichloro-4-nitroaniline (25 g) and sodium methoxide (25 g) in methanol (250 ml) is stirred and heated at reflux under a nitrogen atmosphere for 5.5 hours. The reaction mixture is poured into water (1.5 l), the precipitated yellow solid is collected and dried. This material is purified by chromatography on silica gel using 1:1 hexane/ether eluent. The eluents are collected and evaporated to dryness to afford 13 g of title compound, m.p. 118°-123° C.
後処理
- temperatureheated
- temperatureat reflux under a nitrogen atmosphere for 5.5 hours
- customthe precipitated yellow solid is collected
- customdried
- customThis material is purified by chromatography on silica gel using 1:1 hexane/ether eluent
- customThe eluents are collected
- customevaporated to dryness
出典と根拠
- ORDレコード
- ord-1806ebde1e544dfab62a7370e1df1492
- 出典データセット
- uspto-grants-1979_01
- 特許番号
- US04137310
反応ノート
読み込み中…