HCID 13502856、化合物 → HCID 13502857、化合物
反応式
[Cl:1][C:2]1[N:7]=[C:6]([NH:8]C=O)[C:5]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:4][C:3]=1[C:16]1[CH:21]=[CH:20][C:19]([Cl:22])=[CH:18][CH:17]=1>C(O)C.Cl>[NH2:8][C:6]1[C:5]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:4][C:3]([C:16]2[CH:21]=[CH:20][C:19]([Cl:22])=[CH:18][CH:17]=2)=[C:2]([Cl:1])[N:7]=1参加物
4
実験手順
6-Chloro-5-(4-chlorophenyl)-2-formamido-3-pyridinecarboxylic acid, ethyl ester (0.5 gram) was partially dissolved in 50 ml ethanol and treated with about 5-6 drops concentrated HCl. The reaction mixture was refluxed for approximately 3 hours, and upon cooling, a solid precipitate was collected, yield 350 mg, m.p. 195°-198° C.
後処理
- temperatureThe reaction mixture was refluxed for approximately 3 hours
- temperatureupon cooling
- customa solid precipitate was collected
出典と根拠
- ORDレコード
- ord-4fbd020b503f4be483ad8ff7103c3416
- 出典データセット
- uspto-grants-1985_04
- 特許番号
- US04508722
反応ノート
読み込み中…