Sodium Hydroxide → 4-(2-Pyridyl)-4-oxo-2-butenoic acid
反応式
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[C:7](=[O:14])[CH:8]=[CH:9][C:10]([O:12]C)=[O:11].[OH-].[Na+]>C(Cl)(Cl)Cl.O>[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[C:7](=[O:14])[CH:8]=[CH:9][C:10]([OH:12])=[O:11]参加物
5
実験手順
A mixture of 15 g of 4-(2-pyridyl)-4-oxo-2-butenoic acid, methyl ester in chloroform (50 ml) is stirred with 3.14 g of sodium hydroxide in 50 ml of water for 5 hours at room temperature. The aqueous layer is separated, washed with chloroform and acidified with 4.71 g of acetic acid, yielding the title compound.
後処理
- customThe aqueous layer is separated
- washwashed with chloroform
出典と根拠
- ORDレコード
- ord-aa0ab47e1815402481c8ae032491d1c9
- 出典データセット
- uspto-grants-1981_03
- 特許番号
- US04254267
反応ノート
読み込み中…