Dimethylamine → 5-Bromo-4-(dimethylamino)-2-pyridinemethanol
反応式
[CH3:1][NH:2][CH3:3].N1CCOCC1.Cl[C:11]1[C:16]([Br:17])=[CH:15][N:14]=[C:13]([CH2:18][OH:19])[CH:12]=1.ClC1C(CO)=NC=CC=1Cl>C(O)C>[CH3:1][N:2]([CH3:3])[C:11]1[C:16]([Br:17])=[CH:15][N:14]=[C:13]([CH2:18][OH:19])[CH:12]=1参加物
6
実験手順
Substituting 33% w/w dimethylamine in ethanol (15 ml) for morpholine and 4-chloro-5-bromo-2-hydroxymethylpyridine (5 g) for 3,4-dichloro-2-hydroxymethylpyridine and using corresponding molar proportions of the other reagents in the method of Example 3D gave after chromatography (silica, chloroform:methanol, 98:2) 4-dimethylamino-5-bromo-2-hydroxymethylpyridine, 3.62 g, as an oil.
出典と根拠
- ORDレコード
- ord-8bf392fa9be344bf8e1bda0a59135b1c
- 出典データセット
- uspto-grants-1993_10
- 特許番号
- US05250527
反応ノート
読み込み中…