反応式
[C:1]([C:4]1[CH:9]=[N+:8]([O-:10])[C:7]([CH3:11])=[CH:6][N:5]=1)([OH:3])=[O:2].C(CN)O>CO>[CH2:1]([CH2:4][NH2:5])[OH:2].[C:1]([C:4]1[CH:9]=[N+:8]([O-:10])[C:7]([CH3:11])=[CH:6][N:5]=1)([OH:3])=[O:2]参加物
4
実験手順
2-Carboxy-5-methylpyrazine 4-oxide (2.5 g) was added to methanol (60 ml) and ethanolamine (1.1 ml). The mixture was refluxed for 20 minutes, then cooled and filtered to obtain 2-carboxy-5-methylpyrazine 4-oxide ethanolamine salt (2.1 g), m.p. 177°-180° C, after crystallisation from methanol.
後処理
- temperatureThe mixture was refluxed for 20 minutes
- temperaturecooled
- filtrationfiltered
出典と根拠
- ORDレコード
- ord-69e379b6fcd04fc388045f6b6382e596
- 出典データセット
- uspto-grants-1977_01
- 特許番号
- US04002750
関連ノート
読み込み中…