Cyanoacetamide → Dpn 205-734
反応式
[C:1]([CH2:3][C:4]([NH2:6])=[O:5])#[N:2].[Na].CN(C)[CH:10]=[C:11]([C:15]1[CH:20]=[CH:19][C:18]([C:21]#[N:22])=[CH:17][CH:16]=1)[C:12](=O)[CH3:13]>C(O)C>[C:21]([C:18]1[CH:19]=[CH:20][C:15]([C:11]2[CH:10]=[C:3]([C:1]#[N:2])[C:4](=[O:5])[NH:6][C:12]=2[CH3:13])=[CH:16][CH:17]=1)#[N:22]参加物
5
実験手順
6.2 g of cyanacetamide are added to a freshly prepared solution of 1.14 g sodium in 200 ml of absolute ethanol. 10.6 g 4-dimethylamino-3-(4-cyanophenyl)-3-buten-2-one are added and the solution is stirred 5 hours at boiling temperature, whereby the sodium salt of the title compound soon begins to crystallize out. The mixture is allowed to cool, the crystalline product is filtered and washed with ethanol and ether (m.p. of the sodium salt>300°) (m.p. of the free form>300°).
出典と根拠
- ORDレコード
- ord-04f35d4ba1034a6c8a0255f24c217fb5
- 出典データセット
- uspto-grants-1985_07
- 特許番号
- US04530842
反応ノート
読み込み中…