Benzothiazole → 2-[benzothiazol-2(3H)-ylidene]-2-(pyrimidin-2-yl)acetamide
反応式
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[CH:2]1.[N:10]1[CH:15]=[CH:14][CH:13]=[N:12][C:11]=1[CH2:16][C:17]#[N:18].[N:19]1[CH:24]=[CH:23][CH:22]=[N:21][C:20]=1[CH2:25][C:26]([NH2:28])=[O:27].[H-].[Na+]>O1CCCC1>[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[NH:3][C:2]1=[C:16]([C:11]1[N:12]=[CH:13][CH:14]=[CH:15][N:10]=1)[C:17]#[N:18].[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[NH:3][C:2]1=[C:25]([C:20]1[N:21]=[CH:22][CH:23]=[CH:24][N:19]=1)[C:26]([NH2:28])=[O:27]参加物
7
実験手順
In this synthesis, the benzothiazole 10 [L is a leaving group] is coupled with a 2-(pyrimidin-2-yl)acetonitrile 11 or 2-(pyrimidin-2-yl)acetamide 12 in the presence of a strong base, such as sodium hydride, in an aprotic polar solvent, such as tetrahydrofuran, to give a 2-[benzothiazol-2(3H)-ylidene]-2-(pyrimidin-2-yl)acetonitrile 6 or 2-[benzothiazol-2(3H)-ylidene]-2-(pyrimidin-2-yl)acetamide 8. If the compound of formula 6 has been prepared, it is then hydrolyzed to a compound of formula 8, as in Reaction Scheme 1.
後処理
- customIn this synthesis
出典と根拠
- ORDレコード
- ord-9493443541344b6fb10ea041349d7d40
- 出典データセット
- uspto-grants-2012_03
- 特許番号
- US08129396B2
反応ノート
読み込み中…