反応式
[NH2:1][C:2]1[CH:6]=[CH:5][S:4][C:3]=1[C:7]([O:9]C)=O.[C:11](N)(=[NH:14])[CH2:12][CH3:13]>>[CH2:12]([C:11]1[N:14]=[C:7]([OH:9])[C:3]2[S:4][CH:5]=[CH:6][C:2]=2[N:1]=1)[CH3:13]参加物
3
反応条件
- 温度
- 60 °C
実験手順
Methyl 3-amino-2-thiophenecarboxylate (4.67 g,) and propionamidine (3 g,) were combined and heated in an oil both for 1/2 hour at 60° C.; 1/2 hour at 80° C.; 1/2 hour at 100° C. and finally for 4 hours at 120° C. The mixture was cooled, triturated with ether, filtered and washed with ether to obtain 0.67 g of the product; m.p. 233°-237° C.
後処理
- custom1/2 hour
- customat 80° C.
- temperatureThe mixture was cooled
- customtriturated with ether
- filtrationfiltered
- washwashed with ether
出典と根拠
- ORDレコード
- ord-7f65ec5769b040989312ff30ea907ac2
- 出典データセット
- uspto-grants-1989_12
- 特許番号
- US04889856
関連ノート
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