2-(Ethoxymethylene)propanedinitrile → 1H-Benzimidazole-6-carbonitrile
反応式
[NH2:1][C:2]1[CH:3]=[C:4]([CH:7]=[CH:8][C:9]=1[NH2:10])[C:5]#[N:6].[CH2:11](OC=C(C#N)C#N)C>C(O)(C)C>[N:10]1[C:9]2[CH:8]=[CH:7][C:4]([C:5]#[N:6])=[CH:3][C:2]=2[NH:1][CH:11]=1参加物
4
実験手順
A mixture of 3,4-diaminobenzonitrile (2) (1.0 g) and (ethoxymethylene)malononitrile (1.4 g) was refluxed in 50 mL of isopropyl alcohol for 16 h. The mixture was concentrated in vacuo to provide the title compound, 3H-benzo[d]imidazole-5-carbonitrile (3).
後処理
- concentrationThe mixture was concentrated in vacuo
出典と根拠
- ORDレコード
- ord-d9aadab0f5414477931c8f7a1a189282
- 出典データセット
- uspto-grants-2011_02
- 特許番号
- US07884109B2
反応ノート
読み込み中…