N-Cyanoacetylethylcarbamate → ethyl N-(2-cyano-3-ethoxyacryloyl)carbamate

HRID 544193

反応式

HRID 544193 の反応式
[CH2:1]([O:3][C:4]([NH:6][C:7](=[O:11])[CH2:8][C:9]#[N:10])=[O:5])[CH3:2].[CH2:12]([O:14][CH:15](OCC)OCC)[CH3:13]>C(OC(=O)C)(=O)C>[C:9]([C:8](=[CH:15][O:14][CH2:12][CH3:13])[C:7]([NH:6][C:4]([O:3][CH2:1][CH3:2])=[O:5])=[O:11])#[N:10]

参加物

4

実験手順

A mixture of N-ethoxycarbonylcyanoacetamide (42 g), triethylorthoformate (40 g) and acetic anhydride (100 ml) is heated at reflux for one hour. The reaction is allowed to stand until cool and then is filtered, washing with ether, to yield α-cyano-β-ethoxy-N-ethoxycarbonylacrylamide.

後処理

  1. temperatureis heated
  2. temperatureat reflux for one hour
  3. temperatureuntil cool
  4. filtrationis filtered
  5. washwashing with ether

出典と根拠

ORDレコード
ord-5c80c8f8c9c545f4b671993dcdcb6e77
出典データセット
uspto-grants-1984_05
特許番号
US04448961

関連ノート

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