Ethyl Acetoacetate → 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-nitrophenyl)-

HRID 362448

反応式

HRID 362448 の反応式
Cl.[N+:2]([C:5]1[CH:10]=[CH:9][C:8]([NH:11][NH2:12])=[CH:7][CH:6]=1)([O-:4])=[O:3].[C:13](OCC)(=[O:18])[CH2:14][C:15]([CH3:17])=O>C(O)C>[CH3:17][C:15]1[CH2:14][C:13](=[O:18])[N:11]([C:8]2[CH:7]=[CH:6][C:5]([N+:2]([O-:4])=[O:3])=[CH:10][CH:9]=2)[N:12]=1

参加物

4

反応物 2

HCID 8868Ethyl AcetoacetateHCID 54634014-Nitrophenylhydrazine hydrochloride

生成物 1

HCID 808163H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-nitrophenyl)-

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

1.63 g of p-nitrophenylhydrazine hydrochloride and 1.26 g of ethyl acetoacetate are heated under reflux in 30 ml of ethanol for 45 min. The mixture is concentrated somewhat in vacuo. The crystals which have separated out are then filtered off with suction.

後処理

  1. concentrationThe mixture is concentrated somewhat in vacuo
  2. customThe crystals which have separated out
  3. filtrationare then filtered off with suction

出典と根拠

ORDレコード
ord-9708b4ea09704412845a368f792b6756
出典データセット
uspto-grants-1999_02
特許番号
US05869516

関連ノート

読み込み中…