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

HRID 362448

반응식

HRID 362448 반응식
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

참가 물질

4

반응물 2

HCID 8868Ethyl AcetoacetateHCID 54634014-Nitrophenylhydrazine hydrochloride

생성물 1

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

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

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.

후처리

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

출처 및 근거

ORD 기록
ord-9708b4ea09704412845a368f792b6756
출처 데이터셋
uspto-grants-1999_02
특허 번호
US05869516

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