huagongshe.com
HRID362448

反应详情

EQUATION

反应方程式

HRID 362448 的结构方程式

REACTANTS

反应物

2
结构：CCOC(=O)CC(C)=O
HCID8868

Ethyl acetoacetate

C6H10O3

结构：Cl.NNc1ccc([N+](=O)[O-])cc1
HCID5463401

Hydrazine, (4-nitrophenyl)-, hydrochloride (1:1)

C6H8ClN3O2

PRODUCTS

生成物

1
结构：CC1=NN(c2ccc([N+](=O)[O-])cc2)C(=O)C1
HCID80816

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

C10H9N3O3

AUXILIARIES

试剂、催化剂与溶剂

1
结构：CCO
溶剂HCID702

Ethanol

C2H6O

PROCEDURE

实验过程

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.

WORKUP

后处理

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