HRID236276

反应详情

EQUATION

反应方程式

HRID 236276 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

A mixture of 2.64 g of 4-[5-(1-imidazolylmethyl)-thien-2-yl]-4-oxobutyric acid, 1.12 g phenylhydrazine, 40 ml water and 40 ml ethanol was stirred for 10 hours under reflux. After cooling the mixture was evaporated, the residue shaken with chloroform/dilute caustic soda solution, the chloroform phase washed with water, dried and evaporated. The residue was recrystallized from diisopropyl ether/ethyl acetate.

WORKUP

后处理

  1. temperatureunder reflux
  2. temperatureAfter cooling the mixture
  3. customwas evaporated
  4. stirringthe residue shaken with chloroform/dilute caustic soda solution
  5. washthe chloroform phase washed with water
  6. customdried
  7. customevaporated
  8. customThe residue was recrystallized from diisopropyl ether/ethyl acetate