HRID1448021

反应详情

EQUATION

反应方程式

HRID 1448021 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

To the solution of 3α,6α-dihydroxy-5β-cholestan-24-one dimesylate prepared (a) above in dimethylformamide (10 ml) was added lithium chloride (100 mg) and the mixture was refluxed for 30 minutes. After cooling, water was added to the reaction mixture and the mixture was extracted with diethyl ether. The ether layer was washed with water, dried over magnesium sulfate and evaporated to give an oily product, 3-chlorocholest-5-en-24-one.

WORKUP

后处理

  1. temperaturethe mixture was refluxed for 30 minutes
  2. temperatureAfter cooling
  3. extractionthe mixture was extracted with diethyl ether
  4. washThe ether layer was washed with water
  5. dry with materialdried over magnesium sulfate
  6. customevaporated