HRID918410

反应详情

EQUATION

反应方程式

HRID 918410 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

2

PROCEDURE

实验过程

A solution of 21 -chloro-11β,17-dihydroxy-16α-(2-oxopropoxy)pregna-1,4-diene-3,20-dione (10 mmoles) in 40 ml of dimethylformamide and 20 ml of pyridine is stirred at 0°C for 75 minutes with 10 ml of methanesulfonyl chloride. The mixture is poured into cold, dilute hydrochloric acid and extracted with chloroform. The chloroform solution is dried and evaporated to give the title compound.

WORKUP

后处理

  1. extractionextracted with chloroform
  2. dry with materialThe chloroform solution is dried
  3. customevaporated