HRID918410
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
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
- extractionextracted with chloroform
- dry with materialThe chloroform solution is dried
- customevaporated