HRID1973740
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 3α-hydroxy-5α-pregnane-11,20-dione (1 g) in pyridine (ca 5 ml) was treated with acetic anhydride (2.5 ml) and allowed to stand overnight. The reaction mixture was poured into water and the solid collected by filtration and dried to give the title compound m.p. 150°-151°.
WORKUP
后处理
- filtrationthe solid collected by filtration
- customdried