HRID1196350

反应详情

EQUATION

反应方程式

HRID 1196350 的结构方程式

PROCEDURE

实验过程

The procedure of Example 5 was repeated except that 2.50 g (6.44 mmoles) of 7α-hydroxy-21,21-dimethoxy-20-methylpregna-1,4-dien-3-one was used in lieu of 3.00 g of 20-(5,5-dimethyl-1,3-dioxan-2-yl)-7α-hydroxypregna-1,4-dien-3-one to give 2.00 g of 21,21-dimethoxy-20-methylpregna-1,4,6-trien-3-one (yield: 84%).