HRID1587613

反应详情

EQUATION

反应方程式

HRID 1587613 的结构方程式

PROCEDURE

实验过程

The procedure of Example 1 was repeated except that 110 mg of 1α,3β-bis(t-butyldimethylsilyloxy)pregna-5,7-diene-20-carbaldehyde was used in lieu of 100 mg of 1α,3β-bis(methoxycarbonyloxy)pregna-5,7-diene-20-carbaldehyde to give 92 mg of 1α,3β-bis(t-butyldimethylsilyloxy)-20-methylpregna-5,7-dien-21-ol.