HRID1196393

反应详情

EQUATION

反应方程式

HRID 1196393 的结构方程式

PROCEDURE

实验过程

The reaction and workup procedures of Example 156 were repeated except that 100 mg of 20-(5,5-dimethyl-1,3-dioxan-2-yl)-3β-(methoxycarbonyl)oxypregna-5,7-dien-1α-ol was used in lieu of 100 mg of 20-(5,5-dimethyl-1,3-dioxan-2-yl)-1α,3β-bis(methoxycarbonyloxy)pregna-5,7-diene to give 55 mg of 3β-hydroxy-1α-(methoxycarbonyl)oxypregna-5,7-diene-20-carbaldehyde showing the following physical properties.

WORKUP

后处理

  1. customThe reaction and workup procedures of Example 156