HRID34723

反应详情

EQUATION

反应方程式

HRID 34723 的结构方程式

PROCEDURE

实验过程

The process of claim 9 which additionally comprises reacting (VI) with 2,3-dihydropyran and pyridinium tosylate to produce (VII) 21-tetrahydropyranyl-16α-cyano-11β-hydroxy-3,20-dioxo-1,4-pregnadiene.