HRID1973730

反应详情

EQUATION

反应方程式

HRID 1973730 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Treatment of 3α-hydroxy-21-methylene-5α-pregnane-11,20-dione (240 mg) in acetone (15 ml) with thionicotinic acid (150 mg) for 4 hrs. in similar manner to that described in Example 27 gave title compound (220 mg) as a white foam [αD ] + 55.6° (c 1.01).