HRID1650074

反应详情

EQUATION

反应方程式

HRID 1650074 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

17β-Cyano-9α,17α-dihydroxyandrost-4-en-3-one (I, EXAMPLE 85, 313 mg) is added to sulfuric acid (57%, 5 ml) at 2° and is stirred at 2°-5° for several hr and then overnight at 22°; solids formed. Water (10 ml) is added at 10°, the mixture stirred for 15 min, the solids collected and air dried to give the title compound, NMR (CDCl3 /DMSO-d6 ; 5/1) 5.7, 5.6, 1.4 and 0.9 δ.

WORKUP

后处理

  1. customovernight
  2. customat 22°
  3. customsolids formed
  4. stirringthe mixture stirred for 15 min
  5. customthe solids collected
  6. customair dried