HRID1415022

反应详情

EQUATION

反应方程式

HRID 1415022 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Stir 13β-ethyl-17α-ethynyl-17β-hydroxy-gon-5(10)-en-3-one (0.1 g.) with a mixture of methanol (36 cc.), water (1.6 cc.) and concentrated hydrochloric acid (2.4 cc.) for 1 hour. Add water and extract the mixture with ether. Wash, dry and evaporate the ethereal solution and recrystallize the residue from ether-hexane to obtain the title compound, m.p. 203°-6° undepressed on admixture with authentic material. Infrared spectrum 3.05, 3.5, 6.05, 9.4 μ.

WORKUP

后处理

  1. extractionAdd water and extract the mixture with ether
  2. washWash
  3. customdry
  4. customevaporate the ethereal solution
  5. customrecrystallize the residue from ether-hexane