HRID1077192

反应详情

EQUATION

反应方程式

HRID 1077192 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

2

PROCEDURE

实验过程

Add decanoyl chloride (1.9 g.) to 13β-ethyl-17β-hydroxy-gon-4-en-3-one (1.3 g.) in pyridine (12.5 cc.) and allow the mixture to stand at room temperature overnight. Pour the mixture in 2N hydrochloric acid and extract with ether. Wash, dry and evaporate the extracts and recrystallize the residue from benzene-hexane to give the title compound (1.0 g.), m.p. 97°-97.5°; ultraviolet absorption peak at 239 mμ (ε16,500); infrared absorption peaks at 5.74; 5.99, 6.17 μ.

WORKUP

后处理

  1. extractionextract with ether
  2. washWash
  3. customdry
  4. customevaporate the extracts
  5. customrecrystallize the residue from benzene-hexane