HRID1415038

反应详情

EQUATION

反应方程式

HRID 1415038 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Stir dl-13-ethyl-3-methoxy-6-methylgona-2,5(10) -dien-17-one (3.6 g) in dimethylacetamide (35 cc) in a stream of acetylene for one-half hour. Add lithium acetylide-ethylenediamine (2.7 g) and stir for 4 hours. Pour into ice water, extract with ether and isolate the dl-13-ethyl-3-methoxy-17α-ethynyl-17β-hydroxy-6-methylgona-2,5(10)-diene as a gum (3.5 g), λmax. NaCl 2.90 μ, 3.05 μ, 5.90 μ, 6.03 μ.

WORKUP

后处理

  1. extractionextract with ether