HRID1415038
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
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
- extractionextract with ether