反应详情

A mixture containing 31,6 g of (Z)-1,2-diphenyl-1-(4-hydroxyphenyl)-1-buten-4-ol, 93,9 g of dibromoethane, 20,7 g of anhydrous potassium carbonate and 250 ml of methyl ethyl ketone is refluxed for 24 h. The inorganic salts are removed by filtration followed by evaporating the solvent and recrystallizing frommethanol. The yield is 17,3 g (41%) and m.p. 133°-7° C.

1. temperatureis refluxed for 24 h
2. customThe inorganic salts are removed by filtration
3. customby evaporating the solvent
4. customrecrystallizing frommethanol