反应详情

11.9 g. (0.05 mol) of 3-phenyl-4-hydroxy-coumarin, 8.3 g. (0.06 mol) of anhydrous potassium carbonate and 200 ml. of methyl isobutyl ketone are placed in a dry reactor. The mixture is brought while stirring for 1 hour to 70° C. 0.5 g. of potassium iodide is then added, followed by dropwise addition of a solution of 8.8 g. (0.065 mol) of 2-diethylamino-1-chlorethane in 20 ml. of methyl isobutyl ketone.

1. additionfollowed by dropwise addition of a solution of 8.8 g