反应详情

25 ml of the mixture of formic acid and triethylamine prepared as described in Example 1 were added to a mixture of 4.8 g (0.025 mol) of 2-phenyl-1,3-dioxane-4,6-dione (m.p.: 148° C.) and 4.15 g (0.025 mol) of veratraldehyde. The reaction was carried out according to Example 1.