反应详情

In a similar manner to Example 3.1 above, 3-(3,4-dimethoxyphenyl)-7-hydroxychromen-4-one (1.7 g) was reacted with acetic anhydride (10 ml) and pyridine (1.9 ml) to give 7-acetoxy-3-(3,4-dimethoxyphenyl)chromen-4-one as colourless prisms (1.44 g, 74%).