3-[(2,3-Dimethoxy-phenyl)-(6-hydroxy-benzo[1,3]dioxol-5-yl)-methyl]-4-hydroxy-5H-furan-2-one 在
吡啶 、
potassium carbonate 作用下,
以
丙酮 为溶剂,
生成 Acetic acid 6-[(2,3-dimethoxy-phenyl)-(4-methoxy-2-oxo-2,5-dihydro-furan-3-yl)-methyl]-benzo[1,3]dioxol-5-yl ester