3,4-Diacetoxy-benzoic acid 3-[(4-hydroxy-2-oxo-2H-chromen-3-yl)-(4-hydroxy-phenyl)-methyl]-2-oxo-2H-chromen-4-yl ester 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以75%的产率得到[3-[(4-Hydroxy-2-oxo-chromen-3-yl)-(4-hydroxyphenyl)methyl]-2-oxo-chromen-4-yl] 3,4-dihydroxybenzoate