Highly efficient reactions of 4-hydroxycoumarin with hypervalent iodine reagents under mild conditions are described, which give rise to 4-aryloxycoumarins in good to excellent yields.

中文翻译：

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通过4-羟基香豆素与高价碘试剂的一锅反应制得4-芳氧基香豆素的有效途径

描述了4-羟基香豆素与高价碘试剂在温和条件下的高效反应，该反应以良好至优异的产率产生了4-芳氧基香豆素。