3-Aryl-4-hydroxycoumarins have been obtained in satisfactory yields and selectivity through a Rh(II)-mediated arylation of diazocoumarin. The utility of this approach is demonstrated by synthesis of the natural product derrusnin.

中文翻译：

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3-Aryl-4-羟基香豆素的铑卡宾路线：Derrusnin的合成

通过 Rh(II) 介导的重氮香豆素芳基化，以令人满意的产率和选择性获得了 3-Aryl-4-羟基香豆素。这种方法的效用通过天然产物derrusnin的合成得到证明。