Metal-free regioselective CH chalcogenylation of coumarins/(hetero)arenes at ambient temperature

A novel, practical and metal-free approach for the regioselective selenation of coumarins employing (bis(trifluoroacetoxy)iodo)benzene (PIFA) at room temperature is presented. The developed method is suitable for a wide substrate scope and affords 3-selenyl coumarins in good to excellent yields with...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2020-02, Vol.56 (12), p.1847-185
Hauptverfasser:	Song, Zengqiang, Ding, Chaochao, Wang, Shaoli, Dai, Qian, Sheng, Yaoguang, Zheng, Zhilong, Liang, Guang
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