区域选择性
化学
金属
组合化学
香豆素
有机化学
催化作用
作者
Zengqiang Song,Chaochao Ding,Shaoli Wang,Qian Dai,Yaoguang Sheng,Zhilong Zheng,Guang Liang
摘要
A novel and practical method for the direct regioselective chalcogenylation of coumarins at the C3-postion and selenation of other (hetero)arenes has been achieved using PIFA as a promoter at room temperature.
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