Copper‐Catalyzed One‐Pot Synthesis of Dibenzofurans, Xanthenes, and Xanthones from Cyclic Diphenyl Iodoniums
Daqian ZhuSchool of pharmacy Guangdong Pharmaceutical University 280 Waihuan East Road 510006 Guangzhou ChinaMin LiCollaborative Innovation Center for Cancer Medicine Changsha Medical University 1501 Leifeng Road 410219 Changsha ChinaZhouming WuState Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University, Cancer Center 651 Dongfeng East Road 510060 Guangzhou ChinaYongliang DuState Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University, Cancer Center 651 Dongfeng East Road 510060 Guangzhou ChinaBingling LuoState Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University, Cancer Center 651 Dongfeng East Road 510060 Guangzhou ChinaPeng HuangState Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University, Cancer Center 651 Dongfeng East Road 510060 Guangzhou ChinaShijun WenState Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University, Cancer Center 651 Dongfeng East Road 510060 Guangzhou China
2019en
ABI
Аннотация
Oxygenation of cyclic diphenyl iodoniums (CDPIs) with varied medium‐ring sizes has been fully investigated. This practical copper‐catalyzed tandem reaction of CDPIs with water as the oxygen source enables the construction of derivatised dibenzofurans and xanthenes at moderate to good yields. Moreover, structurally important xanthones are also successfully accessed under the oxygenation conditions with additional TEMPO.
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