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Divergent C-H activation synthesis of chalcones, quinolones and indoles.
Chemical Communications ( IF 5.996 ) Pub Date : 2020-01-14 , DOI: 10.1039/c9cc08926h
Yuesen Shi,Huimin Xing,Tianle Huang,Xuexin Liu,Jian Chen,Xiaoyu Guo,Guo-Bo Li,Yong Wu

We here report a condition-controlled divergent synthesis strategy of chalcones, quinolones and indoles, which was achieved via a C-H activation reaction of N-nitrosoanilines and cyclopropenones. Variations of Ag salts are observed to be crucial for divergently constructing the three distinct chemical scaffolds. A Rh(i)- and Rh(iii)-cocatalyzed decarbonylation/C-H activation/[3+2] annulation cascade reaction was developed for the synthesis of indoles. These methodologies are characterized by mild reaction conditions, high functional group tolerance, and amenability to gram-scale synthesis, providing a reference for future derivation of new chemical scaffolds by C-H activation.
更新日期:2020-01-14

 

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