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Qiuyun Li
Qiuyun Li

Public Documents 1
Modular Assembly of Ring-fluorinated Imidazo[1,2-a]pyridines Enabled by [3+3] Cycload...
Qiuyun Li
Tianyu Du

Qiuyun Li

and 9 more

November 20, 2024
Developing new methods for synthesizing compounds incorporating both Imidazo[1,2- a]pyridines and fluoro fragments is a required technology. Herein, an expedient [3 + 3] annulation method to synthesize ring-fluorinated imidazo[1,2- a]pyridines via two consecutive C-F substitutions from readily available 1C,3N-dinucleophiles and β-CF 3-1,3-enynes is described. This protocol shows several attractive characteristics, such as readily available and inexpensive substrates, a broad range of functional groups, step and atom economy, and mild reaction conditions without any transition-metal catalysts.

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