One-step Synthesis of Cyanated Pyrazolo[1, 5-a]pyridines Utilizing N-Aminopyridines as 1,3-Dipole and Nitrogen Source

Xianliang Shi, Lin Ye,Jiaohang Wei,Limin Zhao, Peijun Guo,Hua Cao,Xiang Liu

Organic chemistry frontiers（2023）

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摘要

By utilizing the dual reactivity function of N -aminopyridinium ylides, we developed a direct [3 + 2]-cycloaddition of N -aminopyridinium ylides and ynals to build the pyrazolo[1,5- a ]pyridine core while introducing a cyano group.

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关键词

synthesis,one-step,n-aminopyridines

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