Simple and green synthesis of 3‐acyl‐pyrazolo[1,5‐a]pyridines: [3+2] through cycloaddition of N‐aminopyridines on enaminones
作者:Sébastien Redon、Patrice Vanelle
DOI:10.1002/jhet.4851
日期:2024.7
A practicable method is described for the synthesis of 3-acyl-pyrazolo[1,5-a]pyridines from N-aminopyridines and easily available enaminones via a [3+2] cycloaddition. The reactions proceed well with a broad scope, without using additive (base or oxidant).