Substrate selective synthesis of pyrazolo[1,5-a]pyridines through [3 + 2] cycloaddition of N-aminopyridines and β-nitro styrenes

• DOI: 10.1039/c5ra06707c
• Publication Date: 2015-04-23T08:03:46Z
• Authors: Chitrakar Ravi; Darapaneni Chandr...; N. Naresh Kumar R...; Subbarayappa Adim...
• Keywords: 01 natural sciences; 0104 chemical sciences

Synthesis of 2 or 3-(hetero)aryl pyrazolo[1,5-a]pyridines through [3 + 2] cycloaddition ofN-aminopyridine with β-nitrostyrenes followed byin situdenitration under metal-free and mild conditions are described.