A Novel Approach for the Synthesis of 5‐Pyridylindolizine Derivatives <i>via</i> 2‐(2‐Pyridyl)pyridinium Ylides

Abstract

New indolizine derivatives were synthesized by an efficient one‐pot three‐component procedure starting from commercially available materials such as 2,2′‐dipyridyl, substituted bromoacetophenones, and electron‐poor alkynes in 1,2‐epoxybutane as reaction solvent and acid scavenger.