One-pot three-component synthesis of hydroxyacetylated imidazo1,2- a pyridines via visible-light-mediated halogen atom transfer

Key Points

• The aim is to synthesize hydroxyacetylated imidazo[1,2-a]pyridines using a novel method.
• Utilized iodine activated diazo esters for synthesis.
• Conducted reactions under visible light for halogen atom transfer.
• Employed air as an oxidant in a reaction free from external oxidants.
• Successfully synthesized hydroxyacetylated imidazo[1,2-a]pyridines.
• Demonstrated the efficiency of light-mediated reactions.
• Showed that oxygen in air can facilitate the process.