How is 6,7-Dihydroimidazo[1,2-a]pyridin-8(5H)-one (CAS: 457949-09-6) typically synthesized?

6,7-Dihydroimidazo[1,2-a]pyridin-8(5H)-one is often synthesized via a multistep process involving the formation of an imidazo[1,2-a]pyridine ring followed by reduction of the N-oxide. Common reagents include sodium hydride for reduction steps and copper catalysts for the ring formation. The yield of the final product can be improved by optimizing reaction conditions and using appropriate solvents.