(3-{6-[[2-(dimethylamino)ethyl](methyl)amino]-3-pyridinyl}imidazo[1,2-a]pyridin-2-yl)methanol 、
3-[6-(4-methyl-1-piperazinyl)-3-pyridinyl]imidazo[1,2-a]pyridine-2-carbaldehyde 在
3-{6-[[2-(dimethylamino)ethyl]methyl)amino]-3-pyridinyl 作用下,
以afforded 47 mg (87%) of 3-{6-[[2-(dimethylamino)ethyl]methyl)amino]-3-pyridinyl}imidazo[1,2-a]pyridine-2-carbaldehyde as a yellow foam的产率得到咪唑[1,2-A]吡啶-2-甲醛