{3-[6-(1-pyrrolidinyl)-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 以afforded 45 mg (92%) of 3-[6-(1-pyrrolidinyl)-3-pyridinyl]imidazo[1,2-a]pyridine-2-carbaldehyde as a yellow solid的产率得到3-[6-(1-pyrrolidinyl)-3-pyridinyl]imidazo[1,2-a]pyridine-2-carbaldehyde