3-[2-(dimethylamino)-4-pyridinyl]imidazo[1,2-a]pyridine-2-carbaldehyde 、
(S)-N-methyl-5,6,7,8-tetrahydroquinolin-8-amine 、 (8S)-N-methyl-N-{[3-(4-pyridinyl)imidazo[1,2-a]pyridin-2-yl]methyl}-5,6,7,8-tetrahydro-8-quinolinamine 以afforded 104 mg (87%) of (8S)-N-({3-[2-(dimethylamino)-4-pyridinyl]imidazo[1,2-a]pyridin-2-yl}methyl)-N-methyl-5,6,7,8-tetrahydro-8-quinolinamine as a peach-colored foam的产率得到(8S)-N-({3-[2-(dimethylamino)-4-pyridinyl]imidazo[1,2-a]pyridin-2-yl}methyl)-N-methyl-5,6,7,8-tetrahydro-8-quinolinamine