3-[6-(dimethylamino)-3-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 a 42 mg (91%) of (8S)-N-({3-[6-(dimethylamino)-3-pyridinyl]imidazo[1,2-a]pyridin-2-yl}methyl)-N-methyl-5,6,7,8-tetrahydro-8-quinolinamine as a yellow oil的产率得到(8S)-N-({3-[6-(dimethylamino)-3-pyridinyl]imidazo[1,2-a]pyridin-2-yl}methyl)-N-methyl-5,6,7,8-tetrahydro-8-quinolinamine