3-ethoxy-6-methylpyridine-2-carboxylic acid 、
3-chloro-8-methyl-2-[(2S)-2-piperidinylmethyl]imidazo[1,2-a]pyridine 在
crude material 作用下,
以to afford 3-chloro-2-[((2S)-1-{[3-(ethyloxy)-6-methyl-2-pyridinyl]carbonyl}-2-piperidinyl)methyl]-8-methylimidazo[1,2-a]pyridine free base of the title compound E17 (0.012 g) like brown solid的产率得到3-chloro-2-[((2S)-1-{[3-(ethyloxy)-6-methyl-2-pyridinyl]carbonyl}-2-piperidinyl)methyl]-8-methylimidazo[1,2-a]pyridine