1-(5-bromo-3-methoxylpyridin-2-yl)-4-methylpiperazine 、
(S)-4-N-叔丁氧羰基-2-甲基哌嗪 、
4-(2-((2-chloropyridin-4-yl)oxy)ethyl)morpholine 以the title compound was obtained (36% yield)的产率得到(S)-tert-butyl 3-methyl-4-(4-(2-morpholinoethoxy)pyridin-2-yl)piperazine-1-carboxylate