109-04-6
邻溴吡啶
+
75336-86-6
(R)-(-)-2-甲基哌嗪
→
~89%
474417-44-2
(3R)-3-methyl-1-pyridin-2-ylpiperazine
109-09-1
2-氯吡啶
~40%
170033-47-3
(R)-1-N-Boc-2-甲基哌嗪