110-85-0
哌嗪
+
53939-30-3
5-溴-2-氯吡啶
→
~79%
73406-97-0
1-(5-溴吡啶)-2-哌嗪
624-28-2
2,5-二溴吡啶
60-29-7
乙醚
57260-71-6
1-Boc-哌嗪