120-43-4
N-哌嗪甲酸乙酯
+
540-51-2
2-溴乙醇
→
~73%
14000-66-9
4-(2-羟基乙基)哌嗪-1-羧酸乙酯
103-76-4
1-(2-羟乙基)哌嗪
74877-64-8
ethyl α-methoxyvinyl carbonate
~68%
107-07-3
2-氯乙醇
64822-11-3
ethyl 4-(2-chloroethyl)piperazine-1-carboxylate