77629-83-5
α-溴代对甲氧基苯乙酸乙酯
+
107-15-3
乙二胺
→
~62%
85607-62-1
3-(4-methoxyphenyl)piperazin-2-one
85606-89-9
3-(4-methoxy-phenyl)-5,6-dihydro-1H-pyrazin-2-one