254892-87-0
3-(4-bromophenyl)-2,2-dichlorocyclobutanone
→
~52%
254892-91-6
3-(4-溴苯基)环丁烷酮
2039-82-9
4-溴苯乙烯
+
127-19-5
N,N-二甲基乙酰胺