3282-32-4
2-二氮杂-1-苯乙酮
+
55991-70-3
5-(4-bromophenyl)furan-2,3-dione
→
~72%
749923-92-0
5-(4-bromophenyl)-2-diazonio-3,5-dioxo-1-phenylpent-1-en-1-olate