对溴苯乙烯 、
5-chloro-3-methyl-6-phenyl-2(H)-1,4-oxazin-2-one 在
2,6-二叔丁基-4-甲基苯酚 作用下,
反应 48.0h,
生成 8-(4-bromo-phenyl)-6-chloro-4-methyl-1-phenyl-2-oxa-5-azabicyclo[2.2.2]oct-5-en-3-one 、 8-(4-bromo-phenyl)-6-chloro-4-methyl-1-phenyl-2-oxa-5-azabicyclo[2.2.2]oct-5-en-3-one