486-25-9
9-芴酮
+
1034-49-7
溴甲基三苯基溴化磷
→
~96%
4612-64-0
9-(bromomethylidene)fluorene
39598-55-5
(bromomethylene)triphenylphosphomium bromide
~81%
123333-50-6
127-09-3
无水醋酸钠
64-19-7
乙酸
18083-75-5
4425-73-4
9-亚芴基乙酸