603-35-0
三苯基膦
+
93-91-4
1-苯基-1,3-丁二酮
→
~82%
1474-93-7
1-phenyl-2-(triphenyl-λ5-phosphanylidene)butane-1,3-dione
6710-62-9
苯丁炔酮
1817-57-8
4-苯基-3-丁炔-2-酮