108-24-7
乙酸酐
+
29942-64-1
Phosphonium, triphenyl-, 2-oxopropylide
→
~81%
1474-32-4
3-(triphenyl-λ5-phosphanylidene)pentane-2,4-dione
603-35-0
三苯基膦
123-54-6
乙酰丙酮
~58%