2468-55-5
5-碘-1-戊炔
+
123-54-6
乙酰丙酮
→
~53%
88459-71-6
3-pent-4-ynylpentane-2,4-dione
3168-90-9
1-(2-甲基-1-环戊烯基)乙酮
88459-74-9
1-(1-acetyl-2-methylidenecyclopentyl)ethanone