CpRu(PPh3)2I generated in situ by mixing CpRu(PPh3)2Cl and methyl iodide catalyzed the [2+2] cycloaddition of norbornene (or norbornadiene) and disubtituted alkynes to afford functionalized cyclobutenes.
将 CpRu(PPh3)2Cl 与
碘甲烷混合后在原位生成的 CpRu(PPh3)2I 催化了
降冰片烯(或降
冰片二烯)与二亚基炔的[2+2]环加成反应,从而得到了功能化
环丁烯。