[RuCl(η2-Ph2PCRC(Râ²)O(η6-arene)] complexes, prepared from α-diphenylphosphinoketones, react with phenylacetylene in the presence of AgBF4 or AgPF6 and give regioselective carbonâcarbon bond formation involving the α-phosphino carbon atom of the phosphinoenolate ligand, as shown by an X-ray diffraction analysis.
由 α-
二苯基膦酮制备的 [RuCl(δ2-Ph2PRC(R‐2)O(δ6-
芳烃)] 配合物,在
AgBF4 或 AgPF6 存在下与
苯乙炔反应,形成区域选择性碳碳键涉及膦烯醇
配体的α-膦基碳原子,如X射线衍射分析所示。