Thermolysis of (dfepe)Pt(Et)(O2CCF3) (dfepe = (C2F5)2PCH2CH2P(C2F5)2) in benzene at 80 °C results in the formation of (dfepe)Pt(η2-C2H4). However, at 120 °C in CF3CO2H a bridging ethylidene platinum dimer, [(dfepe)2Pt2(μ-CHMe)(μ-H)][O2CCF3], is produced instead. Product isolation by precipitation with diethyl ether afforded the neutral dimer (dfepe)2Pt2(μ-CHMe3). Alternatively, (dfepe)2Pt2(μ-CHMe)
(dfepe)Pt(Et)(O 2 CCF 3)(dfepe =(C 2 F 5)2 PCH 2 CH 2 P(C 2 F 5)2)在80°C的苯中的热分解导致形成( dfepe)的Pt(η 2 -C 2 H ^ 4)。但是,在CF 3 CO 2 H中于120°C时,会生成桥联亚乙基
铂二聚体[(dfepe)2 Pt 2(μ-C
HME)(μ-H)] [O 2 CCF 3 ]。通过用
乙醚沉淀分离产物,得到中性二聚体(dfepe)2的Pt 2(μ-C
HME 3)。或者,可以通过用1个大气压的
乙烯处理[(dfepe)Pt(μ-H)] 2(H)+在20°C的条件下制备(dfepe)2 Pt 2(μ-C
HME)。通过1 H,13 C和31 P NMR光谱以及X射线衍射可以完全表征该物质。提出了调查该μ-亚烷基产物的形成机理的研究。苄基复合物的合成(dfepe)的Pt(CH 2 PH)(O 2 CCF 3)和它的可逆重排的η