complexes with regards to the ability to activate small molecules. Here, we report synthesis and full characterisation of the persistent (hypersilyl)(pentamethylcyclopentadienyl)silylene Cp*[(Me3Si)3Si]Si: as well as its unique reactivity. Silylene Cp*[(Me3Si)3Si]Si: activates dihydrogen to give the corresponding dihydrosilane Cp*[(Me3Si)3Si]SiH2 at particularly mild conditions as well as ethylene to afford
低价主族物种的最新研究强调了它们在激活小分子的能力方面与过渡
金属配合物相似。在这里,我们报告持久性(高甲
硅烷基)(五
甲基环戊二烯基)亚甲
硅烷基Cp * [(Me 3 Si)3 Si] Si的合成和完整表征:及其独特的反应性。甲
硅烷基Cp * [(Me 3 Si)3 Si] Si:在特别温和的条件下活化二氢以产生相应的二氢
硅烷Cp * [(Me 3 Si)3 Si] SiH 2以及
乙烯以提供三元环状
硅烷c -Cp * [(Me 3 Si)3 Si] Si(H 2CCH 2)。在二氢
硅烷Cp * [(Me 3 Si)3 Si] SiH 2中加入N-杂环卡宾NHC(NHC = 1,3,4,5-四甲基-
咪唑-2-亚基)诱导还原性消除Cp * H根据DFT计算,其在热力学上优于H 2消除。与NHC中,Cp * [(ME 3 Si)的3的Si]的Si:形式的典型供体-受体复合物与在Cp的哈普托数伴随变化*从η
配体2至η