科研之友
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摘要
Through the use of an N-heterocyclic carbene (NHC) and the super-silyl group (tBu(3)Si), the novel silylene hydride 2 could be synthesized and isolated in 41% yield. The reaction of 2 with bis(1,5-cyclooctadiene)nickel(0) afforded complex 3, which represents the first example of a dihydrodisilene transition metal complex. Compounds 2 and 3 were fully characterized, including single-crystal X-ray diffraction analysis. The reaction mechanism for the formation of 3 from 2 was investigated by density functional theory calculations, which showed that migration of the NHC from silicon to nickel takes place in this reaction.
- 出版日期2013-12-11
