摘要
A unique penta-coordinate nickel complex [{1,2-C 6 H 4 (SiMe 2 )(SiH)} 2 Ni(PEt 3 )(depe)] (6) that generates two new Si-Si single bonds has been prepared exclusively by the reaction of a chelating silyl hydride 1-(dimethylsilyl)-2-silylbenzene (4) and Ni(depe)(PEt 3 ) 2 (depe = Et 2 PCH 2 CH 2 PEt 2 ) in a 2:1 ratio. Complex 6 is the first example of mononuclear silyl nickel complexes containing a Si-Si single bond formed in situ. Interestingly, framework 6 exhibits reversible single-crystal-to-single-crystal transformations upon the removal and rebinding of the coordinating PEt 3 molecule, which give rise to a PEt 3 -free complex [{1,2-C 6 H 4 (SiMe 2 )(SiH)} 2 Ni(depe)] (6′), concomitant with the alteration of the coordination geometry of central metal atoms.
源语言 | 英语 |
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页(从-至) | 3433-3439 |
页数 | 7 |
期刊 | Dalton Transactions |
卷 | 48 |
期 | 10 |
DOI | |
出版状态 | 已出版 - 2019 |
已对外发布 | 是 |