An N-Heterocyclic Silylene-Stabilized Digermanium(0) Complex†
Yu-Liang Shan
Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Search for more papers by this authorCorresponding Author
Dr. Wai-Leung Yim
Institute of High Performance Computing, Agency for Science, Technology, and Research, 1 Fusionopolis Way, No. 16-16 Connexis, 138632 (Singapore)
Wai-Leung Yim, Institute of High Performance Computing, Agency for Science, Technology, and Research, 1 Fusionopolis Way, No. 16-16 Connexis, 138632 (Singapore)
Cheuk-Wai So, Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Search for more papers by this authorCorresponding Author
Dr. Cheuk-Wai So
Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Wai-Leung Yim, Institute of High Performance Computing, Agency for Science, Technology, and Research, 1 Fusionopolis Way, No. 16-16 Connexis, 138632 (Singapore)
Cheuk-Wai So, Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Search for more papers by this authorYu-Liang Shan
Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Search for more papers by this authorCorresponding Author
Dr. Wai-Leung Yim
Institute of High Performance Computing, Agency for Science, Technology, and Research, 1 Fusionopolis Way, No. 16-16 Connexis, 138632 (Singapore)
Wai-Leung Yim, Institute of High Performance Computing, Agency for Science, Technology, and Research, 1 Fusionopolis Way, No. 16-16 Connexis, 138632 (Singapore)
Cheuk-Wai So, Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Search for more papers by this authorCorresponding Author
Dr. Cheuk-Wai So
Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Wai-Leung Yim, Institute of High Performance Computing, Agency for Science, Technology, and Research, 1 Fusionopolis Way, No. 16-16 Connexis, 138632 (Singapore)
Cheuk-Wai So, Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371 (Singapore)
Search for more papers by this authorThis work is supported by an AcRF Tier 1 Grant. W.-L.Y. acknowledges the A*STAR Computational Resource Centre (A*CRC) for computing facilities.
Abstract
The synthesis of an N-heterocyclic silylene-stabilized digermanium(0) complex is described. The reaction of the amidinate-stabilized silicon(II) amide [LSiN(SiMe3)2] (1; L=PhC(NtBu)2) with GeCl2⋅dioxane in toluene afforded the SiII–GeII adduct [L{(Me3Si)2N}Si→GeCl2] (2). Reaction of the adduct with two equivalents of KC8 in toluene at room temperature afforded the N-heterocyclic carbene silylene-stabilized digermanium(0) complex [L{(Me3Si)2N}Si→ GeGe←Si{N(SiMe3)2}L] (3). X-ray crystallography and theoretical studies show conclusively that the N-heterocyclic silylenes stabilize the singlet digermanium(0) moiety by a weak synergic donor–acceptor interaction.
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