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Issue 16, 2019
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(PhC(NtBu)2Al)2(SiH2)4 six-membered heterocycle: comparable in structure to cyclohexane

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Abstract

A silicon–aluminum heterocycle LAl(SiH2SiH2)2AlL (L = PhC(NtBu)2) (1) was prepared. Compound 1 exhibits a unique (N2Al)2(SiH2)4 centrosymmetric six-membered ring structure with a chair conformation, which is comparable with that of cyclohexane. Furthermore, two intermediate analogues, silylene–alane adduct LSi(AlMe3)–Si(AlMe3)L (2) and silylene–alane oxidative product [LAlHSiH2Mes]2 (3) were obtained. Compound 3 has an interesting arrangement of an Al–H and an SiH2 unit, which are in close vicinity to each other. 3 might be important to function as a catalyst, due to the already activated bridging Al–H bonds.

Graphical abstract: (PhC(NtBu)2Al)2(SiH2)4 six-membered heterocycle: comparable in structure to cyclohexane

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Publication details

The article was received on 21 Dec 2018, accepted on 24 Jan 2019 and first published on 25 Jan 2019


Article type: Communication
DOI: 10.1039/C8CC10124H
Citation: Chem. Commun., 2019,55, 2360-2363
  • Open access: Creative Commons BY-NC license
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    (PhC(NtBu)2Al)2(SiH2)4 six-membered heterocycle: comparable in structure to cyclohexane

    J. Li, M. Zhong, H. Keil, H. Zhu, R. Herbst-Irmer, D. Stalke, S. De, D. Koley and H. W. Roesky, Chem. Commun., 2019, 55, 2360
    DOI: 10.1039/C8CC10124H

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