β-Amino- and Alkoxy-Substituted Disilanides

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Our recent study on formal halide adducts of disilenes led to the investigation of the synthesis and properties of β-fluoro- and chlorodisilanides. The reaction of the functionalized neopentasilanes (Me3Si)3SiSiPh2NEt2 and (Me3Si)3SiSiMe2OMe with KOtBu in the presence of 18-crown-6 provided access to structurally related β-alkoxy- and amino-substituted disilanides. The obtained Et2NPh2Si(Me3Si)2SiK·18-crown-6 was converted to a magnesium silanide and further on to Et2NPh2Si(Me3Si)2Si-substituted ziroconocene and hafnocene chlorides. In addition, an example of a silanide containing both Et2NPh2Si and FPh2Si groups was prepared with moderate selectivity. Also, the analogous germanide Et2NPh2Si(Me3Si)2GeK·18-crown-6 could be obtained.
Original languageEnglish
Article number3823
Number of pages15
JournalMolecules
Volume24
Issue number21
DOIs
Publication statusPublished - 22 Oct 2019

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Crowns
Magnesium
adducts
halides
magnesium
Chlorides
selectivity
chlorides
synthesis
alkoxyl radical
18-crown-6

ASJC Scopus subject areas

  • Inorganic Chemistry

Fields of Expertise

  • Advanced Materials Science

Cite this

β-Amino- and Alkoxy-Substituted Disilanides. / Balatoni, Istvan; Hlina, Johann; Zitz, Rainer; Pöcheim, Alexander; Baumgartner, Judith; Marschner, Christoph.

In: Molecules , Vol. 24, No. 21, 3823, 22.10.2019.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Hlina, Johann

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AU - Pöcheim, Alexander

AU - Baumgartner, Judith

AU - Marschner, Christoph

PY - 2019/10/22

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N2 - Our recent study on formal halide adducts of disilenes led to the investigation of the synthesis and properties of β-fluoro- and chlorodisilanides. The reaction of the functionalized neopentasilanes (Me3Si)3SiSiPh2NEt2 and (Me3Si)3SiSiMe2OMe with KOtBu in the presence of 18-crown-6 provided access to structurally related β-alkoxy- and amino-substituted disilanides. The obtained Et2NPh2Si(Me3Si)2SiK·18-crown-6 was converted to a magnesium silanide and further on to Et2NPh2Si(Me3Si)2Si-substituted ziroconocene and hafnocene chlorides. In addition, an example of a silanide containing both Et2NPh2Si and FPh2Si groups was prepared with moderate selectivity. Also, the analogous germanide Et2NPh2Si(Me3Si)2GeK·18-crown-6 could be obtained.

AB - Our recent study on formal halide adducts of disilenes led to the investigation of the synthesis and properties of β-fluoro- and chlorodisilanides. The reaction of the functionalized neopentasilanes (Me3Si)3SiSiPh2NEt2 and (Me3Si)3SiSiMe2OMe with KOtBu in the presence of 18-crown-6 provided access to structurally related β-alkoxy- and amino-substituted disilanides. The obtained Et2NPh2Si(Me3Si)2SiK·18-crown-6 was converted to a magnesium silanide and further on to Et2NPh2Si(Me3Si)2Si-substituted ziroconocene and hafnocene chlorides. In addition, an example of a silanide containing both Et2NPh2Si and FPh2Si groups was prepared with moderate selectivity. Also, the analogous germanide Et2NPh2Si(Me3Si)2GeK·18-crown-6 could be obtained.

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