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  • 1
    Electronic Resource
    Electronic Resource
    New ways to polysilanes (1993)
    Springer
    Journal of inorganic and organometallic polymers and materials 3 (1993), S. 287-303 
    Details
    ISSN: 1572-8870
    Keywords: Cyclosilanes ; electrochemical formation of polysilanes ; catalytic polymerization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract New cyclosilanes with substituents, which are functional groups, open the possibility of forming new polycyclic silanes in an aimed synthesis. This is possible on five- and six-membered rings. Also, mixed systems with different ring sizes were prepared. The UV spectra are discussed. An annelid dicycle Si10Me18 was also prepared. With this compound a radical anion can be formed. New aspects of the electrochemical synthesis of polysilanes are presented and a chlorine stable anode is proposed for the first time. The polymerization reaction of hydrogen-containing methyldisilanes is discussed. This reaction yields polysilanes with a general composition (SiMeH) n and a ceramic yield over 88%. The reaction is very different from the known reaction of monosilanes. Disilanes react faster and to high polymers. Two reaction mechanisms seem to be working simultaneously, i.e., a mechanism as postulated in monosilanes and a disproportionation reaction. These mechanisms are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00683955
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  • 2
    Electronic Resource
    Electronic Resource
    Darstellung und Eigenschaften einiger Hexamethylcyclohexasilanderivate (1986)
    Springer
    Monatshefte für Chemie 117 (1986), S. 1399-1404 
    Details
    ISSN: 1434-4475
    Keywords: Cyclosilanes ; Silylene generation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Starting from hexamethylhexaphenylcyclohexasilane, some new hexamethyl-cyclohexasilane derivatives (Cl, Br, OCH3, F) were prepared by exchange of the phenyl groups and characterized by analytical and spectroscopic methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00810749
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  • 3
    Electronic Resource
    Electronic Resource
    29Si-NMR-Untersuchungen an einigen Cyclosilanderivaten (1979)
    Springer
    Monatshefte für Chemie 110 (1979), S. 1295-1300 
    Details
    ISSN: 1434-4475
    Keywords: Cyclosilanes ; 29Si-NMRspectra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract 29Si-NMR spectras of some new cyclosilane derivatives were measured. First aspects of the dependence of chemical shift on ring size and kind of substituents are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00938287
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  • 4
    Electronic Resource
    Electronic Resource
    Über neue Siliciumschichtverbindungen aus Calciumdisilicid (1990)
    Springer
    Monatshefte für Chemie 121 (1990), S. 259-266 
    Details
    ISSN: 1434-4475
    Keywords: Laminated structure of silicon compounds ; Alkoxypolysilanes ; Calcium disilicide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary (SiCl)n is a high polymeric compounds with a layered structure, yielded from the layer lattice CaSi2 with ICl. New compounds were formed on the surface of these layers by action of polyvalent alcohols like ethanediol, 1,3-propanediol, 1,4-butanediol and glycerine. BET and IR measurements and the analysis show that all OH groups of the alcohols react with the Si-Cl linkage on one layer, forming a handle structure. (SiCl)n also reacts with trimethylaluminum, forming a polymeric methylsilicon Si(CH3) n .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00808926
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