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  • Inorganic Chemistry  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 117 (1984), S. 2337-2350 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Hetero-π-Systems, 7. SilabenzeneFlash pyrolysis of silacyclohexadiene derivatives 5k, 5m, and 7b yields silabenzene (1), which can be isolated in an argon matrix at 10 K. 1 exhibits characteristic IR and UV spectra. By photoexcitation a mutual interconversion between silabenzene (1) and dewarsilabenzene (2) can be achieved.
    Notes: Durch Kurzzeitpyrolyse der drei Silacyclohexadien-Derivate 5k, 5m und 7b läßt sich Silabenzol (1) erzeugen und in einer Argonmatrix bei 10 K isolieren. 1 zeichnet sich durch charakteristische IR- und UV-Spektren aus. Mittels photochemischer Anregung ist eine gegenseitige Umwandlung zwischen Silabenzol (1) und Dewarsilabenzol (2) zu erreichen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 117 (1984), S. 2351-2368 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Hetero-π-Systems, 8. SilaetheneBy means of a combination of vacuum flash pyrolysis and matrix isolation silaethene (1a) and its simply substituted derivatives 1b - f can be prepared starting with precursors 9a - f of the silabicyclo[2.2.2]octadiene type. Silaolefins 1a - f are stable in argon at 10 K and can be identified by their characteristics IR and UV spectra.
    Notes: Die Kombination von Vakuumblitzpyrolyse und Matrixisolierung gestattet es, Silaethen (1a) und seine einfach substituierten Derivate 1b - f ausgehend von den Silabicyclo[2.2.2]octadien-Vorläufern 9a - f zu gewinnen. Die Silaolefine 1a - f sind in Argon bei 10 K stabil und können anhand ihrer charakteristischen IR- und UV-Spektren identifiziert werden.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 117 (1984), S. 2369-2381 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Hetero-π-Systems, 9. About the Relationships between Silaethenes and MethylsilylenesSilaethenes 1 and the isomeric methylsilylenes 2 are separately existing species, but can readily be interconverted in an argon matrix via a photochemically induced 1,2-H shift. In case of the thermal excitation in the gas phase examples for both directions have been detected spectroscopically: the isomerisation of a silaolefin into the corresponding silylene (1d → 2d) and the formation of a silene from a silylene (2f → 1f).
    Notes: Die Silaolefine 1 und dazu isomeren Methylsilylene 2 sind getrennt existenzfähige Spezies, lassen sich in einer Argonmatrix aber über eine photochemisch induzierte 1,2-H-Wanderung leicht ineinander umwandeln. Bei thermischer Anregung in der Gasphase ist sowohl die Isomerisierung eines Silaolefins zum zugehörigen Silylen (1d → 2d) als auch eines Silylens zum entsprechenden Silen (2f → 1f) direkt spektroskopisch nachweisbar.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 115 (1982), S. 801-803 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Thermal Dehydrogenation of 1-Sila-2,5-cyclohexadiene to SilabenzeneFlash pyrolysis of 1-sila-2,5-cyclohexadiene (1) yields silabenzene (2), which can be identified spectroscopically using matrix isolation in argon at 10 K. On the contrary the isomeric conjugated 1-sila-2,4-cyclohexadiene (3) forms under identical conditions only traces of silabenzene.
    Type of Medium: Electronic Resource
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