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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 108 (1975), S. 3326-3335 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Valence Isomerism of Diazo Compounds and DiazirinesThe system 3-diazo-2-oxoindoline/2′-oxospiro[diazirine-3,3′-indoline] and the corresponding methyl derivatives are the first examples of a reversible, photochromic valence isomerism between diazo compounds and diazirines. Using the results of photolysis and thermolysis experiments, the theoretical routes of this valence isomerization by ring closure and ring opening, or by elimination and readdition of nitrogen, respectively, are discussed.
    Notes: Am Beispiel des Systems 3-Diazo-2-oxoindolin/2′-Oxospiro[diazirin-3,3′-indolin] und der entsprechenden 1-Methylderivate ist es zum ersten Mal gelungen, die reversible, photochrome Valenzisomerisierung zwischen Diazoverbindungen und Diazirinen zu untersuchen. Anhand der Ergebnisse der Photolyse- und Thermolyseexperimente werden die theoretischen Wege für diese Valenzisomerisierung unter Ringschluß bzw. Ringöffnung oder Eliminierung und Wiederanlagerung von Stickstoff diskutiert.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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