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  • Chemistry  (1)
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    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1980 (1980), S. 409-415 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Thermolysis of ortho-Chloro-Substituted 1,2-DiarylethylenediaminesOn heating bis(2,6-dichlorophenyl)ethylenediamines 1a - d give indoles and  -  in the case of the racemates 1b and d  -  tetrahydroindoloindoles. The d,1-form of the corresponding 2,4-dichloro compound 1f leads to a 2,4,5-triarylimidazolidine, the meso-form 1e to an aziridine, whose formation via a 2,cis-4,5-triarylimidazolidine appears likely from mechanistic considerations.
    Notes: Die Bis(2,6-dichlorphenyl)ethylendiamine 1a - d reagieren bei der Thermolyse zu Indolen und im Falle der Racemate 1b und d auch zu Tetrahydroindoloindolen. Die d,1-Form der entsprechenden 2,4-Dichlorverbindung 1f führt zu einem 2,4,5-Triarylimidazolidin, die meso-Form 1e zu einem Aziridin, dessen Bildung über ein 2,cis-4,5-Triarylimidazolidin durch mechanistische Betrachtungen wahrscheinlich gemacht werden konnte.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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