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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 502-507 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation of Acylheterocumulenes from Fivemembered Rings with the Aid of PhosphinesElimination of sulfur from derivatives of 1,2,4-dithiazoles, 1,2,4-thiadiazoles, and isothiazoles with the aid of tertiary phosphines (phosphites) afforded thiocarbamoyl isothiocyanates (2a-c), imidoylcarbodiimides (7a-c), and imidoylketene imines (10a-c). They were isolated as monomers or as stable derivatives. By this method two compounds (5c, d) were obtained from 1,2-dithiol-3-thiones in the presence of cyclohexylamine which possibly originate from intermediate thioacyl-thioketenes (4).
    Notes: Die Eliminierung von Schwefel aus Derivaten des 1,2,4-Dithiazols, 1,2,4-Thiadiazols und Isothiazols mit Hilfe von tertiären Phosphinen (Phosphiten) ergab Thiocarbamoyl-isothiocyanate (2a-c). Imidoyl-carbodiimide (7a-c) und -ketenimine (10a-c). Sie wurden teils in Substanz, teils als Folge- oder Abfangprodukte isoliert. Aus zwei 1,2-Dithiol-3-thionen wurden nach dieser Methode in Gegenwart von Cyclohexylamin Verbindungen (5c,d) erhalten. die mit der Intermediärbildung von Thioacyl-thioketenen (4) gedeutet werden können.
    Type of Medium: Electronic Resource
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