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  • Wiley-Blackwell  (1)
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    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cyanates and their Reactive Behaviour. XLIII. Synthesis and Properties of Organomagnesium Thiocyanate and Selenocyanate CompoundsRMgX and RMgX · 2 L compounds react with KYCN in tetrahydrofurane via halide pseudohalide exchange reactions to give RMgNCY solutions (R = alkyl or aryl groups; X = Cl, Br, I; L = O-donors; Y = S, Se), from which compounds of the type RMgNCY · 2 THF have been isolated in a crystalline form. The prepared compounds are characterized by analytical data, IR absorption spectra, concentration dependent conductivity measurements and reactive behaviour in relation to classic Grignard reagents.
    Notes: Reaktionen von RMgX- bzw. RMgX · 2L-Verbindungen führen in Tetrahydrofuran mit KYCN über Halogenid-Pseudohalogenid-Austauschreaktionen zu RMgNCY-Reaktionslösungen (R = Alkyl- oder Arylgruppen; X = Cl, Br, I; L = O-Donoren; Y = S, Se), aus denen kristalline Verbindungen des Typs RMgNCY · 2 THF isolierbar sind. Die dargestellten Verbindungen werden durch IR-Absorptionsspektren, konzentrationsabhängige Elektrolytleitfähigkeitsmessungen und ihr Reaktionsverhalten im Vergleich zu „klassischen Grignardverbindungen“ näher charakterisiert.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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