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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 1235-1244 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Contributions to the Chemistry of Boron, CII. Synthesis and Reactions of 1-Stanna-4-bora-2,5-cyclohexadienesHydrostannation of (dialkylamino)dialkinylboranes 1 with dimethylstannane yields 1,1-dimethyl-1-stanna-4-bora-2,5-cyclohexadienes 2. Additional 4-amino derivatives are accessible via trans-amination reactions. Solvolysis of the amino derivatives by alcohols leads to alkoxy derivatives 3. These are alkylated by aluminium alkyls or tert-butyllithium to 4-alkyl-1,1-dimethyl-1-stanna-4-boracyclohexadienes 5. A considerable difference in the chemical behaviour of the 1,1-dimethyl-and the 1,1,2,6-tetramethyl derivatives has been observed.
    Notes: Die Hydrostannierung von (Dialkylamino)dialkinylboranen 1 mit Dimethylstannan führt zu 1,1-Dimethyl-1-stanna-4-bora-2,5-cyclohexadienen 2. Über Transaminierung sind weitere 4-Amino-Derivate zugänglich. Die Solvolyse der Amino-Derivate mit Alkoholen liefert die Alkoxyderivate 3, die mit Aluminiumalkylen bzw. mit tert-Butyllithium zu 4-Alkyl-1,1-dimethyl-1-stanna-4-boracyclohexadienen 5 alkyliert werden. Zwischen den 1,1-Dimethyl- und den 1,1,2,6-Tetramethyl-Derivaten bestehen beträchtliche Unterschiede im chemischen Verhalten.
    Type of Medium: Electronic Resource
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