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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 111 (1978), S. 2099-2107 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Phenyl- and Vinyliodonio-cyclopentadienidesThe cyclopentadienyl anions 1-4 stabilized by electronegative substituents R1-R4 react with the (diacetoxyiodo)benzenes 5-12 and with 2-(diacetoxyiodo)vinyl chloride (16) to give the Iodonium ylides 13 and 17-19, resp. Tetracyanocyclopentadienide anion (14), which is less nucleophilic than 1-4, reacts in the same way in the presence of mineral acids. The 1H NMR and 13C NMR spectra of the ylides are given.
    Notes: Die durch elektronegative Substituenten R1-R4 stabilisierten Cyclopentadienyl-Anionen 1-4 reagieren mit den (Diacetoxyiodo)benzolen 5-12 bzw. mit 2-(Diacetoxyiodo)vinylchlorid (16) zu den Iodonium-Yliden 13 bzw. 17-19. Das im Vergleich zu 1-4 schwächer nucleophile Tetracyancyclopentadienyl-Anion (14) reagiert in Gegenwart von Mineralsäuren in gleicher Weise. Die 1H-NMR- und 13C-NMR-Spektren der Ylide werden angegeben.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
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