Казанский (Приволжский) федеральный университет, КФУ
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OXIDATIVE ADDITION TO PALLADIUM(0) DIPHOSPHINE COMPLEXES: OBSERVATIONS OF MECHANISTIC COMPLEXITY WITH IODOBENZENE AS REACTANT
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2014
  • Курбангалиева Альмира Рафаэловна, автор
  • Другие авторы Duncan Carmichael; K. K. (Mimi) Hii; Anny Jutand; John M. Brown
    Библиографическое описание на языке оригинала Almira Kurbangalieva, Duncan Carmichael, K. K. (Mimi) Hii, Anny Jutand, John M. Brown. Oxidative Addition to Palladium(0) Diphosphine Complexes: Observations of Mechanistic Complexity with Iodobenzene as Reactant // Chemistry - A European Journal. 2014. V. 20. № 4. P. 1116-1125.
    Аннотация Using a combination of electrochemical and NMR techniques, the oxidative addition of PhX to three closely related bis-diphosphine P2Pd0 complexes, where the steric bulk of just one substituent was varied, has been analysed quantitatively. For the complex derived from MetBu2P, a rapid reaction ensued with PhI following an associative mechanism, and data was also obtained by cyclic voltammetry for PhOTs, PhBr and PhCl, revealing distinct relative reactivities from the related (PCx3)2Pd complex (Cx=cyclohexyl) previously studied. The corresponding EttBu2P complex reacted more slowly with PhI and was studied by NMR spectroscopy. The reaction course indicated a mixture of pathways, with contribution from a component that was [PhI] independent. For the CxtBu2P complex, reaction was again monitored by NMR spectroscopy, and was even slower.
    Ключевые слова electrochemistry, NMR spectroscopy, oxidative addition, palladium, reaction mechanisms
    Название журнала Chemistry - A European Journal
    URL http://onlinelibrary.wiley.com/doi/10.1002/chem.201301937/abstract
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