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Issue 38, 2019
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Oxidative addition of verdazyl halogenides to Pd(PPh3)4

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Direct oxidative addition of verdazyl halogenides to Pd(0) was studied and the role of this step in the Pd-catalyzed cross-coupling reactions was evaluated. A number of bis(triphenylphosphine)[verdazyl]palladium(II) iodide species were synthesized in yields of 89 to 92% and were shown to be persistent under ambient conditions. High synthetic potential of Pd-verdazyls was demonstrated by their efficiency and reactivity in the Sonogashira coupling reaction. These derivatives significantly expand the modern synthetic tools for development of spin-labeled materials and polyradical systems with desired functionalities.

Graphical abstract: Oxidative addition of verdazyl halogenides to Pd(PPh3)4

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Publication details

The article was received on 28 Jun 2019, accepted on 02 Sep 2019 and first published on 02 Sep 2019

Article type: Paper
DOI: 10.1039/C9NJ03361K
New J. Chem., 2019,43, 15293-15301

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    Oxidative addition of verdazyl halogenides to Pd(PPh3)4

    P. V. Petunin, D. E. Votkina, M. E. Trusova, T. V. Rybalova, E. V. Amosov, M. N. Uvarov, P. S. Postnikov, M. S. Kazantsev and E. A. Mostovich, New J. Chem., 2019, 43, 15293
    DOI: 10.1039/C9NJ03361K

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