Synthesis and reactivity of molybdenum and tungsten bis(dinitrogen) complexes supported by diphosphine chelates containing pendant amines

Charles J. Weiss, Amy N. Groves, Michael T. Mock, William G. Dougherty, W. Scott Kassel, Monte L. Helm, Daniel L. Dubois, R. Morris Bullock

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Molybdenum and tungsten bis(dinitrogen) complexes of the formula M(N 2) 2(PNP) 2 (M = Mo and W) and W(N 2) 2(dppe)(PNP), supported by diphosphine ligands containing a pendant amine of the formula (CH 2PR 2) 2NR′ = P RN R′P R (R = Et, Ph; R′ = Me, Bn), have been prepared by Mg reduction of metal halides under an N 2 atmosphere. The complexes have been characterized by NMR and IR spectroscopy, X-ray crystallography, and cyclic voltammetry. Reactivity of the target Mo and W bis(dinitrogen) compounds with CO results in the formation of dicarbonyl complexes.

Original languageEnglish
Pages (from-to)4517-4529
Number of pages13
JournalDalton Transactions
Issue number15
Publication statusPublished - Apr 21 2012


ASJC Scopus subject areas

  • Inorganic Chemistry

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