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

doi:10.1039/c2dt12224c

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

Pacific Northwest National Laboratory

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	4517-4529
Number of pages	13
Journal	Dalton Transactions
Volume	41
Issue number	15
DOIs	https://doi.org/10.1039/c2dt12224c
Publication status	Published - Apr 21 2012

ASJC Scopus subject areas

Inorganic Chemistry

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Synthesis and reactivity of molybdenum and tungsten bis(dinitrogen) complexes supported by diphosphine chelates containing pendant amines. / Weiss, Charles J.; Groves, Amy N.; Mock, Michael T.; Dougherty, William G.; Kassel, W. Scott; Helm, Monte L.; Dubois, Daniel L.; Bullock, R. Morris.

In: Dalton Transactions, Vol. 41, No. 15, 21.04.2012, p. 4517-4529.

Research output: Contribution to journal › Article › peer-review

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abstract = "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.",

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AU - Weiss, Charles J.

AU - Groves, Amy N.

AU - Mock, Michael T.

AU - Dougherty, William G.

AU - Kassel, W. Scott

AU - Helm, Monte L.

AU - Dubois, Daniel L.

AU - Bullock, R. Morris

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N2 - 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.

AB - 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.

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