Reduction of oxygen catalyzed by nickel diphosphine complexes with positioned pendant amines

Jenny Y. Yang, R Morris Bullock, William G. Dougherty, W. Scott Kassel, Brendan Twamley, Daniel L DuBois, M. Rakowski Dubois

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Nickel(ii) bis(diphosphine) complexes that contain positioned bases in the second coordination sphere have been found to catalyze the reduction of O 2 with H2 to selectively form water. The complexes also serve as electrocatalysts for the reduction of O2 with the addition of a weak acid. In contrast, a closely related nickel diphosphine complex without the positioned bases is catalytically inactive for O2 reduction. These results indicate that pendant bases in synthetic catalysts for O2 reduction can play a similar role to proton relays in enzymes, and that such relays should be considered in the design of catalysts for multi-electron and multi-proton reactions.

Original languageEnglish
Pages (from-to)3001-3010
Number of pages10
JournalDalton Transactions
Volume39
Issue number12
DOIs
Publication statusPublished - 2010

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Nickel
Amines
Oxygen
Protons
Catalysts
Electrocatalysts
Acids
Electrons
Water
Enzymes

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Reduction of oxygen catalyzed by nickel diphosphine complexes with positioned pendant amines. / Yang, Jenny Y.; Bullock, R Morris; Dougherty, William G.; Kassel, W. Scott; Twamley, Brendan; DuBois, Daniel L; Rakowski Dubois, M.

In: Dalton Transactions, Vol. 39, No. 12, 2010, p. 3001-3010.

Research output: Contribution to journalArticle

Yang, JY, Bullock, RM, Dougherty, WG, Kassel, WS, Twamley, B, DuBois, DL & Rakowski Dubois, M 2010, 'Reduction of oxygen catalyzed by nickel diphosphine complexes with positioned pendant amines', Dalton Transactions, vol. 39, no. 12, pp. 3001-3010. https://doi.org/10.1039/b921245k
Yang, Jenny Y. ; Bullock, R Morris ; Dougherty, William G. ; Kassel, W. Scott ; Twamley, Brendan ; DuBois, Daniel L ; Rakowski Dubois, M. / Reduction of oxygen catalyzed by nickel diphosphine complexes with positioned pendant amines. In: Dalton Transactions. 2010 ; Vol. 39, No. 12. pp. 3001-3010.
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