A Dramatic Push Effect on the Homolysis of FeIII(OOR) Intermediates To Form Non-Heme FeIV[DOUBLE BOND]O Complexes

Authors

  • József Kaizer Dr.,

    1. Department of Chemistry and Center for Metals In Biocatalysis, University of Minnesota, 207 Pleasant Street SE, Minneapolis, MN 55455, USA, Fax: (+1) 612-624-7029
    Search for more papers by this author
  • Miquel Costas Dr.,

    1. Department of Chemistry and Center for Metals In Biocatalysis, University of Minnesota, 207 Pleasant Street SE, Minneapolis, MN 55455, USA, Fax: (+1) 612-624-7029
    Search for more papers by this author
  • Lawrence Que Jr. Prof.

    1. Department of Chemistry and Center for Metals In Biocatalysis, University of Minnesota, 207 Pleasant Street SE, Minneapolis, MN 55455, USA, Fax: (+1) 612-624-7029
    Search for more papers by this author

  • We thank A. Stubna and Professor E. Münck for obtaining the Mössbauer data for complex 2. This work was supported by a grant (GM33162) from the US National Institutes of Health.

Abstract

original image

A pushy Lewis base: Previously unobserved non-heme FeIV[DOUBLE BOND]O intermediates can be trapped in the decay of FeIIIOOR species by the addition of Lewis bases (represented by the green sphere) that promote O[BOND]O bond homolysis (see picture; Fe purple, O red).

Ancillary