Multiple-Bond Metathesis Mediated by Sterically Pressured Uranium Complexes

Authors

  • Ingrid Castro-Rodríguez Dr.,

    1. Friedrich-Alexander-University of Erlangen-Nuremberg, Institute of Inorganic Chemistry, Egerlandstrasse 1, 91058 Erlangen, Germany, Fax: (+49) 9131-852-7367
    Search for more papers by this author
  • Hidetaka Nakai Dr.,

    1. Friedrich-Alexander-University of Erlangen-Nuremberg, Institute of Inorganic Chemistry, Egerlandstrasse 1, 91058 Erlangen, Germany, Fax: (+49) 9131-852-7367
    Search for more papers by this author
  • Karsten Meyer Prof. Dr.

    1. Friedrich-Alexander-University of Erlangen-Nuremberg, Institute of Inorganic Chemistry, Egerlandstrasse 1, 91058 Erlangen, Germany, Fax: (+49) 9131-852-7367
    Search for more papers by this author

  • This work was supported by the US Department of Energy (US DE-FG02-04ER15537) and, in parts, through the UCSD/LANL CARE program. We thank NIH for a fellowship to I.C.-R. (3 T32 DK07233-2651) and Prof. Arnold Rheingold, Dr. Peter Gantzel, and Dr. Lev Zakharov for assistance with the crystallographic details. K.M. is an Alfred P. Sloan fellow.

Abstract

original image

Completing a circle of reactions: Reaction of a UV–imido complex (2) with a π acid (e.g., CH3NC) affords a UIV–heterocumulene complex (3), which reacts with an alkyl halide to yield the free carbodiimide and corresponding UIV–halide complex (4). Reduction of complex 4 recovers 1, thereby closing a cycle in which a nitrogen atom is transferred from a UV–imido complex to a π acid by multiple-bond metathesis.

Ancillary