Synthesis of Actinide Fluoride Complexes Using Trimethyltin Fluoride as a Mild and Selective Fluorinating Reagent

Benjamin D. Kagan, Alejandro G. Lichtscheidl, Karla A. Erickson, Marisa J. Monreal, Brian L. Scott, Andrew T. Nelson, Jaqueline L. Kiplinger

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Trimethyltin fluoride (Me3SnF) is a mild and selective reagent for the installation of actinide fluoride bonds as demonstrated by the room temperature synthesis of a variety of organometallic and inorganic thorium(IV), uranium(IV), and uranium(V) fluoride complexes {(1,2,4-tBu3C5H2)2ThF2, (C5Me5)2U(F)(O-2,6-iPr2C6H3), U(F)(O-2,6-tBu2C6H3)3, U(F)[N(SiMe3)2]3, (C5Me5)2UF2(L) (L = O=PMe3, O=PPh3, O=PCy3), and (C5Me5)2U(F)(=N-2,6-iPr2C6H3)} from their corresponding chloride, bromide, and iodide analogues. From these reactions, the new (C5Me5)2UF2(L) (L = O=PPh3, O=PCy3) uranium fluoride complexes were isolated and characterized by NMR spectroscopy and X-ray crystallography.

Original languageEnglish
Pages (from-to)1247-1253
Number of pages7
JournalEuropean Journal of Inorganic Chemistry
Volume2018
Issue number11
DOIs
StatePublished - Mar 22 2018
Externally publishedYes

Funding

For financial support of this work, we acknowledge the U.S. Department of Energy through the Los Alamos G. T. Seaborg Institute for Transactinium Science (Undergraduate Student Fellowship to B. D. K.; Postdoctoral Fellowships to A. G. L., K. A. E., and M. J. M.), the Los Alamos National Laboratory (Director and Reines PD Fellowships to M. J. M.), the Office of Science, Office of Workforce Development for Teachers and Scientists (WDTS) under the Science Undergraduate Laboratory Internship (SULI) program (Fellowship to B. D. K.), the Advanced Fuels Campaign Fuel Cycle Research & Development Program (A. T. N.), and the LANL LDRD Program. Los Alamos National Laboratory is operated by Los Alamos National Security, LLC, for the National Nuclear Security Administration (contract DE-AC52-06NA25396).

Keywords

  • Fluorides
  • Halides
  • Thorium
  • Trimethyltin fluoride
  • Uranium

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