Synthesis and lanthanide coordination chemistry of trifluoromethyl derivatives of phosphinoylmethyl pyridine N-oxides

Sylvie Pailloux, Cornel Edicome Shirima, Alisha D. Ray, Eileen N. Duesler, Karen Ann Smith, Robert T. Paine, John R. Klaehn, Michael E. McIlwain, Benjamin P. Hay

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A synthetic route for the formation of 2-[bis(2-trifluoromethylphenyl) phosphinoylmethyl]pyridine N-oxide (1c) and 2-[bis(3,5-trifluoromethylphenyl) phosphinoylmethyl]pyridine N-oxide (1d) was developed and the new ligands characterized by spectroscopic methods and single-crystal X-ray diffraction analyses. The coordination chemistry of 1c was examined with Yb(NO 3)3 and the molecular structure of one complex, [Yb(1c)(NO3)3(DMF)]·DMF·0.5H2O, was determined by single-crystal X-ray diffraction methods. The ligand is found to coordinate in a bidentate fashion, and this is compared against lanthanide coordination chemistry observed for the related ligand, [Ph2P(O) CH2] C5H4NO.

Original languageEnglish (US)
Pages (from-to)7486-7493
Number of pages8
JournalDalton Transactions
Issue number36
DOIs
StatePublished - Sep 14 2009

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