Unsymmetrical RPNPR′ pincer ligands and their group 10 complexes

Raymond B. Lansing; Karen I. Goldberg; Richard A. Kemp

doi:10.1039/C1DT10265F

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Unsymmetrical ^RPNP^R^′ pincer ligands and their group 10 complexes†

Raymond B. Lansing, Jr.,^a Karen I. Goldberg*^b and Richard A. Kemp*^ac

Author affiliations

* Corresponding authors

^a Department of Chemistry and Chemical Biology, University of New Mexico, MSC03 2060, Albuquerque, New Mexico, USA
E-mail: rakemp@unm.edu
Fax: 1-505-272-7336
Tel: 1-505-272-7609

^b Department of Chemistry, Box 351700, University of Washington, Seattle, Washington, USA
E-mail: goldberg@chem.washington.edu

^c Advanced Materials Laboratory, Sandia National Laboratories, 1001 University Blvd, SE, Albuquerque, New Mexico, USA

Abstract

Two new unsymmetrical ^RPNP^R^′-type pincer ligands based on a bis(tolyl)amine framework have been synthesized and characterized by a variety of techniques, including X-ray crystallography. These ligands have been coordinated to Ni, Pd, and Pt precursors to provide a number of well-characterized group 10 halides. Conversion of these metal halides to metal hydrides was accomplished using borohydride reagents, or by direct interaction of the ligand with the zerovalent metal precursor. The insertion of oxygen into these hydrides in an attempt to prepare metal hydroperoxides has been examined; however, we were unable to obtain stable and isolable hydroperoxide species.

This article is part of the themed collection: Pincers and other hemilabile ligands

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Supplementary files

Crystal structure data TXT (164K)

Article information

DOI: https://doi.org/10.1039/C1DT10265F
Article type: Paper
Submitted: 18 Feb 2011
Accepted: 06 Apr 2011
First published: 20 May 2011

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Dalton Trans., 2011,40, 8950-8958

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Unsymmetrical ^RPNP^R^′ pincer ligands and their group 10 complexes

R. B. Lansing, K. I. Goldberg and R. A. Kemp, Dalton Trans., 2011, 40, 8950 DOI: 10.1039/C1DT10265F

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Dalton Transactions