Novel saccharinate-bridged palladium complexes for efficient C-O bond activation displaying promising luminescence properties

Dalton Transactions : an International Journal of Inorganic Chemistry
M Dolores SantanaJ Luis Serrano

Abstract

The synthesis of mono- and dinuclear cyclometallated palladium(II) complexes with deprotonated saccharinate ligands displaying different coordination modes is described. The new compounds were prepared by direct reaction between saccharine and the corresponding hydroxo-complexes [{Pd(μ-OH)(C^N)}(2)] (C^N = 2-(2-pyridyl)phenyl (Phpy) I; = 7,8-benzoquinolyl (Bzq) II), showing a general formula [{Pd(μ-sac)(C^N)}(2)] with saccharinate 1 displaying a bridging -NCO-coordination mode. Bridge splitting with neutral ligands (L = pyridine (py) 2, quinoline (quinol) 3 or acridine (acrid) 4) yielded new mononuclear derivatives with saccharinate acting as an N-monodentated ligand. Structural characterization by X-ray diffraction of complexes I1, I2 and II2 confirmed the proposed formulae. All complexes emit in the solution and solid state at room temperature. Emission features between 640-680 nm in the solid state for complexes I1 and II1 are significantly red-shifted if compared to the emission in solution. These broad emissions are consistent with the simultaneous presence of (3)ππ* and (3)MMLCT transitions indicating the existence of a strong intramolecular Pd-Pd ground state interaction. The dimeric complexes have also shown to catalyze...Continue Reading

References

Dec 1, 1976·Proceedings of the National Academy of Sciences of the United States of America·M GellertJ Tomizawa
May 23, 2000·Planta medica·A N García-ArgáezM Martínez-Vázquez
Aug 12, 2000·Phytochemistry·W MaierD Strack
Aug 3, 2002·The Journal of Organic Chemistry·Diego A AlonsoMa Carmen Pacheco
Sep 21, 2002·Chemical Communications : Chem Comm·R B Bedford, C S Cazin
Mar 4, 2003·Inorganic Chemistry·Idalina M M de CarvalhoMarcelo H Gehlen
Sep 19, 2003·Chemical Communications : Chem Comm·Catherine M CrawforthAdrian C Whitwood
Jun 18, 2004·Organic Letters·Michael R Eberhard
Jun 9, 2005·Chemical Reviews·Jairton DupontJohn Spencer
Sep 28, 2005·Acta Crystallographica. Section B, Structural Science·J PérezJ L Serrano
Dec 3, 2005·Organic Letters·Anders Lindhardt Hansen, Troels Skrydstrup
Jan 20, 2007·Acta Crystallographica. Section B, Structural Science·J PérezJ García
Jan 16, 2008·The Journal of Physical Chemistry. a·Pin ShaoWenfang Sun
Dec 22, 2009·Dalton Transactions : an International Journal of Inorganic Chemistry·Catherine BronnerLuisa De Cola
Aug 18, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Marina JuribasićDarko Babić
Nov 10, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·José Luis SerranoIvan da Silva
Mar 3, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·M Dolores SantanaJ Luis Serrano
Jun 28, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·Gregorio SánchezJ Luis Serrano
Aug 20, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·Fabiana S MancilhaMichel Pfeffer

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Citations

Oct 31, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Marin MicutzViorel Cîrcu
Apr 12, 2014·Chemical Society Reviews·Anant R Kapdi, Ian J S Fairlamb
May 23, 2013·Chemistry : a European Journal·Nicolas P ChevalPatrick Pale

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