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Journal of Coordination Chemistry Volume 62, 2009 - Issue 24
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Original Articles

Cleavage of NpzCH2-OP and unexpected formation of bis(3,5-dimethyl-1H-pyrazol-1-yl)methane (dmbpm): X-ray crystal structure of [PdCl2(dmbpm)]

Sergio Muñoz Departament de Química, Unitat de Química Inorgànica, Universitat Autònoma de Barcelona, 08193-Bellaterra, Barcelona, Spain
,
Josefina Pons Departament de Química, Unitat de Química Inorgànica, Universitat Autònoma de Barcelona, 08193-Bellaterra, Barcelona, SpainCorrespondence[email protected]
,
Jordi García-Antón Departament de Química, Unitat de Química Inorgànica, Universitat Autònoma de Barcelona, 08193-Bellaterra, Barcelona, Spain
,
Xavier Solans** Cristallografia, Minerologia i Dipòsits Minerals, Universitat de Barcelona, Martí i Franquès s/n, 08028-Barcelona, SpainView further author information
,
Mercè Font-Bardia Cristallografia, Minerologia i Dipòsits Minerals, Universitat de Barcelona, Martí i Franquès s/n, 08028-Barcelona, Spain
&
Josep Ros Departament de Química, Unitat de Química Inorgànica, Universitat Autònoma de Barcelona, 08193-Bellaterra, Barcelona, Spain
Pages 3940-3950 | Received 27 Apr 2009, Accepted 18 Jun 2009, Published online: 22 Sep 2010
 
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Abstract

In the reaction of (3,5-dimethyl-1H-pyrazol-1-yl)methyldiphenylphosphinite (dmpmp) with [PdCl2(CH3CN)2], we have obtained hydrolysis and phosphorus oxidation products and the unexpected complex cis-[PdCl2(dmbpm)] (dmbpm = bis(3,5-dimethyl-1H-pyrazol-1-yl)methane). Modifications in the synthesis of dmpmp (high temperature, strong base, and the presence of Ph2P(O)Cl) show that dmbpm is a by-product from the synthetic route to dmpmp. The complex cis-[PdCl2(dmbpm)] is isolated and fully characterized by mass spectrometry, analytical, and spectroscopy techniques and the crystal structure is obtained by X-ray diffraction methods.

Acknowledgments

This article is dedicated to the memory of Prof Xavier Solans i Huguet. Support by the Spanish Ministerio de Educacion y Cultura (projecte CTQ2007-63913 BQU) is gratefully acknowledged.

Notes

**Deceased September 3rd, 2007.

Additional information

Notes on contributors

Xavier SolansFootnote**

**Deceased September 3rd, 2007.

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