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Platinum(II) complexes of 2-alkoxy-dibenzo[c.e][1,2]oxaphosphorines

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Abstract

2-Alkoxy-dibenzo[c.e][1,2]oxaphosphorines were prepared by the reaction of chloro-dibenzooxaphosphorine with alcohols and were converted to the cyclic phosphonates by oxidation and to the corresponding phosphonous boranes by reaction with borane-dimethylsulfide. Interaction of the alkoxy-dibenzooxaphosphorines with dichlorodibenzonitrileplatinum led to bis(dibenzooxaphosphorino)dichloroplatinum complexes exhibiting the P-ligands in the cis disposition. Relative energetics for the prepared cis and the theoretically possible trans isomers of the complexes along with their stereostructures were investigated by quantum chemical calculations.

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Acknowledgments

The above project was supported by the Hungarian Scientific and Research Fund (OTKA T 067679), as well as by the joint funds from the European Union and the Hungarian State (GVOP-3.2.2.-2004-07-0006/3.0). T.K. is grateful for the Hungarian Supercomputer Centre (NIIF and HPC Szeged) for the computational facility.

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Authors and Affiliations

  1. Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521, Budapest, Hungary

    György Keglevich, Andrea Kerényi & Beatrix Mayer

  2. Department of Physical Chemistry, University of Szeged, 6701, Szeged, Hungary

    Tamás Körtvélyesi

  3. Faculty of Pharmacy, Department of Pharmaceutics, Semmelweis University, 1092, Budapest, Hungary

    Krisztina Ludányi

  4. Hungarian Academy of Sciences, Chemical Research Center, 1525, Budapest, Hungary

    Krisztina Ludányi

Authors
  1. György Keglevich
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  2. Andrea Kerényi
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  3. Beatrix Mayer
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  4. Tamás Körtvélyesi
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  5. Krisztina Ludányi
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Correspondence to György Keglevich.

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Keglevich, G., Kerényi, A., Mayer, B. et al. Platinum(II) complexes of 2-alkoxy-dibenzo[c.e][1,2]oxaphosphorines. Transition Met Chem 33, 505–510 (2008). https://doi.org/10.1007/s11243-008-9072-0

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