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Synthesis, spectroscopic and structural characterization of orthopalladated complexes with 4-phenylbenzoylmethylene triphenyl phosphorane ylide

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Abstract

The orthometalated complex [Pd(μ-Cl)(C6H5C6H4C(O)CHPPh2C6H4-κ2-C,C)]2 (1) was prepared by refluxing in MeOH/CH2Cl2 equimolecular amounts of Pd(OAc)2 and (Ph)3PCHCOC6H4-Ph-4 (=PhBPPY) followed by addition of excess NaCl. Complex 1 reacts with 4-picoline to give the mononuclear derivative [Pd(PhC6H4COCHPPh2C6H4)(4-picoline)] (2) whose crystal structure has been determined by X-ray diffraction. The precursor complex (1) could not be isolated in a pure form, but it can be used as a starting material for the synthesis of derivatives of mononuclear cyclo-palladated complexes. Orthometallation and ylide C-coordination in complexes 3–5 were characterized by elemental analysis as well as various spectroscopic techniques.

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Acknowledgments

The authors acknowledge the Department of Chemistry Isfahan University of Technology and the Faculty of Arts and Sciences, Ondokuz Mayıs University, Turkey, for the use of the Stoe IPDSII diffractometer (purchased under grant F. 279 of the University Research Fund).

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Authors and Affiliations

  1. Department of Chemistry, Isfahan University of Technology, Isfahan, 84156, I.R. Iran

    K. Karami & H. Dalvand

  2. Department of Physics, Faculty of Arts and Sciences, Ondokuz Mayıs University, 55139, Samsun, Turkey

    O. Büyükgüngör

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  1. K. Karami
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  2. O. Büyükgüngör
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  3. H. Dalvand
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Correspondence to K. Karami.

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Karami, K., Büyükgüngör, O. & Dalvand, H. Synthesis, spectroscopic and structural characterization of orthopalladated complexes with 4-phenylbenzoylmethylene triphenyl phosphorane ylide. Transition Met Chem 35, 621–626 (2010). https://doi.org/10.1007/s11243-010-9372-z

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