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  Synthesis, structure and photophysical properties of binuclear methylplatinum complexes containing cyclometalating 2-phenylpyridine or benzo{h}quinoline ligands: A comparison of intramolecular Pt–Pt and π–π interactions.

Jamali, S., Czerwieniec, R., Kia, R., Jamshidi, Z., & Zabel, M. (2011). Synthesis, structure and photophysical properties of binuclear methylplatinum complexes containing cyclometalating 2-phenylpyridine or benzo{h}quinoline ligands: A comparison of intramolecular Pt–Pt and π–π interactions. Dalton Transactions, 40, 9123-9130. doi:10.1039/C1DT10834D.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-1837-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-183A-5
Genre: Journal Article

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2368758.pdf (Publisher version), 483KB
 
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Jamali, S., Author
Czerwieniec, R., Author
Kia, R.1, Author              
Jamshidi, Z., Author
Zabel, M., Author
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1Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for Biophysical Chemistry, Max Planck Society, ou_578564              

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 Abstract: The binuclear cyclometalated complexes [Pt2Me2(ppy)2(μ-dppm)], 1a, and [Pt2Me2(bhq)2(μ-dppm)], 1b, in which ppy = 2-phenylpyridyl, bhq = benzo{h}quinoline and dppm = bis(diphenylphosphino)methane, were synthesized by the reaction of [PtMe(SMe2)(ppy)] or [PtMe(SMe2)(bhq)] with 1/2 equiv of dppm at room temperature, respectively. Complexes 1a and 1b were fully characterized by multinuclear (1H, 31P, 13C, and 195Pt) NMR spectroscopy and were further identified by single crystal X-ray structure determination. A comparison of the intramolecular Pt–Pt and π–π interactions in complexes 1a and 1b has been made on the basis of data on crystal structures and wave functions analysis. The binuclear complexes 1a and 1b are luminescent in the solid state, and showing relatively intense orange–red emissions stemming from 3MMLCT excited states. The reaction of complex 1b with excess MeI gave the binuclear cyclometalated Pt(IV)–Pt(IV) complex [Pt2Me4(bhq)2(μ-I)2], 2. Crystal structure of complex 2 shows intermolecular C–H⋯I and C–H⋯π interactions in solid state.

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Language(s): eng - English
 Dates: 2011-08-052011
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1039/C1DT10834D
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Title: Dalton Transactions
Source Genre: Journal
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Pages: - Volume / Issue: 40 Sequence Number: - Start / End Page: 9123 - 9130 Identifier: -