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

URN zum Zitieren dieses Dokuments:

urn:nbn:de:bvb:355-epub-341236 Copy

DOI zum Zitieren dieses Dokuments:

10.5283/epub.34123 Copy

Jamali, S. ; Czerwieniec, Rafal ; Kia, Reza ; Jamshidi, Zahra ; Zabel, Manfred

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Lizenz: Allianz- bzw. Nationallizenz PDF - Veröffentlichte Version (494kB)

Veröffentlichungsdatum dieses Volltextes: 25 Jul 2016 08:57

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Details

Dokumentenart:	Artikel
Open Access Art:	Allianz-/Nationallizenz
Titel eines Journals oder einer Zeitschrift:	Dalton Transactions
Verlag:	Royal Society of Chemistry (RSC)
Band:	40
Seitenbereich:	S. 9123-9130
Datum:	2011
Institutionen:	Chemie und Pharmazie > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Molecular Spectroscopy and Photochemistry) > Prof. Dr. Hartmut Yersin
Identifikationsnummer:	Wert Typ 10.1039/c1dt10834d DOI
Dewey-Dezimal-Klassifikation:	500 Naturwissenschaften und Mathematik > 540 Chemie
Status:	Veröffentlicht
Begutachtet:	Ja, diese Version wurde begutachtet
An der Universität Regensburg entstanden:	Ja
Dokumenten-ID:	34123

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Zusammenfassung

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, ...

Zusammenfassung

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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