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Volumn 14, Issue 31, 2008, Pages 9482-9486

Platinum(II) complexes with non-innocent ligands: Solid-phase synthesis, redox chemistry and luminescence

Author keywords

Dioxolene ligands; Luminescence; Platinum; Radicals; Solid phase synthesis

Indexed keywords

BAND STRUCTURE; CARBONATE MINERALS; CHELATION; COMPLEXATION; ELECTROMAGNETIC WAVES; LIGANDS; LIGHT EMISSION; LIGHT SOURCES; LUMINESCENCE; ORGANIC POLYMERS; PHENOLS; PLATINUM; REDOX REACTIONS;

EID: 55049139968     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200801288     Document Type: Article
Times cited : (26)

References (45)
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    • FAB+ mass spectra show peaks of the respective molecular cations at m/z, 614 [H-1, m/z, 604 [H-2+H, m/z, 1019 [H-3, and m/z, 627 [Me-1, with correct isotopic distribution and appropriate high resolution: m/z obsvd/calcd, 613.1958/613.1904 [Ca26H30N 2O3 195Pt, H-1], 604.0950/604.0948 [C24H17N4O3 195Pt, H-2+H], 1019.2058/1019.2060 [C 38H37N4O5 195Pt 2, H-3+H], 627.2072/627.2061 [C27H 32N2O3 195Pt, Me-1], 1H NMR spectra substantiate the composition of the compounds. The low solubility prevented acquisition of meaningful 13NMR spectra
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    • Similarly, deprotonation of diimine ligands in (2,2′-bipyridyl-5, 5′-dicarboxylic acid)(3,4-tolyldithiolato)plalinum(II) results in a hypsochromic shift of the LLCT band: E. A. M. Geary, N. Hirata, J. Clifford, J. R. Durrant, S. Parsons, A. Dawson, L. J. Yellowlees, N. Robertson, Dalton Trans. 2003, 3757-3762.
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    • Biexponential decay curves were observed which might be explained by formation of oligomers and/or excimers: τ1, 4.2ns (47, τ2, 1.6ns (53, τav, 2.9 ns (1, τ1, 3.8 ns (57, τ2=1.3 ns (47, τav=2,8 ns (2, τ1, 3.8 ns (63, τ2, 0.7 ns (37, τav, 2.7 ns 3
    • -)
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    • Bis(oxinato)metal complexes possess ILCT states ILCT=intrali-
    • Bis(oxinato)metal complexes possess ILCT states (ILCT=intrali-
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    • 3CT(phenolate/diimine) states have been described for platinum(II) complexes with rigid tetradentate N,O ligands: Y.-Y. Lin, S.-C. Chan, M. C. W. Chan, Y.-J. Hou, N. Zhu, C.-M. Che, Y. Liu, Y. Wang, Chem. Eur. J. 2003, 9, 1263-1272.
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    • It is well known that rigidification of a molecule reduces molecular vibrations, suppresses internal conversion of the excited state to the ground state and thus raises the quantum yield: a R. Pattacini, C. Giansante, P. Ceroni, M. Maestri, P. Braunstein, Chem. Eur. J. 2007, 13, 10117-10128;
    • It is well known that rigidification of a molecule reduces molecular vibrations, suppresses internal conversion of the excited state to the ground state and thus raises the quantum yield: a) R. Pattacini, C. Giansante, P. Ceroni, M. Maestri, P. Braunstein, Chem. Eur. J. 2007, 13, 10117-10128;
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    • However, bis(dithiooxamidato)platinum(II) complexes display a charge-transfer phosphorescence only the presence of acids: G. Rosace, G. Giuffrida, M. Saitta, G. Guglielmo, S. Campagna, S. Lanza, Inorg. Chem. 1996, 35, 6816-6822.
    • However, bis(dithiooxamidato)platinum(II) complexes display a charge-transfer phosphorescence only the presence of acids: G. Rosace, G. Giuffrida, M. Saitta, G. Guglielmo, S. Campagna, S. Lanza, Inorg. Chem. 1996, 35, 6816-6822.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.