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Cyclometalated platinum(II) complexes of pyrazole-based, N=C=N-coordinating, terdentate ligands: the contrasting influence of pyrazolyl and pyridyl rings on luminescence.

Abstract:

1,3-Bis(1-pyrazolyl)-5-methyl-benzene, HL(2), undergoes cyclometalation at the C(2) position upon reaction with K(2)PtCl(4), to generate an N=C=N-coordinated complex, PtL(2)Cl. This compound is luminescent in degassed solution at 298 K, emitting in the blue region of the spectrum on the microsecond time scale (lambda(max) = 453 nm, tau = 4.0 micros, Phi(lum) = 0.02, in CH(2)Cl(2)). Compared to the analogous complex Pt(dpyb)Cl that incorporates pyridyl rather than pyrazole rings {dpybH = 1,3-d...

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Publication status:
Published

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Publisher copy:
10.1021/ic8014157

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
Journal:
Inorganic chemistry
Volume:
47
Issue:
23
Pages:
11129-11142
Publication date:
2008-12-05
DOI:
EISSN:
1520-510X
ISSN:
0020-1669
URN:
uuid:6aa17554-28cd-4eea-af71-9c0425d866fc
Source identifiers:
117136
Local pid:
pubs:117136
Language:
English

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