Structure and Properties of Diastereoisomers of a Ruthenium(II) Complex Having a Pyridylpyrazoline Derivative as a Ligand

Diastereoisomers of a heteroleptic ruthenium complex, [Ru(bpy)2L]2+ (bpy = 2,2′-bipyridine, L = 5-(4-nitrophenyl)-1-phenyl-3-(2-pyridyl)-2-pyrazoline) have been isolated. Two isomers have quite similar redox potentials and show MLCT absorptions in the region of 400 to 500 nm with similar absorption...

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Published in:Chemistry letters 2001-09, Vol.30 (9), p.940-941
Main Authors: Wang, Pengfei, Onozawa-Komatsuzaki, Nobuko, Katoh, Ryuzi, Himeda, Yuichiro, Sugihara, Hideki, Arakawa, Hironori, Kasuga, Kazuyuki
Format: Article
Language:English
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Summary:Diastereoisomers of a heteroleptic ruthenium complex, [Ru(bpy)2L]2+ (bpy = 2,2′-bipyridine, L = 5-(4-nitrophenyl)-1-phenyl-3-(2-pyridyl)-2-pyrazoline) have been isolated. Two isomers have quite similar redox potentials and show MLCT absorptions in the region of 400 to 500 nm with similar absorption maxima at room temperature. By contrast, quite different emission maxima and lifetimes are observed at 77 K.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2001.940