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4,4'-双(三氟甲基)-2,2'-联吡啶——一种用于镧系元素发光/¹⁹F NMR探针的多功能配体支架

4,4'-Bis(trifluoromethyl)-2,2'-bipyridine--a multipurpose ligand scaffold for lanthanoid-based luminescence/19F NMR probes.

作者信息

Güden-Silber Tuba, Klein Kathrin, Seitz Michael

机构信息

Inorganic Chemistry I, Department of Chemistry and Biochemistry, Ruhr-University Bochum, 44780 Bochum, Germany.

出版信息

Dalton Trans. 2013 Oct 14;42(38):13882-8. doi: 10.1039/c3dt50842k. Epub 2013 Aug 7.

DOI:10.1039/c3dt50842k
PMID:23922033
Abstract

The tetradentate ligand 4,4'-bis(trifluoromethyl)-2,2'-bipyridine-6,6'-dicarboxylic acid (H(2)1) and three corresponding anionic rare earth complexes RE(1)2 (RE = Y, Tb, Dy) were synthesized. The terbium and dysprosium complexes show lanthanoid-centered luminescence in aqueous solution, as well as paramagnetically enhanced longitudinal magnetic relaxation of the (19)F nuclei.

摘要

合成了四齿配体4,4'-双(三氟甲基)-2,2'-联吡啶-6,6'-二羧酸(H₂1)以及三种相应的稀土阴离子配合物[RE(1)₂]⁻(RE = Y、Tb、Dy)。铽和镝配合物在水溶液中表现出以镧系元素为中心的发光,以及¹⁹F核的顺磁增强纵向磁弛豫。

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