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New Heteroaromatic Complexing Agents and Luminescence of Their Europium(III) and Terbium(III) Chelates

✍ Scribed by Veli-Matti Mukkala; Christian Sund; Marek Kwiatkowski; Paavo Pasanen; Marita Högberg; Jouko Kankare; Harri Takalo

Publisher
John Wiley and Sons
Year
1992
Tongue
German
Weight
793 KB
Volume
75
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Twelve heteroaromatic complexing agents 9a–I were synthesized with the purpose to develop suitable labels for time‐resolved luminescence‐based bioaffinity assays. The relative luminescence yields, excitation maxima, and emission decay constants of their europium(III) and terbium(III) chelates were determined. According to these results, 2,2′,2″,2‴‐[(2,2′‐bipyridine‐6,6′‐diyl)bis(methylenenitrilo)]tetrakis (acetic acid) (9e) and 2,2′,2″,2‴‐[(2,2′:6′,2″‐terpyridine‐6,6″‐diyl)bis(methylenenitrilo)] tetrakis(acetic acid) (91) are the most promising agents.

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