Novel neutral lanthanide complexes of 5-aryl-2,2 `-bipyridine-6 `-carboxylic acids with improved photophysical properties / Kopchuk Dmitry S.,Krinochkin Alexey P.,Kozhevnikov Dmitry N.,Slepukhin Pavel A. // POLYHEDRON. - 2016. - V. 118, l. . - P. 30-36.

ISSN/EISSN:

0277-5387 / нет данных

Type:

Article

Abstract:

By means of ``1,2,4-triazine{''} strategy new 2,2'-bipyridine-type lanthanide ligands, i.e. 5-aryl-2,2'-bipyridine-6'-carboxylic acids and its cycloalkane-annulated derivatives, i.e. 6-(4-aryl-6,7-dihydro-5H-cyclopenta{[}c]pyridin-1-yl)picolinic acids, have been synthesized, and their luminescent neutral lanthanide complexes have been prepared. Due to the presence of an annulated cyclopentene fragment the last ligand lanthanide complexes exhibited high solubility in non-polar solvents. In comparison with early published chelates the herein reported complexes exhibit improved photophysical properties in non polar solvents namely more pronounced bathochromic shift in absorption spectra and higher europium luminescence quantum yields. The structures of two europium complexes have been confirmed based on X-ray diffraction analysis. (C) 2016 Elsevier Ltd. All rights reserved.

Author keywords:

5-Aryl-2,2 `-bipyridine-6 `-carboxylic acids; Luminescence; Lanthanide complexes aza-Diels-Alder reaction; 1,2,4-Triazine

DOI:

10.1016/j.poly.2016.07.025

Web of Science ID:

ISI:000385596400005

Соавторы в МНС:

Другие поля

Поле	Значение
Month	NOV 4
Publisher	PERGAMON-ELSEVIER SCIENCE LTD
Address	THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Language	English
Research-Areas	Chemistry; Crystallography
Web-of-Science-Categories	Chemistry, Inorganic \& Nuclear; Crystallography
Author-Email	dkopchuk@mail.ru
Funding-Acknowledgement	Russian Scientific Fund {[}15-13-10033]
Funding-Text	This work was supported by the Russian Scientific Fund (Grant \# 15-13-10033).
Number-of-Cited-References	9
Usage-Count-Last-180-days	4
Usage-Count-Since-2013	13
Journal-ISO	Polyhedron
Doc-Delivery-Number	DZ1KD