Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 303, Issue -, Pages 125-131Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0925-8388(00)00618-6
Keywords
lanthanides; rare earths; hemicyanine; stilbazolium; dye stuff; solvatochromism
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The synthesis, thermal and spectroscopic properties of 28 rare-earth containing stilbazolium dyes are described. The complexes are prepared by reaction of the corresponding stilbazolium bromide (hemicyanine bromide) with a lanthanide salt and with a pyrazolone or a P-diketone. The bromide is replaced by a tetrakis pyrazolonato or by a tetrakis beta-diketonato lanthanide(III) counter ion. (C) 2000 Elsevier Science S.A. All rights reserved.
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