Copper(I) complexes of 8-(diphenylphosphanyl-oxy)-quinoline : Photophysics, structures and reactivity

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Wallesch , M , Nieger , M , Volz , D & Bräse , S 2017 , ' Copper(I) complexes of 8-(diphenylphosphanyl-oxy)-quinoline : Photophysics, structures and reactivity ' , Inorganic Chemistry Communications , vol. 86 , pp. 232-240 . https://doi.org/10.1016/j.inoche.2017.10.012

Title: Copper(I) complexes of 8-(diphenylphosphanyl-oxy)-quinoline : Photophysics, structures and reactivity
Author: Wallesch, Manuela; Nieger, Martin; Volz, Daniel; Bräse, Stefan
Contributor: University of Helsinki, Department of Chemistry
Date: 2017-12
Language: eng
Number of pages: 9
Belongs to series: Inorganic Chemistry Communications
ISSN: 1387-7003
URI: http://hdl.handle.net/10138/309255
Abstract: Copper(I) complexes are studied for various potential applications due to their luminescence properties. However, issues have been identified regarding the stability of heteroleptic compounds. As a novel strategy, we propose to modify existing copper(I) complexes by introduction of molecular bridges between the different ligands. We report the synthesis and chemical properties of the complexes of 8-(diphenylphosphanyl-oxy)quinoline (POQ), a combination of a phosphine and a N-heterocycle with CuX (X = Cl, Br, I and SCN). The photophysical properties of the materials were studied. However, all four compounds were found to be labile in solution upon contact with trace amounts of water. Two POQ complexes and the decomposition products were identified as tetraphenyldiphosphoxane complexes with single crystal X-ray diffraction. We propose a design rule to prevent this behavior in future development steps. (C) 2017 Published by Elsevier B.V.
Subject: Copper(I) complex
Degradation
Multinuclear
Pop
PPO
POQ
LEWIS-BASE ADDUCTS
GROUP-1B METAL(I) COMPOUNDS
MAGNETIC-RESONANCE SPECTRA
LIGHT-EMITTING-DIODES
CRYSTAL-STRUCTURES
LUMINESCENCE PROPERTIES
SUBSTITUTED PYRIDINE
NITROGEN BASE
LIGANDS
BLUE
116 Chemical sciences
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