4.5 Article

Ruthenium(III) 2-(aminofluoreneazo)phenolate complexes: Synthesis, characterization, catalytic activity in amidation reaction and Fluorescence quenching studies

Journal

JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 923, Issue -, Pages -

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2020.121408

Keywords

Ruthenium(III) complex; Azo ligands; Synthesis; Characterization; Aldehyde to amide; Fluorescence quenching

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A series of ruthenium(III)24 ami no fluo reneazo 1pheno late complexes with general formula [RuCl(PPh3)(2)(L1-5)] (1 5) (L = 2-(aminofluoreneazo)phenolate ligands) have been synthesized. The characterization of the synthesized complexes was accomplished by elemental analysis, spectroscopic (FT-IR, UV-Vis, Fluorescence and EPR) and ESI-MStechniques. The catalytic performance of one of the synthesized complexes 3 for the amidation of aldehyde in the presence of NaHCO3/NH2OH center dot HCl has been evaluated. The fluorescence emission of complexes [RuCl(PPh3)(2)(L-2)] (2) and [RuCl(PPh3)(2)(L-3) (3)] are effectively quenched by 1,4-benzoquinone and 1,4-naphthoquinone in acetonitrile medium. (C) 2020 Published by Elsevier B.V.

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