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Ruthenium(III) 2-(aminofluoreneazo)phenolate complexes: Synthesis, characterization, catalytic activity in amidation reaction and Fluorescence quenching studies
Journal of Organometallic Chemistry ( IF 2.3 ) Pub Date : 2020-07-12 , DOI: 10.1016/j.jorganchem.2020.121408
Muniyappan Thirumal , Anbazhagan Venkattappan , Galmari Venkatachalam

A series of ruthenium(III)2-(aminofluoreneazo)phenolate complexes with general formula [RuCl(PPh3)2(L1-5)] (15) (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·HCl has been evaluated. The fluorescence emission of complexes [RuCl(PPh3)2(L2)] (2) and [RuCl(PPh3)2(L3) (3)] are effectively quenched by 1,4-benzoquinone and 1,4-naphthoquinone in acetonitrile medium.



中文翻译:

2-(氨基芴基偶氮)酚钌(III)配合物:酰胺化反应的合成,表征,催化活性和荧光猝灭研究

一系列钌(III)2-(aminofluoreneazo)苯酚配合物与通式将[RuCl(PPH 32(L 1-5)](1 - 5)(L = 2-(aminofluoreneazo)酚盐配体)已合成。合成的配合物的表征是通过元素分析,光谱学(FT-IR,UV-Vis,荧光和EPR)和ESI-MS技术完成的。评估了在NaHCO 3 / NH 2 OH·HCl存在下合成的配合物3之一对醛酰胺化的催化性能。配合物[RuCl(PPh 32(L 2)]的荧光发射(2)和[RuCl(PPh 32(L 3)(3)]在乙腈介质中被1,4-苯醌和1,4-萘醌有效淬灭。

更新日期:2020-07-14
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