So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Li, Ying-Ying; Ren, Ning; He, Shu-Mei; Wang, Shu-Ping; Zhang, Jian-Jun researched the compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1 ).HPLC of Formula: 1762-34-1.They published the article 《Construction of lanthanide complexes supported by 2,3-dimethoxybenzoic acid and 5,5′-dimethyl-2,2′-bipyridine: crystal structures, thermoanalysis, magnetic and fluorescence properties》 about this compound( cas:1762-34-1 ) in Applied Organometallic Chemistry. Keywords: lanthanide dimethoxybenzoate dimethybipyridine complex preparation crystal mol structure; thermoanalysis magnetic fluorescence property lanthanide dimethoxybenzoate dimethybipyridine complex. We’ll tell you more about this compound (cas:1762-34-1).
A series of novel trivalent lanthanide complexes, [Ln(2,3-DMOBA)3(5,5′-DM-2,2′-bipy)]2·C2H5OH (Ln = Eu (1), Sm (2), Gd (3), Ho (4) Er (5), Pr (6), Nd (7)) (2,3-DMOBA = 2,3-dimethoxybenzoate, 5,5′-DM-2,2′-bipy = 5,5′-dimethyl-2,2′-bipyridine), have been successfully synthesized and structurally validated by single crystal diffraction. All complexes discussed herein feature a binuclear structure, and contain only one free ethanol mol., which is interesting in the lanthanide complexes. The coordination number of center Ln3+ ions is nine, showing a distorted monocapped square anti-prismatic coordination geometry. Through a pair of alternating identical C-H···O hydrogen bonding interactions between two 2,3-DMOBA ligands on the same lanthanum binuclear unit with 5,5′-DM-2,2′-bipy ligands on two neighboring units, the binuclear complexes can form one- The thermal anal. of these complexes are investigated by TG-DSC/FTIR, the result show that the decomposition process of complexes are mainly divided into four stages with the formation of the resp. oxides. The visible light emission experiment of complex 1 is carried out, and the characteristic luminescence behavior of intense red light is exhibited. What’more, fluorescence lifetimes as well as the fluorescent quantum yield of complex 1 is calculated And the magnetic properties of complexes 3-5 are also studied.
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