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Synthesis, photophysical properties and cation-binding studies of bipyridine-functionalized gold(I) complexes
Inorganic Chemistry Frontiers ( IF 6.1 ) Pub Date : 2017-11-03 00:00:00 , DOI: 10.1039/c7qi00514h
Igor V. Solovyev 1, 2, 3, 4, 5 , Aleksandar Kondinski 6, 7, 8, 9 , Kirill Yu. Monakhov 6, 7, 8, 9 , Igor O. Koshevoy 5, 10, 11, 12 , Elena V. Grachova 1, 2, 3, 4
Affiliation  

Gold(I) has been used as an interlocking center to design five phenyl-bipyridine based complexes [LAu(L1)] and [RAu(L2)] where L1 = 5-(4-ethynylphenyl)-2,2′-bipyridine and L2 = 5-(4-(diphenylphosphino)phenyl)-2,2′-bipyridine (L = P(C6H11)3, 1; C6H3(CH3)2NC, 2; R = Ph2OHCC2, 3; PhC2, 4; C6F5, 5). The obtained compounds have been characterized by polynuclear NMR spectroscopy and X-ray crystallography. Investigation of their UV-Vis absorption and emission characteristics has been supported by density functional theory (DFT) calculations that rationalize the tunable electronic properties of these compounds. Complexation of the metal cations and the corresponding optical responses of [LAu(L1)], in particular for Cd(II) and Pb(II), indicate the important role of gold(I) ions in modulating the luminescence characteristics of these species upon binding the analyte cations.

中文翻译:

联吡啶官能化的金(I)配合物的合成,光物理性质和阳离子结合研究

金(I)已被用作一个互锁中心来设计五种基于苯基联吡啶的配合物[LAu(L1)]和[RAu(L2)],其中L1 = 5-(4-乙炔基苯基)-2,2'-联吡啶和L2 = 5-(4-(二苯基膦基)苯基)-2,2'-联吡啶(L = P(C 6 H ^ 1131 ; C ^ 6 ħ 3(CH 32 NC,2 ; R =苯基2 OHCC 23 ;光子晶体24 ; C ^ 6 ˚F 55)。所获得的化合物已经通过多核NMR光谱和X射线晶体学进行了表征。密度泛函理论(DFT)计算支持了对它们的UV-Vis吸收和发射特性的研究,这些计算合理化了这些化合物的可调电子性能。金属阳离子的络合以及[LAu(L1)]的相应光学响应,特别是对于Cd(II)和Pb(II)而言,表明金(I)离子在调节这些物种的发光特性时起着重要作用。结合分析物阳离子。
更新日期:2017-11-22
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