Ternary Eu(<scp>iii</scp>) and Tb(<scp>iii</scp>) β-diketonate complexes containing chalcones: photophysical studies and biological outlook
作者:Zafar Abbas、Srikanth Dasari、Ashis K. Patra
DOI:10.1039/c7ra08543e
日期:——
Four ternary lanthanide(III) complexes, namely [Eu(Anpp)(TTA)3] (1), [Tb(Anpp)(TTA)3] (2), [Eu(Pypp)(TTA)3] (3) and [Tb(Pypp)(TTA)3] (4), [TTA = 1,1,1-trifluoro-3-(2-theonyl)acetone, Anpp = 3-(anthracen-9-yl)-1-(pyridine-2-yl)prop-2-en-1-one, Pypp = 3-(pyren-1-yl)-1-(pyridine-2-yl)prop-2-en-1-one] were designed, synthesized and characterized by various spectroscopic techniques like FT-IR, 1H-NMR, ESI-MS
四种三价镧系元素(III)络合物,即[Eu(Anpp)(TTA)3 ](1),[Tb(Anpp)(TTA)3 ](2),[Eu(Pypp)(TTA)3 ](3)和[Tb(Pypp)(TTA)3 ](4),[TTA = 1,1,1-三氟-3-(2- theonyl)丙酮,Anpp = 3-(蒽-9-基)-1-(设计了吡啶-2-基)丙-2-烯-1-酮,Pypp = 3-(吡啶-1-基)-1-(吡啶-2-基)丙-2-烯-1-酮],通过各种光谱技术(例如FT-IR,1 H-NMR,ESI-MS,UV-Vis和光谱发射研究)合成和表征。[Eu(Pypp)(TTA)3 ](3)在结构上进行了表征,显示了八个配位的EuN具有一个N,O-供体查尔酮和三个O,O-供体β-二酮酸酯配体的1 O 7 }方形反棱镜几何。确定了详细的光物理性质,如激发态寿命( τ)和水合数( q)。三种TTA配体的存在可抑制非辐射失活,其在H