Synthesis, Structure, and Photophysical Properties of Blue‐Emitting Zinc(II) Complexes with 3‐Aryl‐Substituted 1‐Pyridylimidazo[1,5‐
<i>a</i>
]pyridine Ligands
作者:G. Attilio Ardizzoia、Stefano Brenna、Sara Durini、Bruno Therrien、Mattia Veronelli
DOI:10.1002/ejic.201402415
日期:2014.9
Six zinc(II) complexes of the general formula [Zn(LR)X2] (1: R = Me, X = Cl; 2: R = Me, X = Br; 3: R = Me, X = I; 4: R = OH, X = Cl; 5: R = OH, X = Br; 6: R = OH, X = I), in which LR is 1-(pyridin-2-yl)-3-o-tolylimidazo[1,5-a]pyridine (LMe) or 2-[1-(pyridin-2-yl)imidazo[1,5-a]pyridin-3-yl]phenol (LOH), have been prepared and characterized. The X-ray structural analysis performed on complexes 1, 3, and
六种锌(II)配合物的通式为[Zn(LR)X2] (1: R = Me, X = Cl; 2: R = Me, X = Br; 3: R = Me, X = I; 4: R = OH,X = Cl;5:R = OH,X = Br;6:R = OH,X = I),其中 LR 为 1-(pyridin-2-yl)-3-o-tolylimidazo[1 ,5-a] 吡啶 (LMe) 或 2-[1-(pyridin-2-yl)imidazo[1,5-a]pyridin-3-yl] 苯酚 (LOH) 已被制备和表征。对配合物 1、3 和 4 进行的 X 射线结构分析表明,LMe 和 LOH 均作为 N,N-双齿配体并通过吡啶环 (Npy) 和类吡啶氮原子与 ZnII 金属中心配位咪唑并[1,5-a]吡啶基团(Nim)。已经研究了这些化合物在溶液和固态中的光物理性质。当用紫外光 (λexc = 366–410