Cyclometalated Platinum(II) Complexes of 1,3-Bis(1-<i>n</i>-butylpyrazol-3-yl)benzenes: Synthesis, Characterization, Electrochemical, Photophysical, and Gelation Behavior Studies
作者:Yeye Ai、Yongguang Li、Huiqing Ma、Cheng-Yong Su、Vivian Wing-Wah Yam
DOI:10.1021/acs.inorgchem.6b02033
日期:2016.11.21
platinum(II) complexes of N^C^N ligands, where N^C^N = 1,3-bis(1-n-alkylpyrazol-3-yl)benzene (bpzb), namely, [Pt(bpzb)Cl] (1 and 2) and [Pt(bpzb)(C≡C–R)] (3–10) (R = C6H5, C6H4–OCH3-p, C6H4–NO2-p, C6H4–NH2-p, 4-cholesteryl phenyl carbamate, and cholesteryl methylcarbamate) were synthesized and characterized. Their electrochemical and photophysical properties were investigated. Two of the platinum(II) complexes
N ^ C ^ N配体的一系列新的环金属化铂(II)配合物,其中N ^ C ^ N = 1,3-双(1- n-烷基吡唑-3-基)苯(bpzb),即[Pt (bpzb)Cl](1和2)和[Pt(bpzb)(C≡C–R)](3 – 10)(R = C 6 H 5,C 6 H 4 –OCH 3 - p,C 6 H 4 –NO 2 - p,C 6 H 4 –NH 2 - p合成并表征了4-胆固醇氨基甲酸酯苯基和胆固醇甲基甲酸酯。研究了它们的电化学和光物理性质。X射线晶体学还对其中两种铂(II)配合物进行了结构表征,并观察到了短分子间C–H···Pt接触。在溶液状态下观察到由三重态IL(3 IL)激发的bpzb配体的振动态结构,并混合了3个MLCT [dπ(Pt)→π*(bpzb)]特征。有趣的是,配合物5显示出低能量发射,其源自对硝基苯基乙炔基配体的参与。综合大楼9 发现具有疏水性胆甾醇的4-乙炔