A new dioxotetraamine ligand appended with fluorenyl and its copper(II) complex. Synthesis, crystal structure and solution behavior

被引:15
作者
Jiang, LJ
Luo, QH [1 ]
Duan, CY
Shen, MC
Hu, HW
Liu, YJ
机构
[1] Nanjing Univ, Inst Coordinat Chem, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China
[2] Peking Univ, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
基金
中国国家自然科学基金;
关键词
crystal structures; fluorescence; fluorenyl complexes; copper complexes;
D O I
10.1016/S0020-1693(99)00305-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new dioxotetraamine ligand 6-(9-fluorenyl)-1,4,8,11-tetraazaundecane-5,7-dione (L) and its copper(II) complex have been synthesized. Detailed studies have been made on solution chemistry of Cu(II), Ni(II) and Co(II) complexes of the ligand by pH-potentiometric and fluorimetric titration as well as cyclic voltammetry. The coordination of Cu2+ and Ni(2+)quenches the fluorescence of fluorenyl in the ligand through an electron transfer mechanism. The crystal structure of [Cu(H-2L)] was determined. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:48 / 55
页数:8
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