A Tetranuclear CuII-Based 2D Aggregate with an Unprecedented Tetradentate μ4-N1,N3,N7,N9-Adeninate Nucleobase

被引：41
|
作者：
Yang, En-Cui [1 ]
Zhao, Hong-Kun [1 ]
Feng, Yan [1 ]
Zhao, Xiao-Jun [1 ]
机构：
[1] Tianjin Normal Univ, Coll Chem & Life Sci, Tianjin Key Lab Struct & Performance Funct Mol, Tianjin 300387, Peoples R China
来源：
INORGANIC CHEMISTRY | 2009年 / 48卷 / 08期
基金：
中国国家自然科学基金;
关键词：
METAL-ION INTERACTIONS; TREN LIGAND-SYSTEM; NUCLEIC-ACID BASES; CRYSTAL-STRUCTURE; INTERLIGAND INTERACTIONS; COORDINATION CHEMISTRY; COPPER(II) COMPLEXES; ADENINE; POLYMER; TETRAHYDRATE;
D O I：
10.1021/ic900113e
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A unique tetranuclear Cu-II-based 2D aggregate containing 26-membered Cu(II)ade macrocycles, [Cu-4(DMF)(6)(mu(4)-ade)(2)(mu(2)-Cl)(2)Cl-4](n) (1; Hade = adenine, DMF = N,N-dimethylformamide), was isolated by the reaction of CuCl2 and Hade in a mixed DMF-methanol medium and structurally characterized by X-ray crystallography, elemental analysis, Fourier transform infrared, fluorescence spectroscopy, and thermogravimetry-differential thermal analysis techniques. Unexpectedly, the adeninate in 1 represents an unprecedented tetradentate mu(4)-N1,N3,N7,N9-bridging mode, which significantly contributes to both the aggregate of four Cull cores within the subunit and the extension of the 2D covalent framework. Additionally, I displays the intense Hade-based fluorescence emission in solution at room temperature.
引用
收藏
页码：3511 / 3513
页数：3
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