期刊
INORGANIC CHEMISTRY
卷 48, 期 8, 页码 3511-3513出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic900113e
关键词
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资金
- National Natural Science Foundation of China [20871092, 20703030]
- Natural Science Foundation of Tianjin [07QTPTJC29800]
- Tianjin Educational Committee [2006ZD07]
- Program for New Century Excellent Talents in University
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.
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