Coordination Polymers in Selective Separation of Cations and Anions: A Series of Rarely Observed All Helical Three-Dimensional Coordination Polymers Derived from Various Chiral Amino Acid Based Bis-pyridyl-bis-amide Ligands

被引:15
作者
Banerjee, Subhabrata [1 ]
Dastidar, Parthasarathi [1 ]
机构
[1] IACS, Dept Organ Chem, Jadavpur Kolkata 700032, W Bengal, India
关键词
METAL-ORGANIC FRAMEWORKS; DRINKING-WATER; BINDING SITE; STABILITY; EXCHANGE; FLUORIDE;
D O I
10.1021/cg201161q
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A series of CuII coordination polymers [{Cu(mu L1)(2)Br-2}center dot 2H(2)O](infinity) CP1, [{Cu(mu L2)(2)center dot H2O center dot Br} center dot Br center dot 4H(2)O](infinity) CP2, [{Cu(mu L3)(2)Br-2} center dot 2H(2)O](infinity) CP3, [{Cu(mu L3)(2)Cl-2} center dot 2H(2)O](infinity) CP4, derived from bis-pyridyl-bis-amide ligands having a natural L-amino acid backbone have been synthesized and characterized by single crystal X-ray diffraction. Environmentally relevant cations (Cu-II) and anions (Br- have been separated selectively from complex mixtures of cations (Cu-II, Co-II, and Zn-II) and anions (Br-, NO3-, SO42-, ClO4- and BF4-) via an in situ crystallization technique in separate experiments, respectively. Such separation of cations by in situ crystallization of coordination polymers represents the first example in the literature.
引用
收藏
页码:5592 / 5597
页数:6
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