The story of a flexible receptor: from self-assembly strategies to succesful separation of isomeric dicarboxylic acids (CROSBI ID 686486)
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Podaci o odgovornosti
Đilović, Ivica
engleski
The story of a flexible receptor: from self-assembly strategies to succesful separation of isomeric dicarboxylic acids
In our recent studies of binding of environmentally relevant anions, flexible polyamine receptor (derived from dehydracetic acid) was found to display a remarkable adaptability towards diverse inorganic or organic anions, with high peak-selectivity for hydrogenmaleate, sulphate and nitrate (see figure). Selectivity in separation of nitrates and sulphates has been achieved only upon crystallization, even in the presence of high concentrations of competitive anions. My talk will cover mainly structural aspects of binding modes of a receptor in complexes with anions. The interplay between anion coordination potential and receptor's plasticity will be discussed in terms of self-assembly strategies for providing the most favourable surrounding for anion inclusion, both in solution and in the solid state. In addition, I will show how anion recognition and separation of isomeric dicarboxylic acids can be performed effectively in the solid state with the same selectivity bias as obtained by solution crystallization.
flexible receptors, small molecules, structure
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Podaci o prilogu
2015.
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Podaci o matičnoj publikaciji
Podaci o skupu
American Crystallographic Association Annual Meeting
pozvano predavanje
25.07.2015-29.07.2015
Philadelphia (PA), Sjedinjene Američke Države