Dynamic Molecular Recognition in Solid State for Separating Mixtures of Isomeric Dicarboxylic Acids

Flexible even if constrained: A polyamine host recognizes dicarboxylic acids in solution and in the solid state, with the highest selectivity towards maleic acid, binding it from mixtures with up to five other dicarboxylic acids, including fumaric acid (see picture). Recognition using mechanochemist...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2013-05, Vol.52 (21), p.5504-5508
Main Authors: Užarević, Krunoslav, Halasz, Ivan, Đilović, Ivica, Bregović, Nikola, Rubčić, Mirta, Matković-Čalogović, Dubravka, Tomišić, Vladislav
Format: Article
Language:English
Subjects:
Crystallization
Dicarboxylic acids
Dicarboxylic Acids - chemistry
Dicarboxylic Acids - isolation & purification
Dynamics
green chemistry
Isomerism
Maleic acid
Mechanochemistry
Models, Molecular
Molecular Probe Techniques
Molecular Probes - chemistry
molecular receptors
molecular recognition
organic isomers
Phase Transition
Phases
Polyamines - chemistry
Recognition
selective mechanochemistry
Selectivity
Solid state
Solutions
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Summary:Flexible even if constrained: A polyamine host recognizes dicarboxylic acids in solution and in the solid state, with the highest selectivity towards maleic acid, binding it from mixtures with up to five other dicarboxylic acids, including fumaric acid (see picture). Recognition using mechanochemistry is a dynamic process involving intermediate phases, resulting in the same selectivity as achieved by crystallization from solution.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201301032