Anion-Directed Self-Assembly of Flexible Ligands into Anion-Specific and Highly Symmetrical Organic Solids


  • The authors thank the Ministry of Science, Education and Sports of the Republic of Croatia for financial support (grant nos. 119-1193079-1084 and 119-1191342-1082).


original image

One ring to rule them out: Preorganization of simple polyamine podands in the presence of nitrate or sulfate affords a new kind of C3-symmetrical supramolecular ring. Although not rigid, the ring's cavity is stabilized by a network of noncovalent interactions and displays an amazing level of selectivity for these two anions in a number of competitive anion/solvent environments.