期刊
CHEMISTRYOPEN
卷 5, 期 1, 页码 10-32出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/open.201500171
关键词
chelate cooperativity; hydrogen bonds; macrocycles; self-assembly; supramolecular chemistry
资金
- European Research Council (ERC-StG) [279548]
- Spanish Ministry of Economy and Competitiveness (MINECO) [CTQ2011-23659, CTQ2014-57729-P]
- European Research Council (ERC) [279548] Funding Source: European Research Council (ERC)
Cyclization into closed assemblies is the most recurrent approach to realize the noncovalent synthesis of discrete, well-defined nanostructures. This review article particularly focuses on the noncovalent synthesis of monocyclic hydrogen-bonded systems that are self-assembled from a single molecule with two binding-sites. Taking advantage of intramolecular binding events, which are favored with respect to intermolecular binding in solution, can afford quantitative amounts of a given supramolecular species under thermodynamic control. The size of the assembly depends on geometric issues such as the monomer structure and the directionality of the binding interaction, whereas the fidelity achieved relies largely on structural preorganization, low degrees of conformational flexibility, and templating effects. Here, we discuss several examples described in the literature in which cycles of different sizes, from dimers to hexamers, are studied by diverse solution or surface characterization techniques.
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