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Issue 18, 2018
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Providing evidence for the requirements to achieve supramolecular materials based on metal–nucleobase entities

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Abstract

Nucleobases are known as suitable builders of porous materials not only due to their high number of heteroatoms leading to different coordination modes, but also because they establish strong and predictable supramolecular interactions. In this contribution, nucleobases (adenine and guanine), functionalized nucleobases (9-methyladenine) and nucleobase derivatives (6-chloropurine) have been evaluated as ligands for the construction of metal–nucleobase building blocks which can afford supramolecular porous materials, analyzing in detail the requirements that these entities must fulfill and pointing out the relevance of accomplishing the suggested requisites. More concisely, we have evaluated a paddle-wheel shaped dimeric entity, [Cu2(μ-Hade)4Cl2]Cl2·8H2O (1) (where Hade: adenine), a trimeric unit, [Co3(μ-Hade)2(μ-Cl)4Cl2(H2O)4]·2H2O (2), a dimeric entity, [Cu2(Hgua)2(H2gua)2(μ-Cl)2Cl2(H2O)][CuCl4] (3) (where Hgua: guanine, H2gua: guaninium), a monomeric unit with 9-methyladenine as the pendant ligand, [Co(9-Meade)2(H2O)4]Cl2·2H2O (4), zigzag chains, [Cu2(μ-CH3COO)4(μ-9-Meade)]n·nCH3OH (5), and a monomeric unit with 6-chloropurinato ligands, [Co(6-Clpur)2(H2O)4]·4H2O (6).

Graphical abstract: Providing evidence for the requirements to achieve supramolecular materials based on metal–nucleobase entities

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Publication details

The article was received on 29 Jan 2018, accepted on 19 Mar 2018 and first published on 22 Mar 2018


Article type: Paper
DOI: 10.1039/C8CE00141C
Citation: CrystEngComm, 2018,20, 2528-2539
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    Providing evidence for the requirements to achieve supramolecular materials based on metal–nucleobase entities

    J. Thomas-Gipson, G. Beobide, O. Castillo, A. Luque, J. Pascual-Colino, S. Pérez-Yáñez and P. Román, CrystEngComm, 2018, 20, 2528
    DOI: 10.1039/C8CE00141C

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