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Volume 16
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10.3390/ma16103724
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Communication

The Formation of a Unique 2D Isonicotinate Polymer Driven by Cu(II) Aerobic Oxidation

by
Francisco Sánchez-Férez
1,
Teresa Calvet
2,
Mercè Font-Bardia
3 and
Josefina Pons
1,*
1
Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
2
Departament de Mineralogia, Petrologia i Geologia Aplicada, Universitat de Barcelona, Martí i Franquès s/n, 08028 Barcelona, Spain
3
Unitat de Difracció de Raig-X, Centres Científics i Tecnològics de la Universitat de Barcelona (CCiTUB), Universitat de Barcelona, Solé i Sabarís, 1-3, 08028 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Materials 2023, 16(10), 3724; https://doi.org/10.3390/ma16103724
Submission received: 30 March 2023 / Revised: 5 May 2023 / Accepted: 12 May 2023 / Published: 14 May 2023
(This article belongs to the Topic Chemistry of 2D Materials)
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Abstract

The isolation and structural characterization of a unique Cu(II) isonicotinate (ina) material with 4-acetylpyridine (4-acpy) is provided. The formation of [Cu(ina)2(4-acpy)]n (1) is triggered by the Cu(II) aerobic oxidation of 4-acpy using O2. This gradual formation of ina led to its restrained incorporation and hindered the full displacement of 4-acpy. As a result, 1 is the first example of a 2D layer assembled by an ina ligand capped by a monodentate pyridine ligand. The Cu(II)-mediated aerobic oxidation with O2 was previously demonstrated for aryl methyl ketones, but we extend the applicability of this methodology to heteroaromatic rings, which has not been tested so far. The formation of ina has been identified by 1H NMR, thus demonstrating the feasible but strained formation of ina from 4-acpy in the mild conditions from which 1 was obtained.
Keywords: Cu(II) polymers; 2D materials; aerobic oxidation; isonicotinic acid; 4-acetylpyridine Cu(II) polymers; 2D materials; aerobic oxidation; isonicotinic acid; 4-acetylpyridine

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MDPI and ACS Style

Sánchez-Férez, F.; Calvet, T.; Font-Bardia, M.; Pons, J. The Formation of a Unique 2D Isonicotinate Polymer Driven by Cu(II) Aerobic Oxidation. Materials 2023, 16, 3724. https://doi.org/10.3390/ma16103724

AMA Style

Sánchez-Férez F, Calvet T, Font-Bardia M, Pons J. The Formation of a Unique 2D Isonicotinate Polymer Driven by Cu(II) Aerobic Oxidation. Materials. 2023; 16(10):3724. https://doi.org/10.3390/ma16103724

Chicago/Turabian Style

Sánchez-Férez, Francisco, Teresa Calvet, Mercè Font-Bardia, and Josefina Pons. 2023. "The Formation of a Unique 2D Isonicotinate Polymer Driven by Cu(II) Aerobic Oxidation" Materials 16, no. 10: 3724. https://doi.org/10.3390/ma16103724

APA Style

Sánchez-Férez, F., Calvet, T., Font-Bardia, M., & Pons, J. (2023). The Formation of a Unique 2D Isonicotinate Polymer Driven by Cu(II) Aerobic Oxidation. Materials, 16(10), 3724. https://doi.org/10.3390/ma16103724

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