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

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 O-2. This gradual formation of ina led to its restrained...

Descripción completa

Detalles Bibliográficos
Autores: Sánchez-Férez, Francisco, Calvet Pallàs, Maria Teresa, Font Bardia, Ma. Mercedes, Pons, Josefina
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/208108
Acceso en línea:https://hdl.handle.net/2445/208108
Access Level:acceso abierto
Palabra clave:Compostos organometàl·lics
Oxidació
Coure
Polímers
Organometallic compounds
Oxidation
Copper
Polymers
Descripción
Sumario: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 O-2. 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 O-2 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 H-1 NMR, thus demonstrating the feasible but strained formation of ina from 4-acpy in the mild conditions from which 1 was obtained.