Design of New Bis(1,2,3-triazol-1-yl)methane-Based Nitrogen Ligands: Synthesis and Coordination Chemistry

The reaction between bis(1,2,3-triazol-1-yl)methane derivatives and nBuLi and various aldehydes, yielded novel neutral ligand precursors incorporating alcohol functional groups. The resulting compounds exhibited distinct characteristics depending on the steric hindrance of the aldehyde employed. In...

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Detalhes bibliográficos
Autores: Martínez de Sarasa Buchaca, Marc, De la Cruz Martínez,Felipe, Naranjo Rodríguez, Jesús, Rodríguez Fernández-Pacheco, Ana María, De la Torre, María C., Castro Osma, José A., Sierra, Miguel A., Lara Sánchez, Agustín
Formato: artículo
Fecha de publicación:2024
País:España
Recursos:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/42922
Acesso em linha:https://doi.org/10.1002/chem.202304291
https://hdl.handle.net/10578/42922
Access Level:acceso abierto
Palavra-chave:Ligand design
Nitrogen-based ligands
Bis(1,2,3- triazol-1-yl)methane
Zinc complexes
Aluminum complexes
Descrição
Resumo:The reaction between bis(1,2,3-triazol-1-yl)methane derivatives and nBuLi and various aldehydes, yielded novel neutral ligand precursors incorporating alcohol functional groups. The resulting compounds exhibited distinct characteristics depending on the steric hindrance of the aldehyde employed. In instances where aromatic aldehydes were utilized, functionalization occurred at the methine group bridging both triazole rings. Conversely, the use of pivalic aldehyde prompted functionalization at the C5 position of the triazole ring. These compounds were subsequently employed as ligand precursors in the synthesis of organometallic aluminum and zinc complexes, yielding dinuclear complexes with high efficiency. The structural elucidation of all compounds was accomplished through spectroscopic methods and validated by X-ray crystallography. Preliminary catalytic investigations into the coupling reaction of cyclohexene oxide and CO2 revealed that aluminum and zinc complexes catalyzed the selective formation of polyether and polycarbonate materials, respectively.