The new habitats of P. primaurelia, P. biaurelia, and P. triaurelia of the P. aurelia complex were described in Spain. P. pentaurelia was also found, for the first time in that country.
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Org Chem Front
December 2024
Departamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid Av. Complutense S/N 28040 Madrid Spain
Supramolecular chemistry of carbon-based materials provides a variety of chemical structures with potential applications in materials science and biomedicine. Here, we explore the supramolecular complexation of fullerenes C and C, highlighting the ability of molecular nanographene tweezers to capture these structures. The binding constant for the CNG-1⊃C complex was significantly higher than for CNG-1⊃C, showing a clear selectivity for the more π-extended C.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
December 2024
Coordination Chemistry, Saarland University, Campus C4.1, D-66123, Saarbrücken, Germany.
We report hitherto elusive side-on η-bonded palladium(0) carbonyl (anthraquinone, benzaldehyde) and arene (benzene, hexafluorobenzene) palladium(0) complexes and present the catalytic hydrodefluorination of hexafluorobenzene by cyclohexene. The comparison with respective cyclohexene, pyridine and tetrahydrofuran complexes reveals that the experimental ligand binding strengths follow the order THF
Org Lett
January 2025
GIR MIOMeT, IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, Valladolid E47011, Spain.
A method to synthesize cofacial dimeric porphyrins bearing eight corannulene units has been developed. It relies on the stability of octahedral CO-capped Ru(II) complexes linked by N-donor ligands. This specific arrangement provides an optimal scaffold to accommodate fullerenes by imposing corannulene groups at a precise distance and relative orientation.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Institute for Agricultural and Food Technology, Universitat de Girona, C/ Maria Aurèlia Capmany, 61, 17003 Girona, Spain.
Plant diseases diminish crop yields and put the world's food supply at risk. Plant elicitor peptides (Peps) are innate danger signals inducing defense responses both naturally and after external application onto plants. Pep-triggered defense networks are compatible with pattern-triggered immunity (PTI).
View Article and Find Full Text PDFDalton Trans
January 2025
Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Maria Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain.
The oxalamide skeleton is a common structural motif in many biologically active molecules. These scaffolds can be synthesized ruthenium pincer complex-catalyzed acceptorless dehydrogenative coupling of ethylene glycol and amines. In this study, we elucidate the mechanism of this oxalamide synthesis using density functional theory calculations.
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