Begoña Verdejo
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View article: Exo- or endo-1<i>H</i>-pyrazole metal coordination modulated by the polyamine chain length in [1 + 1] condensation azamacrocycles. Binuclear complexes with remarkable SOD activity
Exo- or endo-1<i>H</i>-pyrazole metal coordination modulated by the polyamine chain length in [1 + 1] condensation azamacrocycles. Binuclear complexes with remarkable SOD activity Open
Increasing the polyamine chain length changes the binding mode of pyrazole from exo to endo in Cu 2+ complexes of pyrazolacyclophanes, leading to outstanding SOD activity.
View article: Transition Metals Meet Scorpiand-like Ligands
Transition Metals Meet Scorpiand-like Ligands Open
Scorpiand-like ligands combine the preorganization of the donor atoms of macrocycles and the degrees of freedom of the linear ligands. We prepared the complexes of several of these ligands with transition metal ions and made a crystallogra…
View article: The Bioactivity of Xylene, Pyridine, and Pyrazole Aza Macrocycles against Three Representative Leishmania Species
The Bioactivity of Xylene, Pyridine, and Pyrazole Aza Macrocycles against Three Representative Leishmania Species Open
Due to the urgent need for finding effective and free of secondary effect treatments for every clinical form of Leishmaniasis, a series of synthetic xylene, pyridine and, pyrazole azamacrocycles were tested against three Leishmania species…
View article: Selective recognition of neurotransmitters in aqueous solution by hydroxyphenyl aza-scorpiand ligands
Selective recognition of neurotransmitters in aqueous solution by hydroxyphenyl aza-scorpiand ligands Open
Anion recognition of neurotransmitters (dopamine, tyramine and serotonin) in aqueous solution of different aza-scorpiand ligands have been studied by potentiometry, NMR, UV-Vis and fluorescence spectroscopy and isothermal titration calorim…
View article: GEMS, a tool for microspeciation analysis from NMR data fitting
GEMS, a tool for microspeciation analysis from NMR data fitting Open
A new software is for microspeciation solving has been developed: the GEneral Microspeciation Solver (GEMS) which implements Cluster Expansion Techniques and Symmetry Simplification. It has been used to treat NMR data from the protonation …
View article: Fluorescent Chemosensors Based on Polyamine Ligands: A Review
Fluorescent Chemosensors Based on Polyamine Ligands: A Review Open
Polyamine ligands are water-soluble receptors that are able to coordinate, depending on their protonation degree, either metal ions, anionic, or neutral species. Furthermore, the presence of fluorescent signaling units allows an immediate …
View article: A tetraazahydroxypyridinone derivative as inhibitor of apple juice enzymatic browning and oxidation
A tetraazahydroxypyridinone derivative as inhibitor of apple juice enzymatic browning and oxidation Open
View article: Heterocyclic Diamines with Leishmanicidal Activity
Heterocyclic Diamines with Leishmanicidal Activity Open
Leishmaniasis is one of the world's most neglected diseases with a worldwide prevalence of 12 million people. There are no effective human vaccines for its prevention, and outdated drugs hamper treatment. Therefore, research aimed at devel…
View article: Ditopic Aza-Scorpiand Ligands Interact Selectively with ds-RNA and Modulate the Interaction upon Formation of Zn2+ Complexes
Ditopic Aza-Scorpiand Ligands Interact Selectively with ds-RNA and Modulate the Interaction upon Formation of Zn2+ Complexes Open
Nucleic acids are essential biomolecules in living systems and represent one of the main targets of chemists, biophysics, biologists, and nanotechnologists. New small molecules are continuously developed to target the duplex (ds) structure…
View article: CCDC 1939485: Experimental Crystal Structure Determination
CCDC 1939485: Experimental Crystal Structure Determination Open
View article: CCDC 1939484: Experimental Crystal Structure Determination
CCDC 1939484: Experimental Crystal Structure Determination Open
View article: CCDC 1939483: Experimental Crystal Structure Determination
CCDC 1939483: Experimental Crystal Structure Determination Open
View article: A Metal-Based Receptor for Selective Coordination and Fluorescent Sensing of Chloride
A Metal-Based Receptor for Selective Coordination and Fluorescent Sensing of Chloride Open
A scorpionate Zn2+ complex, constituted by a macrocyclic pyridinophane core attached to a pendant arm containing a fluorescent pyridyl-oxadiazole-phenyl unit (PyPD), has been shown to selectively recognize chloride anions, giving rise to c…
View article: CCDC 2017310: Experimental Crystal Structure Determination
CCDC 2017310: Experimental Crystal Structure Determination Open
View article: CCDC 2017311: Experimental Crystal Structure Determination
CCDC 2017311: Experimental Crystal Structure Determination Open
View article: CCDC 2017309: Experimental Crystal Structure Determination
CCDC 2017309: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Inhibitory Effect of Azamacrocyclic Ligands on Polyphenol Oxidase in Model and Food Systems
Inhibitory Effect of Azamacrocyclic Ligands on Polyphenol Oxidase in Model and Food Systems Open
Enzymatic browning is one of the main problems faced by the food industry due to the enzyme polyphenol oxidase (PPO) provoking an undesirable color change in the presence of oxygen. Here, we report the evaluation of 10 different azamacrocy…
View article: CCDC 1990725: Experimental Crystal Structure Determination
CCDC 1990725: Experimental Crystal Structure Determination Open
View article: CCDC 1953930: Experimental Crystal Structure Determination
CCDC 1953930: Experimental Crystal Structure Determination Open
View article: CCDC 1953932: Experimental Crystal Structure Determination
CCDC 1953932: Experimental Crystal Structure Determination Open
View article: CCDC 1953933: Experimental Crystal Structure Determination
CCDC 1953933: Experimental Crystal Structure Determination Open
View article: CCDC 1953929: Experimental Crystal Structure Determination
CCDC 1953929: Experimental Crystal Structure Determination Open
View article: Hybrid GMP–polyamine hydrogels as new biocompatible materials for drug encapsulation
Hybrid GMP–polyamine hydrogels as new biocompatible materials for drug encapsulation Open
Pyrazole-based polyamines stabilise G-quartet based GMP hydrogels at human skin pH and GMP concentrations one order of magnitude lower than typically employed, allowing in some cases drug encapsulation without disrupting the hydrogel struc…
View article: Influence of the chain length and metal : ligand ratio on the self-organization processes of Cu<sup>2+</sup>complexes of [1 + 1] 1<i>H</i>-pyrazole azamacrocycles
Influence of the chain length and metal : ligand ratio on the self-organization processes of Cu<sup>2+</sup>complexes of [1 + 1] 1<i>H</i>-pyrazole azamacrocycles Open
The great versatility of the pyrazole moiety combined with polyamines of different chain lengths gives rise to remarkable coordination features.
View article: Stabilization of polyiodide networks with Cu(<scp>ii</scp>) complexes of small methylated polyazacyclophanes: shifting directional control from H-bonds to I⋯I interactions
Stabilization of polyiodide networks with Cu(<span>ii</span>) complexes of small methylated polyazacyclophanes: shifting directional control from H-bonds to I⋯I interactions Open
Modulation of hydrogen bonds and iodine–iodine interactions, both covalent and supramolecular, unlocks novel possibilities for the construction of transition metal-polyiodide hybrid networks.
View article: Stabilization of Supramolecular Networks of Polyiodides with Protonated Small Tetra-azacyclophanes
Stabilization of Supramolecular Networks of Polyiodides with Protonated Small Tetra-azacyclophanes Open
Polyiodide chemistry is among the first historically reported examples of supramolecular forces at work. To date, owing to the increasingly recognized role of halogen bonding and the incorporation of iodine-based components in several devi…
View article: CCDC 1900332: Experimental Crystal Structure Determination
CCDC 1900332: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1900333: Experimental Crystal Structure Determination
CCDC 1900333: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1529381: Experimental Crystal Structure Determination
CCDC 1529381: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1507631: Experimental Crystal Structure Determination
CCDC 1507631: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …