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Collapsed Cu(II)-hydroxamate metallacrowns.
The tetranuclear compounds are the first examples of solely hydroxamate-based Cu(II) metallacrown complexes with a collapse of the metallamacrocyclic cavity.
Encapsulation of a guest sodium cation by iron(III) tris-(hydroxamate)s.
An unprecedented encapsulation of an exogenous sodium ion by iron(III) tris(hydroxamate)s was observed upon crystallization of an iron(III) complex with isonicotinylhydroxamic acid. The sodium cation
A new Cu(II) [12]metallocrown-4 pentanuclear complex based on a Cu(II)-malonomonohydroxamic acid unit
The first example of a Cu(II) [12]-MC-4 hydroxamic metallacrown compound containing a carboxyl group as a supporting donor function is described. The solution equilibria of malonomonohydroxamic acid
Crystal structure and Hirshfeld surface analysis of (E)-2-(2,4,6-trimethylbenzylidene)-3,4-dihydronaphthalen-1(2H)-one
In the title compound, C—H⋯O hydrogen bonds and weak C—H⋯π interactions link adjacent molecules into a three-dimensional supramolecular network.
Coordination diversity in mono- and oligonuclear copper(II) complexes of pyridine-2-hydroxamic and pyridine-2,6-dihydroxamic acids.
A series of copper(II) complexes has been isolated in the solid state and characterized by a variety of spectroscopic methods, X-ray structure analysis, and magnetic susceptibility measurements, revealing strong antiferromagnetic coupling between the copper( II) ions mediated by the hydroxamate bridges.
Crystal structure of (E)-9-({[4-(diethylamino)phenyl]imino}methyl)-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-ol
In the title compound, the hydroxy group forms a intramolecular hydrogen bond to the imine N atom and generates an S(6) ring motif. The conformation about the C=N bond is E, and the aromatic ring of
Synthesis and Molecular Structures of CuII 15‐Metallacrown‐5 Complexes with Encapsulated CaII, PrIII and NdIII Ions
Three complexes [Ca(ClO4)(H2O)Cu5(o-picHA-2H)5(H2O)]ClO4 (1), [Pr(NO3)2(py)Cu5(o-picHA-2H)5(py)5]ClO4 (2), and [Nd(NO3)(H2O)(py)Cu5(o-picHA-2H)5(py)5](ClO4)2·5py (3) (o-picHA = 2-picolinehydroxamic
Pyridine-2,6-dihydroxamic acid, a powerful dihydroxamate ligand for Ni2+ and Cu2+ ions
Pyridine-2,6-dihydroxamic acid was found to be the most effective ligand for Ni2+ and Cu2+ ions among the known dihydroxamates. The stability constants of the title complexes are many orders of
Copper(II) complexes of 3- and 4-picolinehydroxamic acids: from mononuclear compounds to 1D- and 2D-coordination polymers
A series of copper(II) complexes with 3- and 4-picolinehydroxamic acids has been synthesized and characterized by a variety of spectroscopic methods, X-ray structure analysis and magnetic
Explaining How α-Hydroxamate Ligands Control the Formation of Cu(II)-, Ni(II)-, and Zn(II)-Containing Metallacrowns.
To understand fully the correlation between species isolated in the solid state and those presented in solution, the solution equilibria were investigated, showing the dependence of the MCs topologies and stability constants on the ligand structure and metal ion.