In the course of the last 20 years, our view on rotaxanes and catenanes has completely changed. Copper(I)-templated strategies, in particular, have allowed us to prepare catenanes on a real preparative scale, in a few chemical steps from commercially available compounds. A particularly significant improvement was the introduction of the recently developed ring-closing metathesis reaction, using...

In the title complex, [Zn(C8H4NO2)2(C10H14N2O)2(H2O)2], the ZnII cation, located on an inversion centre, is coordinated by two water mol-ecules, two 4-cyano-benzoate (CB) anions and two di-ethyl-nicotinamide (DENA) ligands in a distorted N2O4 octa-hedral geometry. In the mol-ecule, the dihedral angle between the planar carboxyl-ate group and the adjacent benzene ring is 9.50 (14)°, while the be...

Novel triarylazoimidazoles containing strong electron donors (p-NEt2) or acceptors (p-NO2) by the azoaryl group, and their group 12 metal complexes were synthesized fully characterized, including X-ray analysis for several complexes. exhibit red photo-luminescence emission (Φ up to 0.21) in a solution. Moreover, antibacterial activity of was tested against Gram-positive microorganism S. aureus ...

Resistance to antimicrobial agents is responsible for major social and economic losses. The World Health Organization estimated 700,000 global deaths a year due resistance. use of layered double hydroxides (LDHs) as antibacterial materials could present way reduce the risk bacterial infections resistance, by partial release metallic ions in aqueous dispersion. dissolution different synthetic LD...