Pentagonal Bipyramidal 3 d‐Metal Complexes Derived from a Dimethylcarbamoyl‐Substituted Pentadentate‐[N ₃ O ₂ ] Ligand: Aiming for Increased Solubility

An eleven-vertex metallaborane with tetracapped pentagonal bipyramidal geometry.

A metallaborane of novel structure, [(Cp*Mo)(2)B(3)H(3)Se(2){Fe(CO)(2)}(2){Fe(CO)(3)}(2)] (2; Cp* = η(5)-C(5)Me(5)), with tetracapped pentagonal bipyramidal geometry, isolated from the reaction of [(Cp*Mo)(2)B(4)H(4)Se(2)], 1 with [Fe(2)(CO)(9)]; the title compound exhibit an 11-vertex closo-cage geometry, having eight skeletal electron pairs (sep) and 98 valence electrons, appropriate for its ...

Synthesis and Characterization of Metal Complexes with New Unsymmetrical Schiff Base Ligand Derived from 2-Aminoethanethiol

A new unsymmetric thioether diamine N - ( 2 - ( 2 - aminophenylthio) ethyl) benzene - 1 , 2 - diamine was prepared through the nucleophilic substitution of cysteaminium chloride with 1 - chloro - 2 - nitrobenzene and then the nitro groups of prepared compuond converted to the amine by zinc powder and ammonium chloride. Then, unsymmetric Schiff bass ligand 2 - ((( 2 - (( 2 - (( 2 - (( 2 - hydrox...

Correlation between ligand solubility and formation of protein-ligand complexes in X-ray crystallography

Structure determination of ligands bound to their target proteins using X-ray crystallography is an important part in the drug discovery process. However, this is not always easy to achieve, especially in cases where the affinity is poor and the solubility of the ligand in the crystallization condition is low. The aim of this project was to investigate a possible correlation between the solubil...

Highly tapered pentagonal bipyramidal Au microcrystals with high index faceted corrugation: Synthesis and optical properties

Focusing light at sub-wavelength region opens up interesting applications in optical sensing and imaging beyond the diffraction limit. In the past, tapered Au wires with carved gratings have been employed to achieve nanofocusing. The fabrication process however, is expensive and the obtained wires are polycrystalline with high surface roughness. A chemical synthetic method overcoming these hurd...

Bidentate Schiff Base derived from quinolone Ligands Oxovanadium (IV) Complexes