π Ligands in Alkaline Earth Complexes

π Ligands in Alkaline Earth Complexes

Carbide complexes as π-acceptor ligands

The p-accepting character of a terminal carbide complex acting as a ligand is demonstrated experimentally and corroborates earlier theoretical predictions. As a result, coordination of a terminal ruthenium carbide complex to electron-rich metal centres is shown to provide a facile and versatile route to carbidebridged heterometallic complexes. Synthesis, reactivity, spectroscopic and structural...

Metal based synthetic routes to heavy alkaline earth aryloxo complexes involving ligands of moderate steric bulk.

Treatment of an alkaline earth metal (Ca, Sr, Ba) with 2,4,6-trimethylphenol (HOmes) at elevated temperatures in the presence of mercury under solvent-free conditions, followed by extraction of the reaction mixture with 1,2-dimethoxyethane (dme), afforded dinuclear alkaline earth aryloxo complexes [Ae2(Omes)4(dme)4] (Ae = Ca 1, Sr 3, Ba 6). Extraction of the Ca metal and HOmes reaction mixture ...

Exafs Investigations of Earth-alkaline Metal Uranyl Tricarbonato Complexes

Carbonate and bicarbonate are the common anions found in significant concentrations in many natural waters, and are exceptionally strong complexation agents for actinide ions. Seepage, flooding and mining waters from the uranium mining area in the south-east of Germany (Saxony and Thuringia) contain relatively high amounts of magnesium, calcium, carbonate and sulphate ions. In these waters the ...

Alkaline and alkaline earth metal complexes of dianhydride derivatives of clodronate and their hydrolysis products.

Alkaline and alkaline earth metal complexes of P,P'-diacetyl- (L1(2-)); new P,P'-dipropanoyl- (L2(2-)) and P,P'-dibenzoyl(dichloromethylene)bisphosphonates (L3(2-)) and their hydrolysis products were prepared and characterized using the single-crystal X-ray diffraction technique and spectroscopy, with the intention of studying the hydrolysis and coordinating properties of these potential prodru...