Organoactinides: Coordination Patterns and Chemical Reactivity
The explosive growth of organometallic chemistry over the past two decades, has, until very recently, largely bypassed the actinide elements. The reason for this partly stems from early unsuccessful attempts to synthesize uranium tetraalkyls. However, the actinide metal ions offer unique electronic (5f valence orbitals) and stereochemical (high coordination numbers, unusual coordination geometries) features which suggest intriguing prospects as organometallic reagents and catalysts. This paper summarizes recent developments in two important fields: sigma-bonded organoactinides and actinide ions as templates in cyclooligomerization reactions. In both areas, metal ion coordination geometry plays a central role in directing the path of various chemical transformations.
KeywordsOxidative Addition Coordination Pattern Carbene Complex High Coordination Number Deuterium Isotope Effect
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