Gold chemistry guided by the isolobality concept

Raubenheimer H.G. ; Schmidbaur H. (2012)


The general isolobality concept presented by Hoffmann, Stone, and Mingos in the early 1980s has had-tacitly or explicitly-a great impact on the development of many areas of inorganic, organometallic, and coordination chemistry. Pertinent considerations were fruitful especially in gold chemistry, because isolobal relations between gold(I) cations [Au] + and their complexes [LAu] + on the one hand and protons [H] +, various carbocations [R] +, and other simple species on the other are particularly obvious. Work guided by these relationships has included almost all fields of gold chemistry, from simple high-energy species in the gas phase to homoatomic clusters of gold atoms or heteroatomic aggregates with main-group and transition elements. Recent work has also concentrated on the specific mechanisms of reactions catalyzed either by protons or by the above gold cations with a variety of new ligands L in separate or tandem reaction sequences. The present review summarizes classical and current lines of research that have followed the original concept up to its present frontier version of "autogenic isolobality". © 2011 American Chemical Society.

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