Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202302755
Keywords
catalysis; chalcogen bond; non-covalent interaction; sigma-hole; tellurium
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Chalcogen bonding (ChB) is a non-covalent interaction between chalcogen atoms and atoms capable of acting as Lewis bases. It has high directionality, making it useful for structural organization in solids and solutions. Tellurium-based derivatives have shown promising Lewis acidity and have been widely applied in catalysis.
Chalcogen bonding (ChB) is the non-covalent interaction occurring between chalcogen atoms as Lewis acid sites and atoms or groups of atoms able to behave as Lewis bases through their lone pair or pi electrons. Analogously to its sister halogen bonding, the high directionality of this interaction was implemented for precise structural organizations in the solid state and in solution. Regarding catalysis, ChB is now accepted as a new mode of activation as demonstrated by the increased number of examples in the last five years. In the family of ChB catalysts, those based on tellurium rapidly appeared to overcome their lighter sulfur and selenium counterparts. In this review, we highlight the Lewis acid properties of tellurium-based derivatives in solution and summarize the start-of-the-art of their applications in catalysis.
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