Abstract
Chalcogen bonding is a noncovalent interaction between electrophilic chalcogen substituents and Lewis bases. In their Communication on page 16923 ff., S. M. Huber and co-workers show that dicationic tellurium compounds can act as strong catalysts in a nitro-Michael reaction. This is the first time that a nitro compound has been reported to be activated by halogen bonding or chalcogen bonding. The crucial role of chalcogen bonding was confirmed by comparison experiments.
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