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Ligand‐Stabilized Chalcogen Dications
Author(s) -
Chivers Tristram,
Konu Jari
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200806010
Subject(s) - chalcogen , lone pair , chemistry , reagent , electrophile , ligand (biochemistry) , center (category theory) , crystallography , computational chemistry , molecule , organic chemistry , catalysis , biochemistry , receptor
Chalcogen‐transfer reagents? The bonding in the dicationic rings C 2 N 2 E 2+ (see picture) differs from that in N‐heterocyclic carbenes and their isovalent p‐block analogues in accommodating a lone pair of electrons with π symmetry, as well as σ symmetry, on the chalcogen center. The labile electrophilic chalcogenium dications (E 2+ ) are potentially versatile chalcogen‐transfer reagents in reactions with a variety of inorganic and organic substrates.
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