Premium
Cover Picture: Heterolytic Dihydrogen Activation by a Frustrated Carbene–Borane Lewis Pair / Hydrogen and Amine Activation by a Frustrated Lewis Pair of a Bulky N‐Heterocyclic Carbene and B(C 6 F 5 ) 3 (Angew. Chem. Int. Ed. 39/2008)
Author(s) -
Holschumacher Dirk,
Bannenberg Thomas,
Hrib Cristian G.,
Jones Peter G.,
Tamm Matthias,
Chase Preston A.,
Stephan Douglas W.
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200890190
Subject(s) - heterolysis , frustrated lewis pair , carbene , borane , chemistry , lewis acids and bases , adduct , electron pair , hydrogen bond , amine gas treating , crystallography , cleavage (geology) , stereochemistry , photochemistry , polymer chemistry , medicinal chemistry , molecule , catalysis , materials science , organic chemistry , electron , physics , quantum mechanics , composite material , fracture (geology)
Forcing a square peg into a round hole: t Bu 2 ImC: and B(C 6 F 5 ) 3 form a frustrated Lewis pair (FLP), allowing the synergistic activation of H 2 . On page 7428 ff., M. Tamm et al. describe how the irreversible formation of an abnormal carbene–borane adduct eliminates mismatching between acid and base so that this system can circumvent frustration at the expense of activity. In addition, D. W. Stephan and P. A. Chase demonstrate on page 7433 ff. that this FLP combination not only effects heterolytic cleavage of H 2 , but also of amine NH bonds.