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Helical Chirality Control of Palladium Complexes That Bear a Tetrakis(phosphanyl)terphenyl Ligand: Application as Asymmetric Lewis Acid Catalysts
Author(s) -
Aikawa Kohsuke,
Mikami Koichi
Publication year - 2003
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.200352300
Subject(s) - enantiopure drug , terphenyl , palladium , ligand (biochemistry) , chirality (physics) , catalysis , lewis acids and bases , chemistry , axial chirality , stereochemistry , enantioselective synthesis , polymer chemistry , organic chemistry , receptor , biochemistry , chiral symmetry breaking , physics , quantum mechanics , quark , nambu–jona lasinio model
Both axial and helical chirality are generated by complexation of the novel tetrakis(phosphanyl)terphenyl (tetraphos) ligand to a metal center (see picture). The tropos nature of the ligand was confirmed, and enantiopure Pd complexes controlled by diamines were applied as asymmetric Lewis acid catalysts in carbonyl–ene reactions.