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Chiral phosphinooxazolines as ligands in asymmetric catalysis: Intramolecular Pd-catalyzed allylic alkylation

โœ Scribed by Guido Koch; Andreas Pfaltz

Book ID
108036464
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
239 KB
Volume
7
Category
Article
ISSN
0957-4166

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New enantioselective chiral imidazolidin
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โœ En-Kyung Lee; Sang-Han Kim; B.-H. Jung; Wha-Seung Ahn; Geon-Joong Kim ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 93 KB

Chiral imidazolidine ligands have been synthesized from N,N%-dialkylated cyclohexanediamine derivatives and they were found to act as effective ligands in the palladium-catalyzed asymmetric allylic substitution. The excellent levels of enantiomeric excess up to 98% were obtained in high yield.