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Diphenylphosphinooxazoline ligands with a chiral binaphthyl backbone for Pd-catalyzed allylic alkylation

โœ Scribed by Yoshitane Imai; Wanbin Zhang; Toshiyuki Kida; Yohji Nakatsuji; Isao Ikeda

Book ID
108386795
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
226 KB
Volume
39
Category
Article
ISSN
0040-4039

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New enantioselective chiral imidazolidin
New enantioselective chiral imidazolidine ligands for Pd-catalyzed asymmetric allylic alkylation
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.