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Bis(oxazolines) as chiral ligands in metal-catalyzed asymmetric reactions. Catalytic, asymmetric cyclopropanation of olefins

โœ Scribed by Evans, David A.; Woerpel, Keith A.; Hinman, Mira M.; Faul, Margaret M.

Book ID
111680672
Publisher
American Chemical Society
Year
1991
Tongue
English
Weight
436 KB
Volume
113
Category
Article
ISSN
0002-7863

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Chiral biferrocene-based bis(oxazolines)
Chiral biferrocene-based bis(oxazolines): Ligands for Cu(I)-catalyzed asymmetric cyclopropanations of ene-diazoacetates
โœ Sung-Gon Kim; Chang-Woo Cho; Kyo Han Ahn ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 441 KB

Chiral biferrocene-based bis(oxa~aline) compounds, which have both planar and central chirality, are synthesized. The Cu(I)-complexes of the bis(oxa~alinyl)biferracenes were found to be conformationaily flexible and have a wide bite angle (13~') by NMR and molecular modeling studies. The complexes c