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Scientific article
English

Chiral Boron-Bridged Bisoxazolines: Readily Available Anionic Ligands for Asymmetric Catalysis

Published inAngewandte Chemie, vol. 44, no. 31, p. 4888-4891
Publication date2005
Abstract

Asymmetric cyclopropanation and monobenzoylation reactions of meso diols employing borabox catalysts 1 (M=Cu) result in high enantioselectivities. The borabox ligands are anionic analogues of the bisoxazolines 2 and are readily prepared by lithiation of oxazolines and subsequent trapping with boron halides. The considerable potential of borabox ligands in asymmetric catalysis is shown.

Keywords
  • acylation
  • asymmetric catalysis
  • copper
  • diazo compounds
  • N ligands
Affiliation Not a UNIGE publication
Citation (ISO format)
MAZET, Clement, KÖHLER, Valentin, PFALTZ, Andreas. Chiral Boron-Bridged Bisoxazolines: Readily Available Anionic Ligands for Asymmetric Catalysis. In: Angewandte Chemie, 2005, vol. 44, n° 31, p. 4888–4891. doi: 10.1002/anie.200501111
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ISSN of the journal1433-7851
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