Novel chiral oxazoline ligands for potential charge-transfer effects in the Rh(I)-catalysed enantioselective hydrosilylation

Brunner, Henri and Störiko, Reinhard and Rominger, Frank (1998) Novel chiral oxazoline ligands for potential charge-transfer effects in the Rh(I)-catalysed enantioselective hydrosilylation. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 1998 (6). pp. 771-781. ISSN 1434-1948, 1099-0682

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Abstract

Novel 2-(4,4'-bipyridin-2-yl)oxazolines, bearing a chiral oxazoline moiety, were synthesised starting from 4,4'-bipyridine and selectively monomethylated in the N'-position. After coordination to rhodium these electron-poor ligands are supposed to exhibit charge-transfer effects with electron-donating substrates in the Rh(I)-catalysed enantioselective hydrosilylation (see next publication). Similar effects were expected from 4,4'-bipyridine- and pyrazine-bisoxazolines after complexation with rhodium. For comparison 2-(4-phenylpyridin-2-yl)oxazoline ligands were synthesised. Rh(I)-complexes of selected ligands were prepared and characterised, including an X-ray structure analysis.

Item Type: Article
Uncontrolled Keywords: ASYMMETRIC HYDROSILYLATION; THIAZOLIDINE CATALYSTS; KETONES; ACETOPHENONE; COMPLEXES; SALTS; oxazolines; charge-transfer; 4,4'-bipyridine; enantioselective hydrosilylation; Rh(I)-complexes
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Henri Brunner
Depositing User: Dr. Gernot Deinzer
Date Deposited: 24 Feb 2023 06:49
Last Modified: 24 Feb 2023 06:49
URI: https://pred.uni-regensburg.de/id/eprint/49754

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