Cu(II)-aza(bisoxazoline)-catalyzed asymmetric benzoylations

Gissibl, Anja and Finn, M. G. and Reiser, Oliver (2005) Cu(II)-aza(bisoxazoline)-catalyzed asymmetric benzoylations. ORGANIC LETTERS, 7 (12). pp. 2325-2328. ISSN 1523-7060, 1523-7052

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Abstract

Racemic 1,2-diols and a-hydroxy carbonyl compounds can be asymmetrically benzoylated in a kinetic resolution in the presence of various Cu(II)-aza(bisoxazoline) catalysts. A novel bisbenzyl-substituted aza(bisoxazoline) ligand proved to be especially effective when immobilized on MeOPEG(5000), giving from 91 to >= 99% ee in 37-49% yield for each of five sequential reactions.

Item Type: Article
Uncontrolled Keywords: TERMINAL ALKYNES; CATALYSIS; DERIVATIVES; COMPLEXES; LIGANDS; DESYMMETRIZATION; CYCLOADDITIONS; AZIDES;
Divisions: Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser
Depositing User: Dr. Gernot Deinzer
Date Deposited: 10 May 2021 09:00
Last Modified: 10 May 2021 09:00
URI: https://pred.uni-regensburg.de/id/eprint/36006

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