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C1-Symmetric Versus C2-Symmetric Ligands in Enantioselective Copper- Bis(oxazoline)-Catalyzed Cyclopropanation Reactions

Fraile, José M. and Garcia, José I. and Gissibl, Anja and Mayoral, José A. and Pires, Elísabet and Reiser, Oliver (2007) C1-Symmetric Versus C2-Symmetric Ligands in Enantioselective Copper- Bis(oxazoline)-Catalyzed Cyclopropanation Reactions. Chemistry - A European Journal 13 (31), pp. 8830-8839.

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Abstract

A thorough experimental and theoretical study of the enantioselective cyclopropanation of alkenes catalyzed by chiral bis(oxazoline)– and azabis(oxazoline)–copper complexes, which comprise a new family of ligands that lack C2 symmetry, has been conducted. Surprisingly high enantioselectivities were observed with some of these ligands, which were rationalized on the basis of molecular modeling ...

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Item Type:Article
Date:August 2007
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser
Identification Number:
ValueType
10.1002/chem.200700681DOI
Keywords:asymmetric catalysis; bis(oxazolines); computational mechanistic models; copper; cyclopropanation
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Unknown
Owner: Ute Lange
Deposited On:18 Oct 2007
Last Modified:05 Aug 2009 13:40
Item ID:2538
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