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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 35, 2005 - Issue 20
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Original Articles

Sulfur‐Containing Chiral Bis(oxazolines) Tested in Copper‐Catalyzed Asymmetric Cyclopropanation

Ming Zhang Gao Department of Chemistry, Texas A&M University, College Station, Texas, USA
,
Bo Wang School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou, China
,
Deyuan Kong Department of Chemistry, Texas A&M University, College Station, Texas, USA
,
Ralph A. Zingaro Department of Chemistry, Texas A&M University, College Station, Texas, USA
,
Abraham Clearfield Department of Chemistry, Texas A&M University, College Station, Texas, USACorrespondence[email protected]
&
Zun Le Xu School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou, China
Pages 2665-2673 | Received 18 May 2005, Published online: 22 Aug 2006
 
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Abstract

The novel C2‐symmetric sulfur‐containing chiral bis(oxazoline) compound has been synthesized and characterized by X‐ray crystallography. Highly enantioselective and diastereoselective cyclopropanation reactions have been performed using the copper‐bis(oxazoline) catalyst.

Acknowledgments

The authors acknowledge the assistance of the Robert A. Welch Foundation (A‐084) and the Department of Energy, Basic Sciences Division (DE‐FG03‐00ER 15806), for financial support.

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