Highly Diastereo- and Enantioselective Cu-Catalyzed [3 + 3] Cycloaddition of Propargyl Esters with Cyclic Enamines toward Chiral Bicyclo[n.3.1] Frameworks

Cheng Zhang, Xin-Hu Hu, Ya-Hui Wang, Zhuo Zheng, Jie Xu, and Xiang-Ping Hu

 J. Am. Chem. Soc., 2012, 134 (23), pp 9585–9588 

DOI: 10.1021/ja303129s