Asymmetric Addition of 1-Ethynylcyclohexene to Ketones Catalyzed by a Chiral C2-Camphorsulfonamide Ligand
ZHANG Dong-Yan, WANG Quan, CHEN Fu-Xin, YUAN Ye, WANG Rui*
Chem. J. Chinese Universities . 2008, (9): 1750 -1754 .