共 50 条
- [22] Access to Both Enantiomers of α-Chloro-β-keto Esters with a Single Chiral Ligand: Highly Efficient Enantioselective Chlorination of Cyclic β-Keto Esters Catalyzed by Chiral Copper(II) and Zinc(II) Complexes of a Spiro-2,2′-bischroman-Based Bisoxazoline Ligand ADVANCED SYNTHESIS & CATALYSIS, 2012, 354 (10) : 1980 - 1986