Asymmetric Pinacol Coupling of Aromatic Aldehydes Mediated by Chiral Squaric Acid Amidoalcohol-Titanium Complexes
CHENG Qing-Fang*,a,b,XU Xing-You,b,XU Tong-Taob
ZHANG Xiang-Taoa,BAO Jing-Yana
Chin. J. Org. Chem. . 2006, (11): 1544 -1547 .