Patent ID: 7253301
Filing Date: 2007-08-07
Classification: B01J,C07B,C07C

Abstract:
1. An optically active copper catalyst composition comprising (a) an optically active salicylideneaminoalcohol represented by the formula (1): wherein R 1 and R 2 are the same or different, and independently represent a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; X (b) a monovalent or divalent copper compound, and (c-1) a lithium compound or (c-2) a compound selected from aluminum compounds having Lewis acidity, titanium compounds having Lewis acidity, boron compounds having Lewis acidity, zirconium compounds having Lewis acidity and hafnium compounds having Lewis acidity.