Patent ID: 6939982
Filing Date: 2005-09-06
Classification: B01J,C07F

Abstract:
1. A chiral metal catalyst of formula (1): wherein: M is a polyvalent metal; X is oxygen (O) or sulfur (S); R is selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, aralkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkoxy carbonyl, alkylamino, alkylthio, alkylsulfonyl, and alkylsulfinyl; wherein each is optionally substituted with an alkyl, halogen, alkoxy, aryl or heteroaryl group; R a, b, c, and d are each independently selected from the group consisting of hydrogen, halogen, alkyl, alkenyl, alkynyl, aryl, aralkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkoxycarbonyl, alkylamino, alkylthio, alkylsulfunyl, and alkylsulfinyl; wherein each is independently optionally substituted with an alkyl, halogen, aryl or heteroaryl group; Y is an electron-donating ligand; and Z is an aromatic or heteroaromatic ring substituent that is bonded to Y and to either R