Patent ID: 7763739
Filing Date: 2010-07-27
Classification: B01J,C07B,C07C,C07D,C07F

Abstract:
1. A ligand or its salt of the general formula: wherein R and R′ are each independently: alkyl; aryl; aralkyl; alkenyl; alkynyl; alkoxyl; aryloxyl; alkylthio; arylthio; or an unsubstituted or substituted cyclic moiety wherein said cyclic moeity is a monocyclic or polycyclic saturated or partially saturated carbocyclic or heterocyclic, aromatic or heteroaromatic ring, said ring comprising 4 to 8 atoms and 0 to 3 heteroatoms; and wherein said ligand, when chiral, may be present as either a mixture of enantiomers or as a single enantiomer.