Patent ID: 6946569

Claim:
A compound of formula C′, or the corresponding enantiomer: wherein: a) R and R 2 is independently selected from the group consisting of: aryl, alkyl, alkyl aryl, aryl alkyl, chiral oxazolino which may be substituted with carboxylic acid, alkoxy, hydroxy, alkylthio, thiol, dialkylamino, or diphenylphosphino groups; of wherein R 2 is a group having the formula: wherein Z is a group represented by the formula: b) R 1 is selected from the group consisting of: H, alkyl, silyl, aryl, a water soluble unit, or a linked polymer chain and an inorganic support; and c) is selected from the group consisting of: —(CH 2 ) n — where n is an integer ranging from 1 to 8; —(CH 2 ) n X(CH 2 ) m — wherein n and m are each integers, the same or different, ranging from 1 to 8, and X is O, S, NR 4 , PR 4 , AsR 4 , SbR 4 , divalent aryl, divalent fused aryl, divalent 5-membered ring heterocyclic group, or divalent fused heterocyclic group, wherein R 4 is aryl, alkyl, substituted aryl, or substituted alkyl; and 1,2-divalent phenyl, 2,2′-divalent 1,1′biphenyl or 2,2′-divalent 1,2′-binapthyl or ferrocene, each of which may be substituted with aryl, C 1 -C 8 alkyl, F, Cl, Br, I, COOR 5 , SO 3 R 5 , PO 3 R 5 2 , OR 5 , SR 5 , NR 5 2 , PR 5 2 , AsR 5 2 , or SbR 5 2 ; wherein the substitution on 1,2-divalent phenyl, the ferrocene or biaryl bridge can be independently halogen, alkyl, alkoxyl, aryl, aryloxy, nitro, amino, vinyl, substituted vinyl, alkynyl, or sulfonic acids group; and wherein R 5 is selected from a group consisting of: hydrogen, C 1 -C 8 alkyl, C 1 -C 8 fluoroalkyl, C 1 -C 8 perfluoroalkyl, aryl, substituted aryl, arylalkyl, ring-substituted arylalkyl, and —CR 3 2 (CR 3 2 ) q X(CR 3 2 ) p R 1 wherein q and p are integers, the same or different, ranging from 1 to 8; wherein R 3 is selected from the group consisting of: aryl, alkyl, substituted aryl, and substituted alkyl; and X is as defined above.