Patent ID: 6534657
Filing Date: 2003-03-18
Classification: B01J,C07C,C07F

Abstract:
A ligand selected from the group consisting of compounds represented by the formulas: wherein â€œbridge Aâ€  is selected from the group consisting of: â€”CONHâ€”R*â€”NHCOâ€”, â€”COâ€”OR*Oâ€”COâ€”, â€”COâ€”R*COâ€”, â€”CH&boxH;Nâ€”R*â€”N&boxH;CHâ€”, â€”CH2NHâ€”R*â€”NHCH2â€”, â€”CH2NHCOâ€”R*â€”CONHCH2â€”, â€”C*H(R1)NHâ€”R*â€”NHC*H(R1)â€”, C*H(R1)NHCOâ€”R*â€”CONHC*H(R1)â€”, â€”CONHâ€”Râ€”NHCOâ€”, â€”COâ€”OROâ€”COâ€”, â€”COâ€”Râ€”COâ€”, â€”CH=Nâ€”Râ€”N=CHâ€”, â€”CH2NHâ€”Râ€”NHCH2â€”, â€”CH2NHCOâ€”Râ€”CONHCH2â€”, â€”C*H(R1)NHâ€”RNHâ€”C*H(R1)â€”, â€”C*H(R1)NHCOâ€”Râ€”CONHC*H(R1)â€”, C&boxH;O, C&boxH;S, SO2, â€”PO(OR1)â€”, â€”PO(NR1)â€”, â€”PO(NR12)â€”, Si(R1)2â€”, â€”Râ€”*, and â€”Râ€”; wherein â€œbridge Bâ€  has a stereogenic carbon center, wherein said â€œbridge Bâ€  is selected from the group consisting of: â€”CONHâ€”R*â€”NHCOâ€”, â€”COâ€”OR* Oâ€”COâ€”, â€”COâ€”R*â€”COâ€”, â€”CH&boxH;Nâ€”R*â€”N&boxH;CHâ€”, â€”CH2NHâ€”R*NHCH2â€”, â€”CH2NHCOâ€”R*â€”CONHCH2â€”, â€”C*H(R1)NHâ€”R*â€”NHC*H(R1)â€”, â€”C*H(R1)NHCOâ€”R*â€”CONHC*H(R1)â€”, â€”C*H(R1)NHâ€”RNHâ€”C*H(R1)â€”, â€”C*H(R1)NHCOâ€”Râ€”CONHC*H(R1)â€”, and â€”Râ€”*; wherein â€œbridge Câ€  is selected from the group consisting of: CO, SO2, CH&boxH;CH, â€”CONHR*NHCOâ€” and â€”(CH2)nâ€” wherein n is 0, 1 or 2; and wherein R1 is selected from the group consisting of: an alkyl, aryl, aralkyl, alkaryl, and a substituted derivative thereof; â€”Râ€” is selected from the group consisting of: an alkylene, arylene and a substituted derivative thereof; and * indicates the presence of a stereogenic carbon center.