Patent ID: 6476233
Filing Date: 2002-11-05
Classification: B01J,C07F

Abstract:
A compound selected from the enantiomer of formula (I), (II), and (III): in which R, R1, R2, R3, R4, R5, R6, R7 and R8, are each independently selected to be the same or different and are selected from a hydrogen atom, an alkyl radical, an aryl radical, a substituted alkyl radical, and substituted aryl radical;wherein any two of R1, R2, R3, and R4 when linked together form a ring; X is chosen from PRâ€², PH, O, S, Se, AsRâ€², AsH, SiRâ€²H, GeRâ€²H, NH, NRâ€², NRâ€²2, NCORâ€², NOH, NNHRâ€², and NNHCORâ€², wherein Râ€² is selected from an alkyl radical, an aryl radical, a substituted alkyl radical, and a substituted aryl radical; and n is 1 or 2.