Patent ID: 6451727
Filing Date: 2002-09-17
Classification: B01J,C07B,C07C,C07D

Abstract:
A catalyst, wherein said catalyst is formed by complexing a catalyst precursor with a compound having a structure chosen from the enantiomers of formula (I), (II), (III) and (IV): wherein R is hydrogen; R1, R2, R3, R4, or R5 are each independently selected to be the same or different and are chosen from hydrogen, alkyl, aryl, substituted alkyl, and substituted aryl; wherein one of R6 and R7 is hydrogen and the other is chosen from hydrogen, alkyl, aryl, substituted alkyl, and substituted aryl; wherein any two of R1, R2, R3 or R4 when linked together form a ring; wherein R5, R6 or R7 when linked together form a ring, and n is 1 or 2; with the proviso that in formula (II), no more than three of R1, R2, R3, or R4, are the same, wherein said catalyst precursor comprises a transition metal.