Patent ID: 8067642
Filing Date: 2011-11-29
Classification: B01J,C07B,C07C,C07F

Abstract:
1. A P-chiral compound of general formula (II): wherein at least one of R 21 , R 25 , R 26 and R 30 is independently selected from C 1-4 alkyl, CF 3 , phenyl and benzyloxy and the remaining substituents selected from R 21 , R 25 , R 26 and R 30 are hydrogen; at least one of R 22 , R 24 , R 27 and R 29 are independently selected from C 1-4 alkyl, CF 3 , C 1-4 alkoxy, phenyl and benzyloxy and the remaining substituents selected from R 22 , R 24 , R 27 and R 29 are hydrogen; and R 23 and R 28 are independently selected from hydrogen, C 1-4 alkyl, CF 3 , C 1-4 alkoxy, phenyl and benzyloxy.