Patent ID: 6472533
Filing Date: 2002-10-29
Classification: C07F

Abstract:
A compound of formula (I) whereinm is 1, 2, 3 or 4; n, p, q, r are independently zero or 1 provided that at least one of n, p, q and r is 1; X is O, S, Se, CH2, NH; Y is N, P, As, S; R is H; a straight, branched or cyclo alkyl optionally substituted by one or more groups independently selected from alkyl, aryl, halo, alkoxy, amine, phosphine, ether; aryl optionally substituted by one or more groups independently selected from alkyl, aryl, halo, alkoxy, amine, phosphine, ether; ferrocenyl; a thioalkyl group; a thioaryl group; or R is part of a polymeric structure, for example polyacrylic acid; R1 to R13 are independently selected from H; a straight, branched or cyclo alkyl optionally substituted by one or more groups independently selected from alkyl, aryl, halo, alkoxy, amine, phosphine, ether; aryl optionally substituted by one or more groups independently selected from alkyl, aryl, halo, alkoxy, amine, phosphine, ether.