Patent ID: 7256302

Claim:
A substituted paracyclophane of formula (I) wherein X 1 and X 2 are linking groups comprising between 2 to 4 carbon atoms, Y 1 and Y 2 are selected from the group consisting of hydrogen, halide, oxygen, nitrogen, alkyl, cycloalkyl, aryl and heteroaryl, and Z 1 , Z 2 and Z 3 are substituting groups selected from the group consisting of: (i) C1-C30 branched or linear alkyl, aryl, aralkyl or alkaryl groups, (ii) functional groups selected from the group consisting of halide, hydroxyl, alkoxy, carbonyl, carboxyl, anhydride, methacryl, epoxide, vinyl, nitrile, nitro, sulphate, sulphonyl, silyl, mercapto, amino, amine, imine, amide and imide, and (iii) C1-C30 branched or linear alkyl, aryl, aralkyl or alkaryl groups bearing thereon one or more of said functional groups, wherein —a, b, c, d, e and f are 0 or 1, and (a+b+c+d+e+f)=1 to 6.