Supramolecular complexation behavior of novel cyclotriveratrylene derivatives with benzoate pendants with C-60

Four novel cyclotriveratrylene (CTV) derivatives with three benzoate pendan ts bearing different aliphatic chains have been prepared in good yields, st arting from CTV. The complexation behavior of these CTV derivatives towards C-60 in arene solvents has been measured by UV-visible spectroscopy and hi gh complexation constants are obtained. It is observed that the complexatio n is promoted pronouncedly by introducing methyl ester groups to the aromat ic pendants, while this promoting effect is reduced when the methyl groups are replaced by longer alkyl groups.