Electrochemical Study of Structural Effects in Complexation of Nano-baskets: Calix[4]-1,2-crown-3, -crown-4, -crown-5, -crown-6
作者:Bahram Mokhtari、Kobra Pourabdollah
DOI:10.1080/15533174.2012.680131
日期:2012.9.1
Eight nano-baskets of calix[4]arene-1,2-crown-3, -crown-4, -crown-5, -crown-6 were synthesized and their binding abilities towards alkali and alkaline earth metals as well as some lanthanides were studied using differential pulse voltammetry. The novelty of this study was investigation of those macrocyclic complexes by voltammetric behaviors of two acidic moieties in each scaffold during complexation of crown ether ring. The results revealed that by increasing the binding ability of macrocycle and cation, the anodic oxidation peak of carboxylic acids was decreased. Moreover, the voltammetric traces of low energy complexes did not affected by encapsulated cations in the coordination space of crown ether.