Abstract
A facile method for the synthesis of pillar[6]arenes was developed. A series of pillar[6]arenes were prepared with FeCl3 as catalyst and chloroform as solvent at room temperature in moderate yields (30%–40%). Their host-guest properties with n-cetyltrimethyl ammonium bromide were investigated by 1 HNMR. The results showed that high selectivity in the host-guest relationship became apparent between pillar[6]arenes and pillar[5]arenes based on the different size of the inner cavity.
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Tao, H., Cao, D., Liu, L. et al. Synthesis and host-guest properties of pillar[6]arenes. Sci. China Chem. 55, 223–228 (2012). https://doi.org/10.1007/s11426-011-4427-3
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DOI: https://doi.org/10.1007/s11426-011-4427-3