Abstract
A series of benzyl, 2-picolyl, 3-picolyl armed tetrahomodioxacalix[4]arene tetraamideswith four p-phenyl groups on the upper rim were synthesized. They were found to be in the C-1,2-alternate conformation by 1H, 13C NMR, andX-ray crystal structure.The nitrogen atom of the 2-picolyl group played an important role in the metal ion complexation.
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No, K., Lee, J.H., Yang, S.H. et al. Picolyl Armed C-1,2 Alternate Tetrahomodioxacalix[4]arene Tetraamides. Journal of Inclusion Phenomena 47, 167–171 (2003). https://doi.org/10.1023/B:JIPH.0000011776.76003.7f
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DOI: https://doi.org/10.1023/B:JIPH.0000011776.76003.7f