Abstract
A new facile method of synthesis of calix[4]arene amide via the aminolysis of the calix[4]arene esters was reported. One ethyl ester of the compound (2) was aminolysized byn-butylamine. The crystal structure of compound (1)shows that one ethyl ester of compound (1) enters into thecavity of another compound (1) forming a long chainhost-guest supramolecule. From the 2D NMR data, the compound(1) does not assemble in THF or CHCl3 solution. The CH-π interaction and crystallization energy might be theimportant driving forces for forming the self-assembledcalix[4]arene.
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Wu, Y., Liu, HB., Liu, YJ. et al. A Facile Method of Synthesis of a Calix[4]arene Amide and the Crystal Structure of a Self-assembled Calix[4]arene Amide via van Der Waals Interaction. Journal of Inclusion Phenomena 36, 473–478 (2000). https://doi.org/10.1023/A:1008161320091
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DOI: https://doi.org/10.1023/A:1008161320091