Abstract
This paper concerns inclusion complexes of thep-isopropylcalix[4]arene host withp-xylene as guest. It is shown that from a saturated solution inp-xylene, the macrocycle gives a 1 : 1 complex; on heating, the 1 : 1 complex is transformed into a 2: 1 complex, and then into the empty macrocycle. The compounds are studied by differential scanning calorimetry, thermogravimetry and X-ray powder diffraction; the three crystal structures are reported showing the arrangements of the macrocycles with and without their guests.
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Supplementary data relating to this article are deposited with the British Library as Supplementary Publication No. SUP 82143 (59 pages).
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Perrin, M., Gharnati, F., Oehler, D. et al. Complexation ofp-xylene withp-isopropylcalix[4]arene: Crystal structures and thermal analysis of the empty form and the (1 : 1) and (2 : 1) complexes. J Incl Phenom Macrocycl Chem 14, 257–270 (1992). https://doi.org/10.1007/BF01045985
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DOI: https://doi.org/10.1007/BF01045985