Combination of calix[4]arenes and resorcin[4]arenes for the complexation of steroids

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Higler, Irene and Timmerman, Peter and Verboom, Willem and Reinhoudt, David N. (1996) Combination of calix[4]arenes and resorcin[4]arenes for the complexation of steroids. Journal of Organic Chemistry, 61 (17). pp. 5920-5931. ISSN 0022-3263

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Abstract:Receptor molecules with large cavities synthesized by the combination of building blocks that already possess a cavity, viz. calix[4]arenes and resorcin[4]arenes, are described. These receptor molecules are synthesized by reaction of one or two upper rim 1,2-difunctionalized calix[4]arene fragments oriented either endo or exo toward a cavitand unit. The endo:exo ratio depends on the substituents at the 3- and 4-positions of the calix[4]arenes. These novel receptor molecules complex steroids with association constants of (0.9−9.5) × 102 M-1 in CDCl3.
Item Type:Article
Copyright:© 1996 American Chemical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/10956
Official URL:http://dx.doi.org/10.1021/jo960256g
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Metis ID: 105922