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Molecular inclusion in functionalized macrocycles. Part 12. Crystal and molecular structure of ap-(1,1,3,3)-tetramethylbutylcalix[8]arene octapodand

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Abstract

The title compound was obtained as colourless transparent prismatic crystals (from acetone/methanol 1:1), space groupPīa=16.647(2),b=16.447(2),c=14.269(3) Å, α=108.56(3), β=105.63(3), γ=87.23(3)°,Z=1,D calc=1.03 g cm−3. Refinement was carried out using 2863 reflections, withI>σ(I). The molecule, which lies on a center of symmetry, possesses a roughly ellipsoidal shape with two sets of four phenolic nuclei following a helical arrangement. The polyether chains of two adjacent phenolic units partially fill the intramolecular cavity. No guest molecules are present.

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Authors and Affiliations

  1. Istituto di Chimica Organica dell'Universitá di Parma, Via M. D'Azeglio 85, 43100, Parma, Italy

    Rocco Ungaro & Andrea Pochini

  2. Centro di Studio per la Strutturistica Diffrattometrica del C.N.R., Istituto di Strutturistica Chimica dell'Universitá di Parma, Via M. D'Azeglio 85, 43100, Parma, Italy

    Giovanni Dario Andreetti & Franco Ugozzoli

Authors
  1. Rocco Ungaro
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  2. Andrea Pochini
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  3. Giovanni Dario Andreetti
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  4. Franco Ugozzoli
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Additional information

Supplementary Data relating to this article are deposited with the British Library as Supplementary Publication SUP 82025 (22 pages).

For part 11 see [1].

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Ungaro, R., Pochini, A., Andreetti, G.D. et al. Molecular inclusion in functionalized macrocycles. Part 12. Crystal and molecular structure of ap-(1,1,3,3)-tetramethylbutylcalix[8]arene octapodand. Journal of Inclusion Phenomena 3, 409–420 (1985). https://doi.org/10.1007/BF00657493

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  • DOI: https://doi.org/10.1007/BF00657493

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