Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations

Schnatwinkel B, Rekharsky MV, Brodbeck R, Borovkov VV, Inoue Y, Mattay J (2009)
TETRAHEDRON 65(13): 2711-2715.

Journal Article | Published | English

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Abstract
The stability constants (K), standard free energy (Delta G degrees), enthalpy (Delta H degrees), and entropy changes (Delta S degrees) for the complexation of pyrogallol[4]arenes with ammonium cations of different size and shape have been determined in ethanol at 298 K by isothermal titration calorimetry. The trends observed in the thermodynamic parameters for 1:1 and/or 1:2 host-guest complexation correspond to the systematic structural changes of the guest molecules. On the basis of the results obtained we compare the complexation properties with two other resorcin[4]arenes and discuss the thermodynamic aspects of this supramolecular host-guest interactions. (c) 2009 Elsevier Ltd. All rights reserved.
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Schnatwinkel B, Rekharsky MV, Brodbeck R, Borovkov VV, Inoue Y, Mattay J. Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations. TETRAHEDRON. 2009;65(13):2711-2715.
Schnatwinkel, B., Rekharsky, M. V., Brodbeck, R., Borovkov, V. V., Inoue, Y., & Mattay, J. (2009). Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations. TETRAHEDRON, 65(13), 2711-2715.
Schnatwinkel, B., Rekharsky, M. V., Brodbeck, R., Borovkov, V. V., Inoue, Y., and Mattay, J. (2009). Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations. TETRAHEDRON 65, 2711-2715.
Schnatwinkel, B., et al., 2009. Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations. TETRAHEDRON, 65(13), p 2711-2715.
B. Schnatwinkel, et al., “Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations”, TETRAHEDRON, vol. 65, 2009, pp. 2711-2715.
Schnatwinkel, B., Rekharsky, M.V., Brodbeck, R., Borovkov, V.V., Inoue, Y., Mattay, J.: Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations. TETRAHEDRON. 65, 2711-2715 (2009).
Schnatwinkel, Bjoern, Rekharsky, Mikhail V., Brodbeck, Ralf, Borovkov, Victor V., Inoue, Yoshihisa, and Mattay, Jochen. “Thermodynamic aspects of the host-guest chemistry of pyrogallol[4]arenes and peralkylated ammonium cations”. TETRAHEDRON 65.13 (2009): 2711-2715.
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