Journal of Chemical Sciences

, Volume 129, Issue 5, pp 579–587 | Cite as

Inclusion complexation of tetrabutylammonium iodide by cyclodextrins

Regular Article
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Abstract

Host-guest inclusion complex of an ionic solid (tetrabutyl ammonium iodide) with \(\upalpha \)- and \(\upbeta \)-cyclodextrin has been explored by various physicochemical and spectroscopic methods. Surface tension and conductivity studies indicated 1:1 stoichiometry of the inclusion complexes and \(^{1}\hbox {H}\) NMR and FT-IR studies substantiated the inclusion phenomenon. Density, viscosity and refractive index studies characterized the interactions of cyclodextrin with tetrabutyl ammonium iodide, which also indicated greater extent of encapsulation in \(\upbeta \)-cyclodextrin than in \(\upalpha \)-cyclodextrin. Hydrophobic effect, structural effect, electrostatic force and H-bonding interactions were mainly exploited to explicate the formation of inclusion complex.

Graphical Abstract.

Synopsis: This work shows the construction of host-guest inclusion complex of an ionic solid, tetrabutyl ammonium iodide, into the hydrophobic cavity of \(\alpha \)- and \(\beta \)-cyclodextrin. This study is based on the physicochemical parameters as well as spectroscopic data, which ascertain the efficiency of inclusion among ionic solid-cyclodextrin systems.

Keywords

\(\upalpha \)- and \(\upbeta \)-Cyclodextrins ionic solid inclusion complex 

Notes

Acknowledgements

The authors are immensely grateful to SAP, Department of Chemistry, NBU under University Grants Commission (UGC), New Delhi. M. N. R. is obliged to University Grants Commission, New Delhi, Government of India for the award of one time grant under Basic Scientific Research for his dynamic service in the sophisticated research work.

Supplementary material

12039_2017_1267_MOESM1_ESM.docx (87 kb)
Supplementary material 1 (docx 87 KB)

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Copyright information

© Indian Academy of Sciences 2017

Authors and Affiliations

  1. 1.Department of ChemistryUniversity of North BengalDarjeelingIndia

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