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E-Journal of Chemistry
Volume 9 (2012), Issue 3, Pages 1213-1222

A Comparative Study of Inclusion Complexes of Orthosubstituted [Arylidenamino]-1,3,4- thiadiazino[6,5b] Indole Derivatives

P.G. Department of Chemistry, Berhampur University, Bhanja Bihar, Odisha, India

Received 9 August 2011; Accepted 4 October 2011

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Some[Arylidenamino]-1,3,4-thiadiazino[6,5b] indoles have been synthesized starting from indole-2,3-dione, thiosemicarbazide and aromatic aldehydes with activating and deactivating groups. Inclusion complexes of these compounds have been prepared with β-cyclodextrin so as increase the solubility and bioaccessibility. Thermodynamic properties like change in free energy, change in enthalpy, change in entropy and stability constant of the inclusion complexes have been determined to know whether the inclusion complex formation is thermodynamically allowed or not. The compounds and their inclusion complexes are also screened againt S.aureus and know the antibacterial activity change after inclusion complex formation The antioxidant activities are also studied.