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Synthesis and anticonvulsant properties of 1-(amino-N-arylmethanethio)-3-(1-substituted benzyl-2, 3-dioxoindolin-5-yl) urea derivatives.

Abstract
Various 1-(amino-N-arylmethanethio)-3-(1-substituted benzyl-2, 3-dioxoindolin-5-yl) urea (5a-p) were designed keeping in view the structural requirements suggested in the pharmacophore model for anticonvulsant activity. Their in vivo anticonvulsant screenings were performed by two most adopted seizure models, maximal electroshock seizure (MES) and subcutaneous pentylenetetrazole (scPTZ). Compound 5f was found active in MES screening while compounds 5h, 5i, 5k and 5l showed significant anticonvulsant activity in both the screenings and were devoid of any neurotoxicity. Compound 5h and 5i showed marked protection at 300 mg/kg against MES and scPTZ screening. Compound 5i also showed protection against MES screening at the dose of 100 mg/kg. In 6 Hz screening these two compounds showed significant protection and emerged as lead compounds for future investigations.
AuthorsNadeem Siddiqui, M Shamsher Alam, James P Stables
JournalEuropean journal of medicinal chemistry (Eur J Med Chem) Vol. 46 Issue 6 Pg. 2236-42 (Jun 2011) ISSN: 1768-3254 [Electronic] France
PMID21435751 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
CopyrightCopyright © 2011 Elsevier Masson SAS. All rights reserved.
Chemical References
  • Anticonvulsants
  • Urea
  • Pentylenetetrazole
Topics
  • Animals
  • Anticonvulsants (chemical synthesis, chemistry, pharmacology)
  • Disease Models, Animal
  • Dose-Response Relationship, Drug
  • Drug Evaluation, Preclinical
  • Electroshock
  • Mice
  • Molecular Structure
  • Pentylenetetrazole (administration & dosage, pharmacology)
  • Rats
  • Seizures (chemically induced, prevention & control)
  • Stereoisomerism
  • Structure-Activity Relationship
  • Urea (analogs & derivatives, chemistry, pharmacology)

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