Synthesis and Anticonvulsant Activity of Some 4-nitro-n-phenylbenzamides

Bailleux, V.;Vallee, L.;Nuyts, JP.;Hamoir, G.;Vamecq, J.;et.al.
(1995) European Journal of Medicinal Chemistry — Vol. 30, n° 5, p. 439-444 (1995)

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Authors
  • Bailleux, V.
    Author
  • Vallee, L.
    Author
  • Nuyts, JP.
    Author
  • Hamoir, G.
    Author
  • Poupaert, JacquesUCLouvain
    Author
  • Vamecq, J.
    Author
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Abstract
A short series of 4-nitro-N-phenylbenzamides was synthesized and evaluated for anticonvulsant properties and neurotoxicity. In mice dosed intraperitoneally, three of the four 4-nitro-N-phenylbenzamides were efficient in the maximal electroshock-induced seizure (MES) test, especially N-(2,6-dimethylphenyl)-4-nitrobenzamide (EDS, value in the MES test = 31.8 mu mol/kg, TD,, = 166.9 mu mol/kg, protective index [PI] = 5.2) and N-(2-chloro-6-methylphenyl)-4-nitrobenzamide (ED(50) value in the MES test = 90.3 mu mol/kg, TD50 = 1.068 mu mol/kg, PI = 11.8). The latter 4-nitro-N-phenylbenzamide was also found to be active against seizures induced by subcutaneous pentylenetetrazole (sc Ptz) and was selected for further evaluation in rats dosed orally. In these conditions, N-(2-chloro-6-melhylphenyl)-4-nitrobenzamide was found to be, in the MES test, three times more active than phenytoin and 4-amino-N-(2,6-dimethylphenyl)benzamide, two potent anti-MES agents.
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Citations

Bailleux, V., Vallee, L., Nuyts, JP., Hamoir, G., Poupaert, J., Stables, JP., & Vamecq, J. (1995). Synthesis and Anticonvulsant Activity of Some 4-nitro-n-phenylbenzamides. European Journal of Medicinal Chemistry, 30(5), 439-444. https://doi.org/10.1016/0223-5234(96)88254-7 (Original work published 1995)