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KMID : 0043320100330050655
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Archives of Pharmacal Research
2010 Volume.33 No. 5 p.655 ~ p.662
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Synthesis and Anticonvulsant Activity of 1-Formamide-triazolo[4,3- a]quinoline Derivatives
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Quan Zhe Shan
Wei Cheng-Xi
Deng Xian Qing
Chai Kyu-Yun
Sun Zhi-Gang
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Abstract
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Using 6-hydroxy-3,4-dihydro-2(1H)-quinolone as the starting material, a series of 1-formamide-triazolo[4, 3-a]quinoline derivatives (6a-6n) was synthesized, the anticonvulsant effect and neurotoxicity of the compounds was calculated with maximal electroshock test and rotarod tests with intraperitoneally injected in KunMing mice. The results demonstrated that compound 7-(hexyloxy)-4,5-dihydro-[1,2,4] triazolo[4,3-a]quinoline-1-carboxamide (6d) was the most active one and also had the lowest toxicity. In the anti-maximal electroshock potency test, it showed median effective dose (ED50) of 30.1 mg/kg, median toxicity dose (TD50) of 286 mg/kg, and the protective index of 9.5 which is greater than the reference drug carbamazepine with the protective index value of 6.0.
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KEYWORD
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Synthesis, Triazole, Quinoline, Formamide, Anticonvulsant, Toxicity
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