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논문 기본 정보

자료유형
학술저널
저자정보
Sun, Xian-Yu (College of Pharmacy, Yanbian University) Jin, Yun-Zhe (College of Pharmacy, Yanbian University) Li, Fu-Nan (Key Laboratory of Organism Functional Factors of the Changbai Mountain [Yanbian University], Ministry of Education) Li, Gao (Key Laboratory of Organism Functional Factors of the Changbai Mountain [Yanbian University], Ministry of Education) Chai, Kyu-Yun (Department of Chemistry, Wonkwang University) Quan, Zhe-Shan (Key Laboratory of Organism Functional Factors of the Changbai Mountain [Yanbian University], Ministry of Education)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제29권 제12호
발행연도
2006.1
수록면
1,080 - 1,085 (6page)

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A series of 8-alkoxy-4,5-dihydro-[1,2,4]triazole[4,3-a]quinoline-1-one derivatives were synthesized using 7-hydroxy-3,4-dihydro-2(1H)-quinolone as the starting material. Their anticonvulsant activities were evaluated by the maximal electroshock test (MES) and the subcutaneous pentylenetetrazole test (sc-PTZ), and their neurotoxicities were measured by the rotarod neurotoxicity test (Tox). The tests demonstrated that 8-hexyloxy-4,5-dihydro-[1.2.4]triazole[4.3-a]quinoline-1-one (4e) and 8-heptyloxy-4,5-dihydro-[1,2,4]triazole[4, 3-a]quinoline-1-one (4f) were the most potent anticonvulsants, with 4e having $ED_{50}$ values of 17.17 mg/kg and 24.55 mg/kg and protective index ($PI=TD_{50}/ED_{50}$) values of 41.9 and 29.3 in the MES and sc-PTZ tests, respectively, and 4f having $ED_{50}$ values of 19.7 mg/kg and 21.2 mg/kg and PI values of 36.5 and 33.9 in the MES and sc-PTZ tests, respectively. The PI values of 4e and 4f were many fold better than that of the marketed drugs phenytoin, carbamazepine, phenobarbital and valproate, which have PI values in the range of 1.6-8.1 in the MES test and <0.22-5.2 in the sc-PTZ test. Structure-activity relationships were also discussed.

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