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Several 5-alkoxy-tetrazolo[1,5-a]quinazoline derivatives have been synthesized by reacting 2,4-dichloroquinazoline with various phenols or aliphatic alcohol and then with sodium azide. The structures of these compounds have been confirmed by IR, MS,( 1)H-NMR, and elementary analysis. Anticonvulsant activities were evaluated using the maximal electroshock(More)
A series of 4-(4-alkoxylphenyl)-3-ethyl-4H-1,2,4-triazole derivatives was synthesized as open-chain analogues of 7-alkoxyl-4,5-dihydro[1,2,4]triazolo[4,3-a]quinolines. Their anticonvulsant activities were evaluated by the maximal electroshock test (MES test) and their neurotoxicity was evaluated by the rotarod neurotoxicity test (Tox). MES test showed that(More)
To further investigate anticonvulsant activity of quinoline derivatives, a series of 7-alkoxy-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinoline-1(2H)-one derivatives was synthesized starting from 7-hydroxyl-3,4-dihydro-2(1H)-quinoline. In initial (phase I) screening and quantitative (phase II) evaluation, compound(More)
This study investigated the anticonvulsant activity of a new phthalazine tetrazole derivative, QUAN-0808 (6-(4-chlorophenoxy)-tetrazolo[5,1-a]phthalazine), in the mouse maximal electroshock (MES) seizure model. The neurotoxicity of QUAN-0808 was investigated using the rotarod neurotoxicity test in mice. QUAN-0808 exhibited higher activity (median effective(More)
A series of 2-substituted-6-(4H-1,2,4-triazol-4-yl)benzo[d]oxazoles were synthesized. The anticonvulsant effect and neurotoxicity of the compounds (intraperitoneally) were evaluated with the maximal electroshock (MES) test, subcutaneous pentylenetetrazole (sc-PTZ), and rotarod tests in mice. 2-Phenyl-6-(4H-1,2,4-triazol-4-yl)benzo[d]oxazole (3g) was the(More)
In this paper, the anticonvulsant characteristics of doxepin were evaluated in numerous experimental seizure models, including maximal electroshock (MES)-, pentylenetetrazole (PTZ)-, isoniazid (ISO)-, 3-mercaptopropionic acid (3-MP)-, bicuculline (BIC)-, thiosemicarbazide (THIO)-, and strychnine (STR)-induced seizures. In addition, the acute adverse-effect(More)
In an effort to develop potent antiplatelet agents, a series of trihydroxychalcones was synthesized and screened in vitro for their inhibitory effects on washed rabbit platelet aggregation induced by arachidonic acid (100 microM) and collagen (10 microg/ml). Of five compounds with potent inhibitory effects on arachidonic acid- and collagen-induced platelet(More)
Three types of quinoline derivatives, quinolin-2-one, 1-oxa-3,5-diaza-anthracen-6-one, and cyclopenta[a]anthracene, were designed and synthesized as potential anti-inflammatory agents. Their anti-inflammatory activities were evaluated using the xylene-induced ear-edema test in mice. Pharmacological analyses showed that compounds(More)
A series of 1-substituted-6-(4H-1,2,4-triazol-4-yl)-3,4-dihydroquinolin-2(1H)-ones were designed, synthesized, and screened for their antidepressant and anticonvulsant activities. Interestingly, compounds 5i, 5j, 5m, and 5n led to significant reductions in the immobility time in the forced swimming test at a dose of 50 mg/kg, and exhibited higher levels of(More)
The antidepressant-like effects of N-palmitoylethanolamide (PEA), a putative endocannabinoid, was investigated in mice using the tail suspension test (TST) and the forced swimming test (FST). In TST, PEA (10, 20, and 40 mg/kg) produced a statistically significant reduction in immobility (50, 32, and 34%, respectively, vs. the control group), whereas(More)