喹喔啉酮并雜環(huán)類衍生物的設(shè)計合成及其抗抑郁、抗炎活性的研究
[Abstract]:Quinoquinoline is an important heterocyclic compound which replaces two carbon atoms of naphthalene ring by nitrogen atom. Because of its extensive biological activity, quinoquinolines have attracted much attention in pharmaceutical chemistry and pharmacology. The first part of the experiment is the design of antidepressant compounds. Depression is a common mental illness, causing harm to people's physical health, seriously affecting the quality of life of the patients, increasing the risk of suicide of the patients, and also bringing a burden to the medical treatment. In the experiment, a series of 5-alkyl-tetrazolium [1,5a] quinoxaline-4 (5H)-one (5a-5t) were synthesized by condensation, chloro, hydrazine and alkylation reactions, and the compounds 7,9,13, 17,17, which were spliced with different heterocycles, were designed and synthesized by condensation, chloro, hydrazine and alkylation. There are 27 compounds in total. The antidepressant activity was evaluated by forced swimming and tail suspension test models of classic antidepressant experiments. Fluoxetine was used as a positive control drug and the false positive effect of spontaneous activity in mice was determined by open-field test. The results of pharmacological experiments on antidepressant activity showed that most of the compounds in the 5a-5t series showed antidepressant activity at the dose of 50 mg/kg. The compound was the most significant in 5 days. Compared with fluoxetine (59.71%), the immobility time of mice was shortened by 64.27% at 50 mg/kg dose compared with that of fluoxetine (59. 71%). The pharmacological activity of the compound was compared with that of different heterocyclic compounds for 5 days. The results showed that the antidepressant activity of the compound with tetrazolium as heterocyclic ring was the most significant. In the study of dose-effect relationship, the compound showed a dose-dependent effect on the results of 50, 25 and 10 mg/kg forced swimming at different doses for 5 days. In the open-field experiment, the blank control group showed that compound 5 days had no obvious effect on the autonomic movement of mice, indicating that the pharmacological results of forced swimming and tail suspension test had nothing to do with the central nervous system, and further proved the antidepressant effect of the compound for 5 days. The second part is the design of anti-inflammatory compounds. Non-steroidal anti-inflammatory drugs (NSAIDs) are currently the most conventional drug used in the treatment of inflammation worldwide, which is mainly used to treat various clinical symptoms and relieve inflammation-related symptoms. However, long-term use of NSAIDs can potentially increase the risk of adverse reactions such as gastrointestinal and upper gastrointestinal complications. At present, the widely used non-steroidal anti-inflammatory drugs have great side effects. In order to find the anti-inflammatory drugs with high safety and better efficacy, the structure was modified on the basis of the series of IV compounds studied in the laboratory, and o-phenylenediamine was used as the starting material. A series of 20 compounds of 5-alkyl-4-oxo-4,5-dihydro-[1,2,4] triazo [4,3a] quinoxaline-1-formamide derivatives (14a-14t) were designed and synthesized. Studies on the anti-inflammatory activity of compound 14a-14t are under way. A total of 47 compounds were synthesized in the two experiments, and their chemical structures were confirmed by IR, NMR and MS.
【學(xué)位授予單位】:延邊大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:R914;R96
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