摘要
本论文是关于4-(1H-吡咯-2-基)-1,2,3,4-四氢喹啉类化合物的合成及镇痛活性与构效关系的研究。
四氢吡咯里嗪并[2,1-c]喹啉类化合物是在对芳氨甲基吡里酮衍生物Z-47的结构改造过程中发现的具有较强镇痛作用的吡里酮衍生物。本论文是在对其结构研究的基础上,对四氢吡咯里嗪并[2,1-c]喹啉类化合物的结构做进一步的简化,以强化其镇痛活性为目的,并结合阿片类镇痛药吗啡衍生物和哌替啶的构效关系,设计合成了二十个未见文献报道的4-(1H-吡咯-2-基)-1,2,3,4-四氢喹啉类化合物,其结构经~1H-NMR,MS确定。
以醋酸致小鼠扭体法对所合成的目标化合物进行镇痛活性试验。结果表明,以200mg/kg剂量小鼠灌胃给药,多数化合物显示出一定程度的镇痛作用,其中以FLY-1、FLY-6、FLY-12、FLY-14、FLY-15的镇痛作用较强,值得深入研究。初步总结了该类化合物的构效关系规律。
The study on synthesis and structure-activity relationships (SAR) of 4-(1H-pyrrol-2-yl)-tetrahydroquinoline derivatives is reported in this paper.
Tetrahydropyrrolizino[2, 1-c]quinoline derivatives were discovered to be a lead compound with highly analgesic activities. Based on the SAR of tetrahydropyrrolizino[2, 1-c]quinoline derivatives and Oripavine analgesic agents, twenty new compounds of 4-(1H-pyrrol-2-yl)-tetrahydroquinoline derivatives were designed and synthesized. Their chemical structures were characterized by ~1H-NMR and MS.
Acid-induced mice writhing was used to evaluate the analgesic activity. Pharmacological studies showed that most of the synthesized compounds displayed notable analgesic activities at a dose of 200 mg/kg. The activities of compounds FLY-1, FLY-6, FLY-12, FLY-14, FLY-15 are comparable to that of morphine at a dose of 10 mg/kg. They could be regarded as valuable compounds for further study. Some new SAR of these compounds was summarized.
引文
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