Design, synthesis and biological evaluation of pyridinylmethylenepiperidine derivatives as potent 5-HT<sub>1F</sub> receptor agonists for migraine therapy.
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Abstract | :
Migraine is a common neurovascular disease which has been classified as the sixth most disabling disorder. Current migraine therapy was triptans, however, riptans can cause contraction of blood vessels. Therefore, novel drugs without cardiovascular effects emerged, such as CGRP and selective 5-HT receptor agonists. In this work, a series of pyridinylmethylenepiperidine derivatives were designed, synthesized and evaluated for their 5-HT receptor agonist activity. The results in vitro showed that compound C1-C6 displayed potent agonist activities compared with positive drug lasmiditan. Pharmacokinetic properties in rat indicated that 2,4,6-trifluoro-N-(6-(fluoro(1-methylpiperidin-4-ylidene)methyl)pyridin-2-yl)benzamide (C5) possessed high AUC and good bioavailability. In two rodent models of migraine, C5 significantly inhibited dural plasma protein extravasation and c-fos expression in the trigeminal nucleus caudalis. Moreover, C5 showed no effect on vasoconstriction. Through these studies, we identified C5 as a potent 5-HT receptor agonist for migraine therapy. |
Year of Publication | :
2021
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Journal | :
European journal of medicinal chemistry
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Volume | :
225
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Number of Pages | :
113782
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Date Published | :
2021
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ISSN Number | :
0223-5234
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URL | :
https://linkinghub.elsevier.com/retrieve/pii/S0223-5234(21)00631-0
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DOI | :
10.1016/j.ejmech.2021.113782
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Short Title | :
Eur J Med Chem
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