期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 180, 期 -, 页码 154-170出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2019.07.002
关键词
Thiazole; Benzothiazole; CB2 ligands; CB2 agonists; Structure-activity relationship; DSS-Induced colitis
资金
- National Institute of Mental Health's Psychoactive Drug Screening Program [HHSN-271-2018-00023-C]
- COFUND scheme Marie Sklodowska - Curie Actions
- Faculty of Postgraduate Studies, GUC
The strong therapeutic potential of CB2 receptor agonists for use as anti-inflammatory agents that lack psychiatric side effects has attracted substantial interest. We herein describe the rational design and synthesis of novel thiazole and benzothiazole derivatives and the evaluation of their binding affinity and functional activity on CB1 and CB2 receptors. The series with the general formula N-(3-pentylbenzo [d] thiazol-2(3H)-ylidene) carboxamide (compounds 6a-6d) exhibited the highest affinity and selectivity towards CB2 receptors with K(i)s in the picomolar or low nanomolar range, and selectivity indices (K-i hCB1/K-i hCB2) reaching up to 429 fold. Notably, these compounds also demonstrated an agonistic functional activity in cellular assays with EC(50)s in the low nanomolar range. More interestingly, compound 6d, the 3-(trifluoromethyl)benzamide derivative, exhibited remarkable protection against DSS-induced acute colitis in mice model. (C) 2019 Elsevier Masson SAS. All rights reserved.
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