期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 58, 期 2, 页码 963-977出版社
AMER CHEMICAL SOC
DOI: 10.1021/jm501635e
关键词
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资金
- HEA-PRTLI-4 (Ireland)
- Trinity College Dublin
- University of the Basque Country (UPV/EHU), Spain
- Basque Government [IT616-13, SAIOTEK S-PE12UN033]
- University of the Basque Country [UFI 11/35]
- Ministry of Economy and Competitiveness [SAF2013-48586-R]
- Instituto de Salud Carlos III, Centro de Investigacion Biomedica en Red de Salud Mental, CIBERSAM
We have previously identified phenylguanidine and phenyl-2-aminoimidazoline compounds as high affinity ligands with conflicting functional activity at the alpha(2)-adrenoceptor, a G-protein-coupled receptor with relevance in several neuropsychiatric conditions. In this paper we describe the design, synthesis, and pharmacological evaluation of a new series of pyridine derivatives [para substituted 2- and 3-guanidino and 2- and 3-(2-aminoimidazolino)pyridines, disubstituted 2-guanidinopyridines and N-substituted-2-amino-1,4-dihydroquinazolines] that were found to be antagonists/inverse agonists of the alpha(2)-adrenoceptor. Furthermore, the compounds exert their effects at the alpha(2)-adrenoceptor both in vitro in human prefrontal cortex tissue and in vivo in rat brain as shown by microdialysis experiments. We also provide a docking study at the alpha(2A)- and alpha(2C)-adrenoceptor subtypes demonstrating the structural features required for high affinity binding to the receptor.
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