Cyclohexylcarbamic Acid 3‘- or 4‘-Substituted Biphenyl-3-yl Esters as Fatty Acid Amide Hydrolase Inhibitors: Synthesis, Quantitative Structure−Activity Relationships, and Molecular Modeling Studies
摘要:
Fatty acid amide hydrolase (FAAH) is a promising target for modulating endocannabinoid and fatty acid ethanolamide signaling, which may have important therapeutic potential. We recently described a new class of O-arylcarbamate inhibitors of FAAH, including the cyclohexylcarbamic acid biphenyl-3-yl ester URB524 (half-maximal inhibitory concentration, IC50 = 63 nM), which have significant anxiolytic-like properties in rats. In the present study, by introducing a selected group of substituents at the meta and para positions of the distal phenyl ring of URB524, we have characterized structure-activity profiles for this series of compounds and shown that introduction of small polar groups in the meta position greatly improves inhibitory potency. Most potent in the series was the m-carbamoyl derivative URB597 (4i, IC50 = 4.6 nM). Furthermore, quantitative structure-activity relationship (QSAR) analysis of an extended set of meta-substituted derivatives revealed a negative correlation between potency and lipophilicity and suggested that small-sized substituents may undertake polar interactions with the binding pocket of the enzyme. Docking studies and molecular dynamics simulations, using the crystal structure of FAAH, indicated that the O-biphenyl scaffold of the carbamate inhibitors can be accommodated within a lipophilic region of the substrate-binding site, where their folded shape mimics the initial 10-12 carbon atoms of the arachidonyl moiety of anandamide (a natural FAAH substrate) and methyl arachidonyl fluorophosphonate (a nonselective FAAH inhibitor). Moreover, substituents at the meta position of the distal. phenyl ring can form hydrogen bonds with atoms located on the polar section of a narrow channel pointing toward the membrane-associated side of the enzyme. The structure-activity characterization reported here should help optimize the pharmacodynamic and pharmacokinetic properties of this class of compounds.
Novel Diarylurea Based Allosteric Modulators of the Cannabinoid CB1 Receptor: Evaluation of Importance of 6-Pyrrolidinylpyridinyl Substitution
作者:Thuy Nguyen、Nadezhda German、Ann M. Decker、Tiffany L. Langston、Thomas F. Gamage、Charlotte E. Farquhar、Jun-Xu Li、Jenny L. Wiley、Brian F. Thomas、Yanan Zhang
DOI:10.1021/acs.jmedchem.7b00707
日期:2017.9.14
Allostericmodulators of the cannabinoid CB1receptor have recently been reported as an alternative approach to modulate the CB1receptor for therapeutic benefits. In this study, we report the design and synthesis of a series of diarylureas derived from PSNCBAM-1 (2). Similar to 2, these diarylureas dose-dependently inhibited CP55,940-induced intracellular calcium mobilization and [35S]GTP-γ-S binding
[EN] DIARYLUREAS AS CB1 ALLOSTERIC MODULATORS<br/>[FR] DIARYLURÉES EN TANT QUE MODULATEURS ALLOSTÉRIQUES DE CB1
申请人:RTI INT
公开号:WO2018209030A1
公开(公告)日:2018-11-15
The present invention provides novel diarylurea derivatives (compounds of formula (I)) and their uses. The compounds of the present invention are demonstrated to be allosteric modulators of the CB1 receptor, and therefore useful for the treatment of diseases and conditions mediated by CB1.
Modulators or Alpha7 Nicotinic Acetylcholine Receptors and Therapeutic Uses Thereof
申请人:Gaviraghi Giovanni
公开号:US20080275028A1
公开(公告)日:2008-11-06
The present invention relates to compounds with α7 nAChR agonistic activity, processes for their preparation, pharmaceutical compositions containing the same and the use thereof for the treatment of neurological, psychiatric, cognitive, immunological and inflammatory disorders.
The present invention relates to novel phthalazine derivatives and, more particularly, to phthalazine derivatives that are useful as protein kinase inhibitors. The invention also relates to methods of preparing the compounds, compositions containing the compounds, and methods of treatment using the compounds.
A method for producing a biaryl compound, comprising reacting an aromatic organic compound with at least one compound selected from the group consisting of aromatic organoboron compounds and boroxine compounds, in the presence of a zero-valent nickel catalyst, phosphine ligand and base.