79636-94-5Relevant academic research and scientific papers
Structural Simplification of a Tetrahydroquinoline-Core Peptidomimetic μ-Opioid Receptor (MOR) Agonist/δ-Opioid Receptor (DOR) Antagonist Produces Improved Metabolic Stability
Henry, Sean P.,Fernandez, Thomas J.,Anand, Jessica P.,Griggs, Nicholas W.,Traynor, John R.,Mosberg, Henry I.
, p. 4142 - 4157 (2019/05/06)
We have previously reported a series of μ-opioid receptor (MOR) agonist/δ-opioid receptor (DOR) antagonist ligands to serve as potential nonaddictive opioid analgesics. These ligands have been shown to be active in vivo, do not manifest withdrawal syndromes or reward behavior in conditioned-place preference assays in mice, and do not produce dependence. Although these attributes are promising, these analogues exhibit poor metabolic stability in mouse liver microsomes, likely due to the central tetrahydroquinoline scaffold in this series. As such, a structure-activity relationship (SAR) campaign was pursued to improve their metabolic stability. This resulted in a shift from our original bicyclic tetrahydroquinoline core to a monocyclic benzylic-core system. By eliminating one of the rings in this scaffold and exploring the SAR of this new core, two promising analogues were discovered. These analogues (5l and 5m) had potency and efficacy values at MOR better or comparable to morphine, retained their DOR-antagonist properties, and showed a 10-fold improvement in metabolic stability.
Synthesis and bioevaluation of substituted chalcones, coumaranones and other flavonoids as anti-HIV agents
Cole, Amy L.,Hossain, Sandra,Cole, Alex M.,Phanstiel, Otto
, p. 2768 - 2776 (2016/06/08)
A series of chalcone, flavone, coumaranone and other flavonoid compounds were screened for their anti HIV-1 activity in two cell culture models using TZM-bl and PM1 cells. Within the systems evaluated, the most promising compounds contained either an α- or β-hydroxy-carbonyl motif within their structure (e.g., 8 and 9). Efficacious substituents were identified and used to design new HIV inhibitors with increased potency and lower cytotoxicity. Of the scaffolds evaluated, specific chalcones were found to provide the best balance between anti-HIV potency and low host cell toxicity. Chalcone 8l was shown to inhibit different clinical isolates of HIV in a dose-dependent manner (e.g., IC50 typically ≤ 5 μM). Inhibition of HIV infection experiments using TZM-bl cells demonstrated that chalcone 8l and flavonol 9c had IC50 values of 4.7 μM and 10.4 μM, respectively. These insights were used to design new chalcones 8o and 8p. Rewardingly, chalcones 8o and 8p (at 10 μM) each gave >92% inhibition of viral propagation without impacting PM1 host cell viability. Inhibition of viral propagation significantly increased (60-90%) when PM1 cells were pre-incubated with chalcone 8o, but not with the related flavonol 9c. These results suggested that chalcone 8o may be of value as both a HIV prophylactic and therapy. In summary, O-benzyl-substituted chalcones were identified as promising anti-HIV agents for future investigation.
SPIRO AZETIDINE ISOXAZOLE DERIVATIVES AND THEIR USE AS SSTR5 ANTAGONISTS
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Paragraph 0376; 1073, (2014/09/29)
Provided is a compound represented by the following formula (1) or a salt thereof, which has an SSTR5 antagonistic action: wherein each symbol has the same definition as in the specification.
Development of flavonoid-based inverse agonists of the key signaling receptor US28 of human cytomegalovirus
Kralj, Ana,Nguyen, Mai-Thao,Tschammer, Nuska,Ocampo, Nicolette,Gesiotto, Quinto,Heinrich, Markus R.,Phanstiel, Otto
, p. 5019 - 5032 (2013/07/26)
A series of 31 chalcone- and flavonoid-based derivatives were synthesized in good overall yields and screened for their inverse agonist activity on the US28 receptor of human cytomegalovirus (HCMV). With one exception (e.g., 2-(5-bromo-2-methoxyphenyl)-3-hydroxy-4H-chromen-4-one), halogen-substituted flavonoids were typically more potent inverse agonists than their related hydro derivatives. While toxicity could be used to partially explain the inverse agonist activity of some members of the series, 5-(benzyloxy)-2-(5-bromo-2- methoxyphenyl)-4H-chromen-4-one (11b) acted on the US28 receptor as a nontoxic, inverse agonist. The full inverse agonism (efficacy, -89%) and potency (EC 50 = 3.5 μM) observed with flavonoid 11b is especially important as it provides both a new tool to study US28 signaling and a potential platform for the future development of HCMV-targeting drugs.
5-PHENYLBENZYLAMINE COMPOUNDS, PROCESS FOR THEIR PRODUCTION AND INTERMEDIATES FOR THEIR SYNTHESIS
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, (2008/06/13)
The present invention relates to a 5-phenylbenzylamine compound represented by the formula [1]: wherein Ring A represents a phenyl group having a substituent(s), ???Ra, Rb1 and Rb2 each represent hydrogen atom, a halogen a
Method for inhibition of HIV related viruses
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, (2008/06/13)
Treatment of AIDS, inhibition of the replication of HIV and related viruses thereof, and formulations using thiourea derivative compounds or salts thereof is disclosed. Also disclosed are novel thiourea derivative compounds.
FACILE CONVERSION OF ELECTRON RICH BENZYLIC HYDROCARBONS TO CARBONYL COMPOUNDS BY PEROXYDISULPHATE AND COPPER IONS
Bhatt, Vivekanada M.,Perumal, Thirumalai P.
, p. 2605 - 2608 (2007/10/02)
A convenient method for the conversion of electron rich benzylic hydrocarbons to carbonyl compounds is reported.
