42718-15-0Relevant academic research and scientific papers
Hydroxamic Acid Inhibitors Provide Cross-Species Inhibition of Plasmodium M1 and M17 Aminopeptidases
Vinh, Natalie B.,Drinkwater, Nyssa,Malcolm, Tess R.,Kassiou, Michael,Lucantoni, Leonardo,Grin, Peter M.,Butler, Georgina S.,Duffy, Sandra,Overall, Christopher M.,Avery, Vicky M.,Scammells, Peter J.,McGowan, Sheena
, p. 622 - 640 (2019)
There is an urgent clinical need for antimalarial compounds that target malaria caused by both Plasmodium falciparum and Plasmodium vivax. The M1 and M17 metalloexopeptidases play key roles in Plasmodium hemoglobin digestion and are validated drug targets. We used a multitarget strategy to rationally design inhibitors capable of potent inhibition of the M1 and M17 aminopeptidases from both P. falciparum (Pf-M1 and Pf-M17) and P. vivax (Pv-M1 and Pv-M17). The novel chemical series contains a hydroxamic acid zinc binding group to coordinate catalytic zinc ion/s, and a variety of hydrophobic groups to probe the S1′ pockets of the four target enzymes. Structural characterization by cocrystallization showed that selected compounds utilize new and unexpected binding modes; most notably, compounds substituted with bulky hydrophobic substituents displace the Pf-M17 catalytic zinc ion. Excitingly, key compounds of the series potently inhibit all four molecular targets and show antimalarial activity comparable to current clinical candidates.
A Structure?Activity Relationship Study of Novel Hydroxamic Acid Inhibitors around the S1 Subsite of Human Aminopeptidase N
Lee, Jisook,Drinkwater, Nyssa,McGowan, Sheena,Scammells, Peter
, p. 234 - 249 (2020/10/28)
Aminopeptidase N (APN/CD13) is a zinc-dependent ubiquitous transmembrane ectoenzyme that is widely present in different types of cells. APN is one of the most extensively studied metalloaminopeptidases as an anti-cancer target due to its significant role in the regulation of metastasis and angiogenesis. Previously, we identified a potent and selective APN inhibitor, N-(2-(Hydroxyamino)-2-oxo-1-(3′,4′,5′-trifluoro-[1,1′-biphenyl]-4-yl)ethyl)-4-(methylsulfonamido)benzamide (3). Herein, we report the further modifications performed to explore SAR around the S1 subsite of APN and to improve the physicochemical properties. A series of hydroxamic acid analogues were synthesised, and the pharmacological activities were evaluated in vitro. N-(1-(3′-Fluoro-[1,1′-biphenyl]-4-yl)-2-(hydroxyamino)-2-oxoethyl)-4-(methylsulfonamido)benzamide (6 f) was found to display an extremely potent inhibitory activity in the sub-nanomolar range.
NOVEL AMINOPEPTIDASE INHIBITORS AND METHODS OF USE
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Paragraph 0047, (2017/02/09)
An aminopeptidase inhibitor compound comprising a biaryl, hydroxamic acid based core of formula: wherein X is a 5 or 6-membered ring, and including pharmaceutically acceptable salts and solvates thereof.
Potent dual inhibitors of Plasmodium falciparum M1 and M17 aminopeptidases through optimization of S1 pocket interactions
Drinkwater, Nyssa,Vinh, Natalie B.,Mistry, Shailesh N.,Bamert, Rebecca S.,Ruggeri, Chiara,Holleran, John P.,Loganathan, Sasdekumar,Paiardini, Alessandro,Charman, Susan A.,Powell, Andrew K.,Avery, Vicky M.,McGowan, Sheena,Scammells, Peter J.
, p. 43 - 64 (2016/01/30)
Malaria remains a global health problem, and though international efforts for treatment and eradication have made some headway, the emergence of drug-resistant parasites threatens this progress. Antimalarial therapeutics acting via novel mechanisms are urgently required. Plasmodium falciparum M1 and M17 are neutral aminopeptidases which are essential for parasite growth and development. Previous work in our group has identified inhibitors capable of dual inhibition of PfA-M1 and PfA-M17, and revealed further regions within the protease S1 pockets that could be exploited in the development of ligands with improved inhibitory activity. Herein, we report the structure-based design and synthesis of novel hydroxamic acid analogues that are capable of potent inhibition of both PfA-M1 and PfA-M17. Furthermore, the developed compounds potently inhibit Pf growth in culture, including the multi-drug resistant strain Dd2. The ongoing development of dual PfA-M1/PfA-M17 inhibitors continues to be an attractive strategy for the design of novel antimalarial therapeutics.
AMIDE DERIVATIVES AS KINASE INHIBITORS
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Page/Page column 36-37, (2010/11/25)
The present invention relates to new AGC kinase inhibitors, in particular to compounds of Formula (I) or (II) or a stereoisomer, tautomer, racemic, metabolite, pro- or predrug, salt, hydrate, or solvate thereof, wherein Ar1, Ar2, R1, R3, p and n have the meaning defined in the claims. In particular, the present invention relates to more specifically ROCK inhibitors, compositions, in particular pharmaceuticals, comprising such inhibitors, and to uses of such inhibitors in the treatment and prophylaxis of disease.
