- Design, synthesis and biological evaluation of 2-arylaminopyrimidine derivatives bearing 1,3,8-triazaspiro[4,5]decan-4-one or piperidine-3-carboxamide moiety as novel Type-I1/2 ALK inhibitors
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Aiming to develop novel Type-I1/2 inhibitors of ALK to overcome extensive resistance mutations, especially the L1196M mutation surrounding the ATP pocket, two series of 2-arylaminopyrimidine derivatives (11a-f and 22a-t) were designed based on scaffold hopping. The extensive structural elaboration discovered compound 22o which possessed excellent IC50 values of 0.06 and 0.23 μM against ALK-positive Karpas299 and H2228 cell lines, respectively. Meanwhile, 22o displayed encouraging inhibitory potency in the ALKWT (2.5 nM) and ALKL1196M (6.5 nM) enzymatic assays. Furthermore, the AO/EB and Hoechst 33258 assays illustrated 22o could induce cell apoptosis in a dose-dependent manner. Eventually, the molecular docking of 22o with ALK clearly presented the vital interactions within the active site, which was in accordance with Type-I1/2 inhibitor binding mode.
- Gong, Ping,Guo, Ming,Liu, Sicong,Miao, Xiuqi,Xing, Lingyun,Yin, Shiliang,Zhai, Xin,Zhang, Dajun,Zhang, Hong
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- 1,3,8-TRIAZASPIRO COMPOUNDS AND THEIR USE AS MEDICAMENTS FOR THE TREATMENT OF REPERFUSION INJURY
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The present invention relates to a 1,3,8-triazaspiro compound of Formula (I), wherein A is -CH2, -SO2 -, -NH-CO-, -NH-CS- or -CO-; the dashed line represents a single or double bond; R1 is a substituent selected from (C1-C3) alkyl, phenyl, thienyl and cyclohexyl, said substituent being optionally substituted by halogen or (C1 -C3) alkyl; and R2 is a substituent selected from H, (C1-C3) alkyl, (C1-C3) alkoxy, -CF3 and halogen; and wherein, when the dashed line is a double bond, A is -CH2 - and R1 is phenyl, or a pharmaceutically acceptable salt thereof for use in the treatment of reperfusion injury diseases. The 1,3,8-triazaspiro compound of the invention is a selective inhibitor of the C subunit of the F1/Fo-ATP synthase complex and a modulator of the mitochondrial permeability transition pore activity in mammalian cells and tissues, in the treatment of reperfusion injury diseases.
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- Discovery of Novel 1,3,8-Triazaspiro[4.5]decane Derivatives That Target the c Subunit of F1/FO-Adenosine Triphosphate (ATP) Synthase for the Treatment of Reperfusion Damage in Myocardial Infarction
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Recent cardiology research studies have reported the role, function, and structure of the mitochondrial permeability transition pore (mPTP) and have shown that its opening plays a key role in the progression of myocardial cell death secondary to reperfusion. In this manuscript, we validated a new pharmacological approach as an adjunct to reperfusion in myocardial infarction (MI) treatment and describe the discovery, optimization, and structure-activity relationship (SAR) studies of the first small-molecule mPTP opening inhibitors based on a 1,3,8-triazaspiro[4.5]decane scaffold that targets the c subunit of the F1/FO-ATP synthase complex. We identified three potential compounds with good mPTP inhibitory activity and beneficial effects in a model of MI, including a decreased apoptotic rate in the whole heart and overall improvement of cardiac function upon administration during reperfusion. The selected compounds did not show off-target effects at the cellular and mitochondrial levels. Moreover, the compounds preserved the mitochondrial ATP content despite interacting with the ATP synthase complex.
- Morciano, Giampaolo,Preti, Delia,Pedriali, Gaia,Aquila, Giorgio,Missiroli, Sonia,Fantinati, Anna,Caroccia, Natascia,Pacifico, Salvatore,Bonora, Massimo,Talarico, Anna,Morganti, Claudia,Rizzo, Paola,Ferrari, Roberto,Wieckowski, Mariusz R.,Campo, Gianluca,Giorgi, Carlotta,Trapella, Claudio,Pinton, Paolo
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p. 7131 - 7143
(2018/08/17)
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- Piperidone derivatives and medical uses thereof
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The present invention relates to compositions comprising 4-Oxo-piperidine-carboxylates and derivatives thereof, for example derivatives substituted with phenyl, nitrophenyl or benzyl groups. It also teaches the medical use of these and related compounds for treatment of retroviral diseases, in particular, HIV and HTLV, proliferative diseases, in particular CML and Trypanosomiasis.
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Page/Page column 17; 24
(2009/04/23)
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- In search of novel agents for therapy of tropical diseases and human immunodeficiency virus
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Malaria, sleeping sickness, Chagas' disease, Aleppo boil, and AIDS are among the tropical diseases causing millions of infections and cases of deaths per year because only inefficient chemotherapy is available. Since the targeting of the enzymes of the polyamine pathway may provide novel therapy options, we aimed to inhibit the deoxyhypusine hydroxylase, which is an important step in the biosynthesis of the eukaryotic initiation factor 5A. In order to identify new lead compounds, piperidines were produced and biologically evaluated. The 3,5-diethyl piperidone-3,5-dicarboxylates 11 and 13 substituted with 4-nitrophenyl rings in the 2 and 6 positions were found to be active against Trypanosoma brucei brucei and Plasmodium falciparum combined with low cytotoxicity against macrophages. The corresponding monocarboxylates are only highly active against the T. brucei brucei. The piperidine oximether 53 demonstrated the highest plasmodicidal activity. Moreover, compounds 11 and 53 were also able to inhibit replication of HIV-1.
- Goebel, Tim,Ulmer, Daniela,Projahn, Holger,Kloeckner, Jessica,Heller, Eberhard,Glaser, Melanie,Ponte-Sucre, Alicia,Specht, Sabine,Sarite, Salem Ramadan,Hoerauf, Achim,Kaiser, Annette,Hauber, Ilona,Hauber, Joachim,Holzgrabe, Ulrike
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p. 238 - 250
(2008/09/18)
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- Discovery of N-(2-aryl-cyclohexyl) substituted spiropiperidines as a novel class of GlyT1 inhibitors
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Screening of the Roche compound library led to the identification of cis-N-(2-phenyl-cyclohexyl)-spiropiperidine 1 as structurally novel GlyT1 inhibitor. The SAR, which was developed in this series, resulted in the discovery of highly potent compounds displaying excellent selectivity against the GlyT2 isoform.
- Pinard, Emmanuel,Ceccarelli, Simona M.,Stalder, Henri,Alberati, Daniela
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p. 349 - 353
(2007/10/03)
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