Category: piperidines

Martinez-Gonzalez, Sonia published the artcileDiscovery of novel triazolo[4,3-b]pyridazin-3-yl-quinoline derivatives as PIM inhibitors, COA of Formula: C10H20N2O2, the main research area is triazolopyridazinylquinoline derivative PIM kinase inhibition antiproliferative anticancer; Anticancer agents; Antiproliferative activity; Chemical probes; PIM-1 inhibitors; Selective PIM-1/PIM-3 inhibitors; Synergistic effects; pan-PIM inhibitors.

PIM kinase family (PIM-1, PIM-2 and PIM-3) is an appealing target for the discovery and development of selective inhibitors, useful in various disease conditions in which these proteins are highly expressed, such as cancer. The significant effort put, in the recent years, towards the development of small mols. exhibiting inhibitory activity against this protein family has ended up with several mols. entering clin. trials. As part of our ongoing exploration for potential drug candidates that exhibit affinity towards this protein family, we have generated a novel chem. series of triazolo[4,3-b]pyridazine based tricycles by applying a scaffold hopping strategy over our previously reported potent pan-PIM inhibitor ETP-47453 (compound 2). The structure-activity relationship studies presented herein demonstrate a rather selective PIM-1/PIM-3 biochem. profile for this novel series of tricycles, although pan-PIM and PIM-1 inhibitors have also been identified. Selected examples show significant inhibition of the phosphorylation of BAD protein in a cell-based assay. Moreover, optimized and highly selective compounds, such as 42, did not show significant hERG inhibition at 20 μM concentration, and proved its antiproliferative activity and utility in combination with particular antitumoral agents in several tumor cell lines.

European Journal of Medicinal Chemistry published new progress about Acute myeloid leukemia. 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, COA of Formula: C10H20N2O2.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Dolbois, Aymeric published the artcile1,4,9-Triazaspiro[5.5]undecan-2-one Derivatives as Potent and Selective METTL3 Inhibitors, HPLC of Formula: 73874-95-0, the main research area is prostate cancer AML anticancer METTL3 inhibitors optimization crystallog ADME.

N6-methyladenosine (m6A) is the most frequent of the 160 RNA modifications reported so far. Accumulating evidence suggests that the METTL3/METTL14 protein complex, part of the m6A regulation machinery, is a key player in a variety of diseases including several types of cancer, type 2 diabetes, and viral infections. Here we report on a protein crystallog.-based medicinal chem. optimization of a METTL3 hit compound that has resulted in a 1400-fold potency improvement (IC50 of 5 nM for the lead compound 22 (UZH2)(I) in a time-resolved Forster resonance energy transfer (TR-FRET) assay). The series has favorable ADME properties as physicochem. characteristics were taken into account during hit optimization. UZH2 shows target engagement in cells and is able to reduce the m6A/A level of polyadenylated RNA in MOLM-13 (acute myeloid leukemia) and PC-3 (prostate cancer) cell lines.

Journal of Medicinal Chemistry published new progress about Acute myeloid leukemia. 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, HPLC of Formula: 73874-95-0.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Kanouni, Toufike published the artcileDiscovery of CC-90011: A Potent and Selective Reversible Inhibitor of Lysine Specific Demethylase 1 (LSD1), Name: tert-Butyl piperidin-4-ylcarbamate, the main research area is CC90011 inhibitor lysine specific demethylase 1 LSD1.

Histone demethylase LSDl (KDMlA) belongs to the FAD dependent family of monoamine oxidases and is vital in regulation of mammalian biol. Dysregulation and overexpression of LSD1 are hallmarks of a number of human diseases, particularly cancers that are characterized as morphol. poorly differentiated. As such, inhibitors of LSD1 have potential to be beneficial as a cancer therapy. The most clin. advanced inhibitors of LSDl are covalent inhibitors derived from tranylcypromine (TCP). Herein, we report the discovery of a novel series of reversible and selective LSDl inhibitors. Exploration of structure-activity relationships (SARs) and optimization of ADME properties resulted in the identification of clin. candidate CC-90011. CC-90011 exhibits potent on-target induction of cellular differentiation in acute myeloid leukemia (AML) and small cell lung cancer (SCLC) cell lines, and antitumor efficacy in patient-derived xenograft (PDX) SCLC models. CC-90011 is currently in phase 2 trials in patients with first line, extensive stage SCLC (ClinicalTrials.gov identifier: NCT03850067).

Journal of Medicinal Chemistry published new progress about Acute myeloid leukemia. 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, Name: tert-Butyl piperidin-4-ylcarbamate.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Zhang, Shengrui published the artcileMerocyanine-based turn-on fluorescent probe for the sensitive and selective determination of thiophenols via a pKa shift mechanism, Formula: C10H20N2O2, the main research area is merocyanine fluorescent probe thiophenol acid dissociation constant shift mechanism; Fluorescent probe; Merocyanine; Thiophenol; pK(a) shift.

The development of fluorescent probes for the sensitive and selective determination of highly toxic thiophenols is considerably important in the fields of biol. and environmental sciences. Herein, a turn-on fluorescent probe for thiophenol, named MCSH, was constructed based on a pKa shift mechanism, employing merocyanine dye as the fluorophore and 2,-4-dinitrobenzenesulfonamide (DNBS) group as the recognition unit. The imine nitrogen of MCSH has a pKa value of 4.12, which renders its non-fluorescent Schiff base form exclusively under neutral conditions. However, after reacting with thiophenols, its DNBS group was removed to afford a merocyanine dye as the final product, whose pKa value upshifts to 8.11, and was present mainly as the fluorescent protonated Schiff base form under neutral media. Such drastic change in pKa values leads to a significant fluorescence enhancement and can be utilized for the detection of thiophenols. The fluorescence intensity at 627 nm increases linearly with thiophenol concentration in the range of 0.2-3μM with a detection limit of 15 nM (S/N = 3). MCSH displays high selectivity for the detection of thiophenols over a wide range of other analytes, including aliphatic thiols. Furthermore, the preliminary applications of MCSH for monitoring thiophenols in living cells and environmental have been carried out.

Talanta published new progress about Analytical test strips. 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, Formula: C10H20N2O2.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Sluder, Ann published the artcileSpiroindolines identify the vesicular acetylcholine transporter as a novel target for insecticide action, HPLC of Formula: 637362-21-1, the main research area is spiroindoline insecticide target vesicular acetylcholine transporter.

The efficacy of all major insecticide classes continues to be eroded by the development of resistance mediated, in part, by selection of alleles encoding insecticide insensitive target proteins. The discovery of new insecticide classes acting at novel protein binding sites is therefore important for the continued protection of the food supply from insect predators, and of human and animal health from insect borne disease. Here we describe a novel class of insecticides (Spiroindolines) encompassing mols. that combine excellent activity against major agricultural pest species with low mammalian toxicity. We confidently assign the vesicular acetylcholine transporter as the mol. target of Spiroindolines through the combination of mol. genetics in model organisms with a pharmacol. approach in insect tissues. The vesicular acetylcholine transporter can now be added to the list of validated insecticide targets in the acetylcholine signaling pathway and we anticipate that this will lead to the discovery of novel mols. useful in sustaining agriculture. In addition to their potential as insecticides and nematocides, Spiroindolines represent the only other class of chem. ligands for the vesicular acetylcholine transporter since those based on the discovery of vesamicol over 40 years ago, and as such, have potential to provide more selective tools for PET imaging in the diagnosis of neurodegenerative disease. They also provide novel biochem. tools for studies of the function of this protein family.

PLoS One published new progress about Caenorhabditis elegans. 637362-21-1 belongs to class piperidines, name is tert-Butyl 5-chlorospiro[indoline-3,4′-piperidine]-1′-carboxylate, and the molecular formula is C17H23ClN2O2, HPLC of Formula: 637362-21-1.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Rossino, Giacomo published the artcileNew Insights into the Opening of the Occluded Ligand-Binding Pocket of Sigma1 Receptor: Binding of a Novel Bivalent RC-33 Derivative, Recommanded Product: tert-Butyl piperidin-4-ylcarbamate, the main research area is human Sigma1 receptor ligand binding pocket opening RC33 derivative.

Significant progresses have been made to understand the mol. basis of the Sigma1 receptor (S1R) operating in normal and pathol. conditions. S1R is a transmembrane protein that participates in a wide variety of processes at the central nervous system; hence, its function has been associated with mental and neurol. disorders. Several ligands have been proposed to regulate the function of S1R revealing a high plasticity of the ligand-binding pocket. Previous drug-design studies have been mainly based on pharmacophore models; however, the recently revealed crystal structure of S1R provides an excellent opportunity for verifying previous predictions and for evaluating the binding of novel compounds Interestingly, the crystal structure shows that the binding pocket of S1R is highly occluded from solvent; therefore, it is not clear how ligands access this site. In the present work, we applied steered mol. dynamics (SMD) simulations to open the occluded ligand-binding pocket in the S1R crystal structure and to determine the preferred ligand pathway to enter and exit the binding site. The intracellular surface of the β-barrel ligand-binding region was found the most favorable route to accommodate ligands. This route supports the binding of RC-33 (our inhouse-developed S1R modulator) and a new bivalent derivative that constitutes the first divalent structure showed to interact with S1R. Free energy calculations of these compounds associated to S1R agree with exptl. Ki values and provide mol. insights of the binding mode of modulators that could access the S1R ligand-binding pocket through the cytoplasmic region.

Journal of Chemical Information and Modeling published new progress about Central nervous system. 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, Recommanded Product: tert-Butyl piperidin-4-ylcarbamate.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Song, Wanchao published the artcileNanofiltration desalination of reverse osmosis concentrate pretreated by advanced oxidation with ultrafiltration: Response surface optimization and exploration of membrane fouling, Formula: C28H52N2O4, the main research area is nanofiltration desalination reverse osmosis advanced oxidation ultrafiltration membrane fouling.

Reverse osmosis (RO) technique has been widely used in the advanced treatment of industrial water and wastewater. However, this process generates a large amount of reverse osmosis concentrate (ROC) which contain high salinity and organic contaminants, and therefore pose serious environmental problems. This study explored the potential of advanced oxidation processes-ultrafiltration (AOPs-UF) pretreatment system and nanofiltration (NF90, Dow Chems.) membrane system for ROC desalination. Under the optimal conditions, 78% of COD and 81% of UV254 pollutants were removed by using advanced oxidation processes with ultrafiltration pretreatment technol. Box-Behnken design (BBD) results showed that the maximum total soluble salts rejection of 97.75% was obtained under the optimized conditions of nanofiltration membrane (the 1.18 MPa operating pressure, 6.79°C feed temperature, 64.33 min filtration time). A combined membrane cleaning method was finally determined via surface morphol. characterization by the comparison of scanning electron microscope (SEM), X-ray energy dispersive anal. (EDS) and Fourier transform IR (FTIR) technique anal. The results confirmed the possibility of advanced oxidation coupled membrane treatment process to treat ROC and realize its reuse. Moreover, by evaluating the benefit calculation, it provides insights for the treatment of industrial wastewater.

Journal of Environmental Chemical Engineering published new progress about Chemical oxygen demand. 52829-07-9 belongs to class piperidines, name is Bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate, and the molecular formula is C28H52N2O4, Formula: C28H52N2O4.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Sun, Ning published the artcileDevelopment of a Brigatinib degrader (SIAIS117) as a potential treatment for ALK positive cancer resistance, Application of tert-Butyl piperidin-4-ylcarbamate, the main research area is brigatinib PROTAC preparation ALK pos cancer resistance; ALCL; ALK; Brigatinib; Degrader; NSCLC; PROTAC; Resistance; VHL.

EML4-ALK and NPM-ALK fusion proteins possess constitutively activated ALK (anaplastic lymphoma kinase) activity, which in turn leads to the development of non-small cell lung cancer and anaplastic large-cell lymphomas (ALCLs). FDA-approved ALK inhibitor drugs cause significant cancer regression. However, drug resistance eventually occurs and it becomes a big obstacle in clinic. Novel proteolysis targeting chimera (PROTAC) technol. platform provides a potential therapeutic strategy for drug resistance. Herein, we designed and synthesized a series of ALK PROTACs based on Brigatinib and VHL-1 conjunction, and screened SIAIS117 as the best degrader which not only blocked the growth of SR and H2228 cancer cell lines, but also degraded ALK protein. In addition, SIAIS117 also showed much better growth inhibition effect than Brigatinib on 293T cell line that exogenously expressed G1202R-resistant ALK proteins. Furthermore, it also degraded G1202R mutant ALK protein in vitro. At last, it has the potentially anti-proliferation ability of small cell lung cancer. Thus, we have successfully generated the degrader SIAIS117 that can potentially overcome resistance in cancer targeted therapy.

European Journal of Medicinal Chemistry published new progress about Antitumor agent resistance. 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, Application of tert-Butyl piperidin-4-ylcarbamate.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Cagli, Eda published the artcileAn experimental and computational approach to pH-dependent self-aggregation of poly(2-isopropyl-2-oxazoline), Recommanded Product: tert-Butyl piperidin-4-ylcarbamate, the main research area is polyisopropyl oxazoline pH self assembly water interaction DFT.

Besides temperature, self-aggregation of poly(2-isopropyl-2-oxazoline) (PIPOX) can also be triggered via pH in aqueous solution (25°, pH > 5). Lowest energy structures and interaction energies of PIPOX with H3O+, OH-, and H2O were calculated by DFT methods showed that, in addition to their ability to protonate PIPOX, H3O+ ions had strong interaction with both H2O and PIPOX in acidic conditions. H3O+ ions acted as compatibilizer between PIPOX and H2O and increased the solubility of PIPOX. OH- ions have stronger interaction with H2O compared to PIPOX resulting in desorption of H2O mols. from PIPOX phase and decreased solubility, leading to enhanced hydrophobic interactions among Me2CH groups of PIPOX and formation of aggregates at high pH. Results concerning the effect of end-groups on aggregate size were in good agreement with statistical mechanics calculations Also, the effect of polymer concentration on the aggregate size was examined © 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2018.

Journal of Polymer Science, Part B: Polymer Physics published new progress about Density functional theory. 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, Recommanded Product: tert-Butyl piperidin-4-ylcarbamate.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Rabal, Obdulia published the artcileDesign and Synthesis of Novel Epigenetic Inhibitors Targeting Histone Deacetylases, DNA Methyltransferase 1, and Lysine Methyltransferase G9a with In Vivo Efficacy in Multiple Myeloma, Recommanded Product: tert-Butyl piperidin-4-ylcarbamate, the main research area is histone deacetylases DNA methyltransferase G9a inhibitors multiple myeloma antitumor.

Concomitant inhibition of key epigenetic pathways involved in silencing tumor suppressor genes has been recognized as a promising strategy for cancer therapy. Herein, we report a first-in-class series of quinoline-based analogs that simultaneously inhibit histone deacetylases (from a low nanomolar range) and DNA methyltransferase-1 (from a mid-nanomolar range, IC50 < 200 nM). Addnl., lysine methyltransferase G9a inhibitory activity is achieved (from a low nanomolar range) by introduction of a key lysine mimic group at the 7-position of the quinoline ring. The corresponding epigenetic functional cellular responses are observed: histone-3 acetylation, DNA hypomethylation, and decreased histone-3 methylation at lysine-9. These chem. probes, multi-target epigenetic inhibitors, were validated against the multiple myeloma cell line MM1.S, demonstrating promising in vitro activity of 12a (CM-444) with GI50 of 32 nM, an adequate therapeutic window (>1 log unit), and a suitable pharmacokinetic profile. In vivo, 12a achieved significant antitumor efficacy in a xenograft mouse model of human multiple myeloma.

Journal of Medicinal Chemistry published new progress about Acetylation (histone H3). 73874-95-0 belongs to class piperidines, name is tert-Butyl piperidin-4-ylcarbamate, and the molecular formula is C10H20N2O2, Recommanded Product: tert-Butyl piperidin-4-ylcarbamate.

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem