Category: Triazoles

Formula: C10H9BrN2S. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 4-(4-Bromophenyl)-5-methylthiazol-2-amine, is researched, Molecular C10H9BrN2S, CAS is 65705-44-4, about Identification of pirinixic acid derivatives bearing a 2-aminothiazole moiety combines dual PPARα/γ activation and dual 5-LO/mPGES-1 inhibition. Author is Hanke, Thomas; Lamers, Christina; Gomez, Roberto Carrasco; Schneider, Gisbert; Werz, Oliver; Schubert-Zsilavecz, Manfred.

The concept of dual PPARα/γ activation was originally proposed as a new approach for the treatment of the metabolic syndrome. However, recent results indicated that PPARα as well as PPARγ activation might also be beneficial in the treatment of inflammatory diseases and cancer. We have recently identified aminothiazole-featured pirinixic acids as dual 5-lipoxygenase (5-LO) and microsomal prostaglandin E2 synthase-1 (mPGES-1) inhibitors. Here we present the structure-activity relationship of these aminothiazole-featured pirinixic acids as dual PPARα/γ agonists and discuss their advantages with their potential as dual 5-LO/mPGES-1 inhibitors in inflammatory and cancer diseases. Various pirinixic acid derivatives had already been identified as dual PPARα/γ agonists. However, within this series of aminothiazole-featured pirinixic acids we were able to identify the most potent selective PPARγ agonistic pirinixic acid derivative (compound 13, (2-[(4-chloro-6-{[4-(naphthalen-2-yl)-1,3-thiazol-2-yl]amino}pyrimidin-2-yl)sulfanyl]octanoic acid)). Therefore, docking of 13 on PPARγ was performed to determine the potential binding mode.

From this literature《Identification of pirinixic acid derivatives bearing a 2-aminothiazole moiety combines dual PPARα/γ activation and dual 5-LO/mPGES-1 inhibition》,we know some information about this compound(65705-44-4)Formula: C10H9BrN2S, but this is not all information, there are many literatures related to this compound(65705-44-4).

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Scientia Pharmaceutica called A validated stability-indicating liquid chromatographic method for determination of degradation impurities and diastereomers in voriconazole tablets, Author is Shaikh, Kabeer A.; Patil, Ashish T., which mentions a compound: 86404-63-9, SMILESS is FC1=CC=C(C(CN2N=CN=C2)=O)C(F)=C1, Molecular C10H7F2N3O, COA of Formula: C10H7F2N3O.

A reversed-phase gradient liquid chromatog. method was developed for the quant. determination of Voriconazole, along with its degradation and diastereomeric impurities in tablet dosage form. Chromatog. separation was achieved on an Inertsil ODS 3V, 150 × 4.6 mm, 5 μm column. The mobile phase consisting of solvent A 0.05 M (M) potassium dihydrogen phosphate (pH 2.5 buffer) and solvent B (mixture of acetonitrile and MeOH in the ratio 90:10 (volume/volume)), was delivered at a flow rate of 1.2 mL min-1 with the detection wavelength at 256 nm. Resolution of Voriconazole and all 5 potential impurities was achieved at > 2.0 for all pairs of compounds The drug was subjected to stress conditions such as oxidative, acid and base hydrolysis, and thermal and photolytic degradation Voriconazole was found to degrade significantly under base hydrolysis stress conditions compared to acid hydrolysis stress conditions. The degradation products were well-resolved from the main peak and its impurities, thus proving the stability-indicating power of the method. The stressed samples were assayed against a reference standard and the mass balance was found to be close to 99.0%. The developed method was validated as per ICH guidelines with respect to specificity, linearity, limit of detection, limit of quantification, accuracy, precision, and robustness.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Design, synthesis, and biological evaluation of novel 1-(1H-1,2,4-triazole-1-yl)-2-(2,4-difluorophenyl)-3-substituted benzylamino-2-propanols, published in 2009-03-15, which mentions a compound: 86404-63-9, mainly applied to triazolyl difluorophenyl aralkylamino propanol preparation antifungal activity computational chem, Electric Literature of C10H7F2N3O.

Based on the results of computational docking to the active site of the cytochrome P 450 14α-demethylase (CYP51), a series of 1-(1H-1,2,4-triazole-1-yl)-2-(2,4-difluorophenyl)-3-substituted benzylamino-2-propanols, e.g., I, as analogs of fluconazole were designed, synthesized, and evaluated as antifungal agents. Results of preliminary antifungal tests against eight human pathogenic fungi in vitro showed that all the title compounds exhibited excellent activities with broad spectrum.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, Non-U.S. Gov’t, Bioorganic & Medicinal Chemistry called Unexpected small molecules as novel SIRT2 suicide inhibitors, Author is Chen, Xiaoxue; Zou, Yefang; Wang, Jie; Cao, Zhuoxian; Liu, Jingzi; Li, Yan; Zhao, Yonglong; He, Bin, which mentions a compound: 3222-47-7, SMILESS is O=C(O)C1=CN=C(C)C=C1, Molecular C7H7NO2, Safety of 6-Methylnicotinic acid.

A series of sirtuin inhibitor candidates were assembled based on an intermediate ester (1a) our accidently discovered. After screening and evaluation, several SIRT2 selective inhibitors were identified, which can inhibit all the deacetylation, defatty-acylation and debenzoylation of SIRT2. Among these inhibitors, compound 1e was the best SIRT2 selective inhibitors. The primary study on the inhibitory mechanism indicated that compound 1e may be a suicide inhibitor acting as an irreversible way. Given almost all reported sirtuin inhibitors are non-covalent, sirtuin covalent inhibitors are still need to be developed. These findings will facilitate for further development of SIRT2 selective and suicide inhibitors.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 3222-47-7, is researched, Molecular C7H7NO2, about Discovery of N-indanyl benzamides as potent RORγt inverse agonists, the main research direction is indanylbenzamide ROR gammat inverse agonist Th17 autoimmune disease drug; Autoimmune diseases; Binding modes; N-indanyl benzamides; RORγt inverse agonists; Th17 cells.Quality Control of 6-Methylnicotinic acid.

The retinoic acid receptor-related orphan receptor-gamma-t (RORγt) is a promising therapeutic target for treatment of Th17 cell-mediated autoimmune diseases. Based on a scaffold hopping/conformational restriction strategy, a series of N-indanyl benzamides as novel RORγt inverse agonists was discovered. Exploration of structure-activity relationship on the piperazine ring, benzoyl moiety and cyclopentyl moiety of N-indanyl benzamides 2a and 2d led to identification of potent RORγt inverse agonists. Compound 5c with (S)-enantiomer was found having an IC50 of 153.7 nM in Fluorescence Resonance Energy Transfer (FRET) assay, and an IC50 of 47.1 nM in mouse Th17 cell differentiation assay, which represents a promising starting point for developing potent small mol. RORγt inverse agonists. Binding modes of the two enantiomers 5c and 5d in RORγt ligand binding domain were also discussed.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Recommanded Product: 5-(Chloromethyl)nicotinonitrile. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 5-(Chloromethyl)nicotinonitrile, is researched, Molecular C7H5ClN2, CAS is 562074-59-3, about Symmetry-based ligand design and evaluation of small molecule inhibitors of programmed cell death-1/programmed death-ligand 1 interaction. Author is Kawashita, Seiji; Aoyagi, Koichi; Yamanaka, Hiroshi; Hantani, Rie; Naruoka, Shiori; Tanimoto, Atsuo; Hori, Yuji; Toyonaga, Yukiyo; Fukushima, Kyoko; Miyazaki, Susumu; Hantani, Yoshiji.

The development of small mol. inhibitors of PD-1/PD-L1 is eagerly anticipated for treatment of cancer. We focused on the symmetry of the ternary complex structure of reported small mol. ligands and hPD-L1 homodimers, and designed partially- or fully-sym. compounds for more potent inhibitors. The design of the new compounds was guided by our hypothesis that the designed sym. compound would induce a flip of sidechain of ATyr56 protein residue to form a new cavity. The designed compound 4 exhibited substantially increased binding affinity to hPD-L1, as well as PD-1/PD-L1 inhibitory activity in physiol. conditions. Compound 4 also showed a dose-dependent increase in IFN-γ secretion levels in a mixed lymphocyte reaction assay. These results not only indicate the feasibility of targeting the PD-1/PD-L1 pathway with small mols., but illustrate the applicability of the symmetry-based ligand design as an attractive methodol. for targeting protein-protein interaction stabilizers.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

HPLC of Formula: 3222-47-7. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Design and optimisation of a small-molecule TLR2/4 antagonist for anti-tumour therapy. Author is Xu, Qun; Li, Tian; Chen, Hekai; Kong, Jun; Zhang, Liwei; Yin, Hang.

A small-mol. co-inhibitor that targets the TLR2/4 signalling pathway were developed. After high-throughput screening of a compound library containing 14400 small mols., followed by hit-to-lead structural optimization, the compound I was finally obtained, which has effective inhibitory properties against the TLR2/4 signalling pathways. This compound was found to significantly inhibit multiple pro-inflammatory cytokines released by RAW264.7 cells. This was followed by compound I demonstrating promising efficacy in subsequent anti-tumor experiments The current results provided a novel understanding of the role of TLR2/4 in cancer and a novel strategy for anti-tumor therapy.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, is researched, Molecular C10H7F2N3O, CAS is 86404-63-9, about Development and validation of a liquid chromatographic method for the stability study of a pharmaceutical formulation containing voriconazole using cellulose tris(4-chloro-3-methylphenylcarbamate) as chiral selector and polar organic mobile phases, the main research direction is liquid chromatog voriconazole cellulose chloromethylphenylcarbamate chiral selector; Chiral stability; Chiral stationary phase; Liquid chromatography; Validation; Voriconazole.Safety of 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone.

The ophthalmic solution of voriconazole, i.e. (2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol, made from an injection formulation which also contains sulfobutylether-β-cyclodextrin sodium salt as an excipient (Vfend), is used for the treatment of fungal keratitis. A liquid chromatog. (LC) method using polar organic mobile phase and cellulose tris(4-chloro-3-methylphenylcarbamate) coated on silica as chiral stationary phase was successfully developed to evaluate the chiral stability of the ophthalmic solution The percentage of methanol (MeOH) in the mobile phase containing acetonitrile (ACN) as the main solvent significantly influenced the retention and resolution of voriconazole and its enantiomer ((2S,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol). The optimized mobile phase consisted of ACN/MeOH/diethylamine/trifluoroacetic acid (80/20/0.1/0.1; volume/volume/volume/volume). The method was found to be selective not only regarding the enantiomer of voriconazole but also regarding the specified impurities described in the monograph from the European Pharmacopoeia. The LC method was then fully validated applying the strategy based on total measurement error and accuracy profiles. Under the selected conditions, the determination of 0.1% of voriconazole enantiomer could be performed. Finally, a stability study of the ophthalmic solution was conducted using the validated LC method.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Synthetic Route of C7H7NO2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Structure-activity relationship studies of tolfenpyrad reveal subnanomolar inhibitors of Haemonchus contortus development.

Recently, we have discovered that the registered pesticide, tolfenpyrad, unexpectedly and potently inhibits the development of the L4 larval stage of the parasitic nematode Haemonchus contortus with an IC50 value of 0.03 μM while displaying good selectivity, with an IC50 of 37.9 μM for cytotoxicity. As a promising mol. template for medicinal chem. optimization, we undertook anthelmintic structure-activity relationships for this chem. Modifications of the left-hand side (LHS), right-hand side (RHS), and middle section of the scaffold were explored to produce a set of 57 analogs. Analogs I, II, and III were shown to be the most potent compounds of the series, with IC50 values at a subnanomolar level of potency against the chemotherapeutically relevant fourth larval (L4) stage of H. contortus. Selected compounds from the series also showed promising activity against a panel of other different parasitic nematodes, such as hookworms and whipworms.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Recommanded Product: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, is researched, Molecular C10H7F2N3O, CAS is 86404-63-9, about Discovery of highly potent triazole antifungal derivatives by heterocycle-benzene bioisosteric replacement. Author is Jiang, Zhigan; Wang, Yan; Wang, Wenya; Wang, Shengzheng; Xu, Bo; Fan, Guorong; Dong, Guoqiang; Liu, Yang; Yao, Jianzhong; Miao, Zhenyuan; Zhang, Wannian; Sheng, Chunquan.

On the basis of the authors’ previously discovered triazole antifungal lead compounds, heterocycle-benzene bioisosteric replacement was used to improve their pharmacokinetic profile. The designed new triazole derivatives have good antifungal activity toward a wide range of pathogenic fungi. Their binding mode with the target enzyme was clarified by mol. docking. The MIC value of the highly potent compound 1-(4-(benzo[d]thiazol-2-yl-methyl)piperazin-1-yl)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazol-1-yl)propan-2-ol against Candida albicans, Candida tropicalis, and Cryptococcus neoformans is 0.016 μg/mL, 0.004 μg/mL, and 0.016 μg/mL, resp. Moreover, preliminary pharmacokinetic studies revealed that it showed improved oral absorption as compared to the lead compound iodiconazole and deserved for further evaluations.

There is still a lot of research devoted to this compound(SMILES：FC1=CC=C(C(CN2N=CN=C2)=O)C(F)=C1)Recommanded Product: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, and with the development of science, more effects of this compound(86404-63-9) can be discovered.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics