Triazoles

An article Comparative study between the anti-P. falciparum activity of triazolopyrimidine, pyrazolopyrimidine and quinoline derivatives and the identification of new PfDHODH inhibitors WOS:000600418500073 published article about PLASMODIUM-FALCIPARUM; ANTIMALARIAL in [Silveira, Flavia F.; Hoelz, Lucas V. B.; Boechat, Nubia; Pinheiro, Luiz C. S.] Fiocruz MS, Fundacao Oswaldo Cruz, Inst Tecnol Farmacos Farmanguinhos, Lab Sintese Farmacos, Rua Sizenando Nabuco 100, BR-21041250 Rio De Janeiro, RJ, Brazil; [Silveira, Flavia F.; Albuquerque, Magaly G.; Boechat, Nubia] Univ Fed Rio de Janeiro, PGQu Inst Quim, Programa Posgrad Quim, Rio De Janeiro, RJ, Brazil; [de Souza, Juliana O.; Aguiar, Anna C. C.; Guido, Rafael V. C.] Univ Sao Paulo, Inst Fis Sao Carlos, Av Joao Dagnone 1-100, Sao Carlos, SP, Brazil; [Campos, Vinicius R.] Univ Fed Fluminense, Inst Quim, Dept Quim Organ, Programa Posgrad Quim, Niteroi, RJ, Brazil; [Jabor, Valquiria A. P.; Nonato, M. Cristina] Univ Sao Paulo, Fac Ciencias Farmaceut Ribeirao Preto, Dept Ciencias BioMol, Lab Cristalog Prot, Ave Cafe S-N Monte Alegre, BR-14040903 Ribeirao Preto, SP, Brazil in 2021, Cited 39. Safety of 1H-1,2,4-Triazol-5-amine. The Name is 1H-1,2,4-Triazol-5-amine. Through research, I have a further understanding and discovery of 61-82-5

In this work, we designed and synthesized 35 new triazolopyrimidine, pyrazolopyrimidine and quinoline derivatives as P. falciparum inhibitors (3D7 strain). Thirty compounds exhibited anti-P. falciparum activity, with IC50 values ranging from 0.030 to 9.1 mu M. The [1,2,4] triazolo[1,5-a]pyrimidine derivatives were more potent than the pyrazolo[1,5-a]pyrimidine and quinoline analogues. Compounds 20, 21, 23 and 24 were the most potent inhibitors, with IC50 values in the range of 0.030-0.086 mu M and were equipotent to chloroquine. In addition, the compounds were selective, showing no cytotoxic activity against the human hepatoma cell line HepG2. All [1,2,4]triazolo[1,5-a]pyrimidine derivatives inhibited PfDHODH activity in the low micromolar to low nanomolar range (IC50 values of 0.08-1.3 mu M) and did not show significant inhibition against the HsDHODH homologue (0-30% at 50 mu M). Molecular docking studies indicated the binding mode of [1,2,4]triazolo[1,5-a]pyrimidine derivatives to PfDHODH, and the highest interaction affinities for the PfDHODH enzyme were in agreement with the in vitro experimental evaluation. Thus, the most active compounds against P. falciparum parasites 20 (R = CF3, R-1 = F; IC50 = 0.086 mu M), 21 (R = CF3; R-1 = CH3; IC50 = 0.032 mu M), 23, (R = CF3, R-1 = CF3; IC50 = 0.030 mu M) and 24 (R = CF3, 2-naphthyl; IC50 = 0.050 mu M) and the most active inhibitor against PfDHODH 19 (R = CF3, R-1 = Cl; IC50 = 0.08 mu M – PfDHODH) stood out as new lead compounds for antimalarial drug discovery. Their potent in vitro activity against P. falciparum and the selective inhibition of the PfDHODH enzyme strongly suggest that this is the mechanism of action underlying this series of new [1,2,4]triazolo[1,5-a]pyrimidine derivatives. (c) 2020 Elsevier Masson SAS. All rights reserved.

About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Silveira, FF; de Souza, JO; Hoelz, LVB; Campos, VR; Jabor, VAP; Aguiar, ACC; Nonato, MC; Albuquerque, MG; Guido, RVC; Boechat, N; Pinheiro, LCS or concate me.. Recommanded Product: 1H-1,2,4-Triazol-5-amine

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

I found the field of Chemistry very interesting. Saw the article The Aminotriazole Antagonist Cmpd-1 Stabilises a Distinct Inactive State of the Adenosine 2A Receptor published in 2019.0. COA of Formula: C2H4N4, Reprint Addresses Crump, MP (corresponding author), Univ Bristol, Sch Chem, Bristol BS8 1TS, Avon, England.; Joedicke, L (corresponding author), UCB Celltech, 216 Bath Rd, Slough SL1 3WE, Berks, England.. The CAS is 61-82-5. Through research, I have a further understanding and discovery of 1H-1,2,4-Triazol-5-amine

The widely expressed G-protein coupled receptors (GPCRs) are versatile signal transducer proteins that are attractive drug targets but structurally challenging to study. GPCRs undergo a number of conformational rearrangements when transitioning from the inactive to the active state but have so far been believed to adopt a fairly conserved inactive conformation. Using (FNMR)-F-19 spectroscopy and advanced molecular dynamics simulations we describe a novel inactive state of the adenosine 2A receptor which is stabilised by the aminotriazole antagonist Cmpd-1. We demonstrate that the ligand stabilises a unique conformation of helix V and present data on the putative binding mode of the compound involving contacts to the transmembrane bundle as well as the extracellular loop 2.

COA of Formula: C2H4N4. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Landin, EJB; Lovera, S; de Fabritiis, G; Kelm, S; Mercier, J; McMillan, D; Sessions, RB; Taylor, RJ; Sands, ZA; Joedicke, L; Crump, MP or concate me.

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Product Details of 61-82-5. Suarez-Diez, M; Porras, S; Laguna-Teno, F; Schaap, PJ; Tamayo-Ramos, JA in [Suarez-Diez, Maria; Schaap, Peter J.] Wageningen Univ & Res, Lab Syst & Synthet Biol, Stippeneg 4, NL-6708 WE Wageningen, Netherlands; [Porras, Santiago] Univ Burgos, Dept Econ Aplicada, Plaza Infanta Dona Elena S-N, Burgos 09001, Spain; [Laguna-Teno, Felix; Tamayo-Ramos, Juan A.] Univ Burgos, Int Res Ctr Crit Raw Mat ICCRAM, Plaza Misael Banuelos S-N, Burgos 09001, Spain published Toxicological response of the model fungus Saccharomyces cerevisiae to different concentrations of commercial graphene nanoplatelets in 2020.0, Cited 92.0. The Name is 1H-1,2,4-Triazol-5-amine. Through research, I have a further understanding and discovery of 61-82-5.

Graphene nanomaterials have attracted a great interest during the last years for different applications, but their possible impact on different biological systems remains unclear. Here, an assessment to understand the toxicity of commercial polycarboxylate functionalized graphene nanoplatelets (GN) on the unicellular fungal model Saccharomyces cerevisiae was performed. While cell proliferation was not negatively affected even in the presence of 800 mg L-1 of the nanomaterial for 24 hours, oxidative stress was induced at a lower concentration (160 mg L-1), after short exposure periods (2 and 4 hours). No DNA damage was observed under a comet assay analysis under the studied conditions. In addition, to pinpoint the molecular mechanisms behind the early oxidative damage induced by GN and to identify possible toxicity pathways, the transcriptome of S. cerevisiae exposed to 160 and 800 mg L-1 of GN was studied. Both GN concentrations induced expression changes in a common group of genes (337), many of them related to the fungal response to reduce the nanoparticles toxicity and to maintain cell homeostasis. Also, a high number of genes were only differentially expressed in the GN800 condition (3254), indicating that high GN concentrations can induce severe changes in the physiological state of the yeast.

Product Details of 61-82-5. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Suarez-Diez, M; Porras, S; Laguna-Teno, F; Schaap, PJ; Tamayo-Ramos, JA or concate me.

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

SDS of cas: 61-82-5. Authors Ben Ali, A; El Bakri, Y; Lai, CH; Sebhaoui, J; El Ghayati, L; Essassi, E; Mague, JT in INT UNION CRYSTALLOGRAPHY published article about in [Ben Ali, Abdelkader] Mohammed V Univ Rabat, Fac Sci, Ctr Sci Mat, Lab Chim Appl Mat, Ave Ibn,BP 1014, Rabat, Morocco; [El Bakri, Youness; Sebhaoui, Jihad; El Ghayati, Lhoussaine; Essassi, El Mokhtar] Univ Mohammed 5, Fac Sci, Ctr Rech Sci Med, URAC 21,Pole Competence Pharmacochim, Av Ibn Battouta,BP 1014, Rabat, Morocco; [Lai, Chin-Hung] Chung Shan Med Univ, Dept Med Appl Chem, Taichung 40241, Taiwan; [Lai, Chin-Hung] Chung Shan Med Univ Hosp, Dept Med Educ, Taichung 40241, Taiwan; [Mague, Joel T.] Tulane Univ, Dept Chem, New Orleans, LA 70118 USA in 2019.0, Cited 38.0. The Name is 1H-1,2,4-Triazol-5-amine. Through research, I have a further understanding and discovery of 61-82-5

In the title molecule, C13H16N4O3, the mean planes of the phenyl and triazole rings are nearly perpendicular to one another as a result of the intramolecular C-H center dot center dot center dot O and C-H center dot center dot center dot pi(ring) interactions. In the crystal, layers parallel to (101) are generated by O-H center dot center dot center dot N, N-H center dot center dot center dot O and N-H center dot center dot center dot N hydrogen bonds. The layers are connected by inversion-related pairs of C-H center dot center dot center dot O hydrogen bonds. The experimental molecular structure is close to the gas-phase geometryoptimized structure calculated by DFT methods. Hirshfeld surface analysis indicates that the most important interaction involving hydrogen in the title compound is the H center dot center dot center dot H contact. The contribution of the H center dot center dot center dot O, H center dot center dot center dot N, and H center dot center dot center dot H contacts are 13.6, 16.1, and 54.6%, respectively.

SDS of cas: 61-82-5. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Ben Ali, A; El Bakri, Y; Lai, CH; Sebhaoui, J; El Ghayati, L; Essassi, E; Mague, JT or concate me.

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

An article A new and green approach for regiospecific synthesis of novel chromeno-triazolopyrimidin using tungstic acid immobilized MCM-41 as a reusable catalyst WOS:000539021400012 published article about FUNCTIONALIZED MCM-41; SILICA; NANOPARTICLES; COUMARIN; POTENT in [Akrami, Sedigheh; Karami, Bahador; Farahi, Mahnaz] Univ Yasuj, Dept Chem, Yasuj 7591874831, Iran in 2020.0, Cited 40.0. SDS of cas: 61-82-5. The Name is 1H-1,2,4-Triazol-5-amine. Through research, I have a further understanding and discovery of 61-82-5

A novel, eco-friendly and fast route has been developed for the synthesis of new and known triazolo[1,5-a]pyrimidin fused chromone derivatives via a one pot three-component reaction of 3-amino-1,2,4-triazoles, aromatic aldehydes and 4-hydroxycoumarin in aqueous medium at room temperature. These reactions are catalyzed by MCM-41-HWO4 as a safe and recyclable mesoporous solid acid. It combines successfully the synergistic effect of green chemistry with nanocatalysis. The yields are high and the products were characterized by H-1 NMR, (CNMR)-C-13 spectra and elemental analysis.

SDS of cas: 61-82-5. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Akrami, S; Karami, B; Farahi, M or concate me.

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Quality Control of 1H-1,2,4-Triazol-5-amine. Recently I am researching about HEAT INACTIVATION; CATALASE; ANTIOXIDANTS; RELEASE; OXIDANT, Saw an article supported by the Osteology Foundation, Switzerland [17-125, 17-219]; Austrian Science Fund (FWF)Austrian Science Fund (FWF) [4072-B28]. Published in MDPI in BASEL ,Authors: Kargarpour, Z; Nasirzade, J; Di Summa, F; Panahipour, L; Miron, RJ; Gruber, R. The CAS is 61-82-5. Through research, I have a further understanding and discovery of 1H-1,2,4-Triazol-5-amine

Hydrogen peroxide is a damage signal at sites of chronic inflammation. The question arises whether platelet-rich fibrin (PRF), platelet-poor plasma (PPP), and the buffy coat can neutralize hydrogen peroxide toxicity and thereby counteract local oxidative stress. In the present study, gingival fibroblasts cells were exposed to hydrogen peroxide with and without lysates obtained from PRF membranes, PPP, heated PPP (75 degrees C for 10 min), and the buffy coat. Cell viability was examined by trypan blue staining, live-dead staining, and formazan crystal formation. Cell apoptosis was assessed by cleaved caspase-3 Western blot analysis. Reverse transcription-quantitative polymerase chain reaction (RT-PCR) was utilized to determine the impact of PRF lysates on the expression of catalase in fibroblasts. It was reported that lysates from PRF, PPP, and the buffy coat-but not heated PPP-abolished the hydrogen peroxide-induced toxicity in gingival fibroblasts. Necrosis was confirmed by a loss of membrane integrity and apoptosis was ruled out by the lack of cleavage of caspase-3. Aminotriazole, an inhibitor of catalase, reduced the cytoprotective activity of PRF lysates yet blocking of glutathione peroxidase by mercaptosuccinate did not show the same effect. PRF lysates had no impact on the expression of catalase in gingival fibroblasts. These findings suggest that PRF, PPP, and the buffy coat can neutralize hydrogen peroxide through the release of heat-sensitive catalase.

Quality Control of 1H-1,2,4-Triazol-5-amine. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Kargarpour, Z; Nasirzade, J; Di Summa, F; Panahipour, L; Miron, RJ; Gruber, R or concate me.

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Safety of 1H-1,2,4-Triazol-5-amine. Authors Polunin, KE; Ul’yanov, AV; Polunina, IA; Buryak, AK in MAIK NAUKA/INTERPERIODICA/SPRINGER published article about in [Polunin, K. E.; Ul’yanov, A. V.; Polunina, I. A.; Buryak, A. K.] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia in 2021.0, Cited 21.0. The Name is 1H-1,2,4-Triazol-5-amine. Through research, I have a further understanding and discovery of 61-82-5

The construction materials that contacted with unsymmetrical dimethylhydrazine and the desorption solutions obtained when treating the contaminated surface of metals and alloys with water and reagents were studied by chromatography and mass spectrometry. Neutralization of unsymmetrical dimethylhydrazine was studied using ozone and shungite. Ozonation makes it possible to destroy the toxicant molecules chemically and physically adsorbed on the surface of metal constructions, due to which they can be reused and utilized. Shungite effectively adsorbs and catalytically decomposes not only unsymmetrical dimethylhydrazine and its transformation products, but also oligomer compounds formed during the storage of hydrazine fuel. Ozonation of spent shungite can increase the efficiency of destructive processes and completeness of its regeneration.

About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Polunin, KE; Ul’yanov, AV; Polunina, IA; Buryak, AK or concate me.. Safety of 1H-1,2,4-Triazol-5-amine

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

An article Simplified synthesis of N-doped carbon nanotube arrayed mesoporous carbon for electrochemical detection of amitrole WOS:000609493900007 published article about GOLD NANOPARTICLES; NANOPOROUS CARBON; POROUS CARBON; SULFUR; SENSOR in [Zhou, Shenghai; Xu, Hongbo; Liu, Jinyu; Wei, Yajun; Ma, Xinhuan; Han, Zhimin; Chen, Hongli] Hebei Normal Univ Nationalities, Coll Chem & Chem Engn, Chengde 067000, Peoples R China in 2021.0, Cited 45.0. The Name is 1H-1,2,4-Triazol-5-amine. Through research, I have a further understanding and discovery of 61-82-5. Quality Control of 1H-1,2,4-Triazol-5-amine

N-doped carbon nanopipe-arrayed mesoporous carbon (N-CMK-5) with double-pore system, large surface area (992 m(2)/g), and high nitrogen amount (5.2 at.%) was synthesized by a simplified template route. In this route, mesoporous silica was directly used instead of using time-consuming aluminosilicate as a template and the carbonization process occurred in a nitrogen atmosphere instead of a vacuum. Furthermore, CMK-3, N-doped CMK-3, and CMK-5 ordered mesopomus carbons (OMCs) were compared with the as-prepared N-doped CMK-5 (N-CMK-5) to investigate the effect of microstructure on the electrochemical activity of OMCs. N-CMK-5 exhibited higher electrochemical activity than the other OMCs because it has more exposed defective sites and nitrogen active species. The developed N-CMK-5-based electrochemical sensor showed good practical application for the electrochemical detection of pesticide amitrole in real water sample. This work contributes a simplified route to synthesize tubular N-CMK-5 carbon and provides valuable information on the design of high-performance carbon electrode materials.

About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Zhou, SH; Xu, HB; Liu, JY; Wei, YJ; Ma, XH; Han, ZM; Chen, HL or concate me.. Quality Control of 1H-1,2,4-Triazol-5-amine

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Recently I am researching about COMPOSITE MEMBRANES; WATER-ADSORPTION; HYBRID MEMBRANES; PDMS MEMBRANE; PERVAPORATION; RECOVERY; MIXTURES; ALCOHOL; SOLVENT; PERMEABILITY, Saw an article supported by the Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21878117]; Analysis and Testing Center; Analysis and Testing Center of Chemistry and Chemical Engineering School (HUST). Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Zhu, TY; Yu, X; Yi, M; Wang, Y. The CAS is 61-82-5. Through research, I have a further understanding and discovery of 1H-1,2,4-Triazol-5-amine. Computed Properties of C2H4N4

The interfacial design is critical in preparing high-performance mixed matrix membranes (MMMs), especially for the separation of larger sized components from mixtures. Herein, a facile and novel strategy was employed to design covalently linked zeolitic imidazolate framework-8-polydimethylsiloxane (ZIF-8@PDMS) MMMs without interfacial defects by a onestep synthesis route for ethanol recovery from ethanol aqueous solution. In this strategy, 3-glycidyloxypropyltrimethoxysilane (GOPTS) worked as the covalent linker of PDMS and amine-functionalized ZIF-8 nanoparticles (AZIF-8) simultaneously. The chemical structures and morphologies of AZIF-8 and AZIF-8@PDMS MMMs were demonstrated by various characterization techniques. The results exhibited that AZIF-8 and the MMMs were successfully prepared and AZIF-8 as the filler displayed better dispersion in the PDMS matrix and compatibility with the PDMS matrix as compared to ZIF-8 or GOPTS-modified ZIF-8 (GZIF-8). Therefore, AZIF-8@PDMS MMMs showed more excellent separation performance than ZIF-8 or GZIF-8-filled MMMs. In particular, AZIF-8@PDMS MMM with 7 wt % AZIF-8 loading exhibited the highest separation factor of 17.7 and a comparable total flux of 585.6 g/m(2) h at 40 degrees C with 5 wt % ethanol aqueous solution, which were improved by 176.6 and 34.5%, respectively, in comparison with the pristine PDMS membrane, breaking the trade-off effect between the flux and separation factor. This study might provide some new insights into the fabrication of high-performance MMMs for pervaporation recovery of various organic systems.

Computed Properties of C2H4N4. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Zhu, TY; Yu, X; Yi, M; Wang, Y or concate me.

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

I found the field of Chemistry very interesting. Saw the article DBU Catalysis: An Efficient Synthetic Strategy for 5,7-disubstituted-1,2,4-triazolo[1,5-a]pyrimidines published in 2020.0. Quality Control of 1H-1,2,4-Triazol-5-amine, Reprint Addresses Singh, RK (corresponding author), Univ Allahabad, Dept Chem, Bioorgan Res Lab, Allahabad 211002, Uttar Pradesh, India.; Singh, J (corresponding author), Univ Allahabad, Dept Chem, Environm Benign Synth Lab, Allahabad 211002, Uttar Pradesh, India.. The CAS is 61-82-5. Through research, I have a further understanding and discovery of 1H-1,2,4-Triazol-5-amine

Aims and Objectives: An efficient and facile DBU catalysed synthesis of highly significant motif 5,7-disubstituted-1,2,4-triazolo[1,5-a]pyrimidines under solvent-free condition has been reported. Materials and Methods: To a round bottom flask, 1.0 mmol of chalcone (1), 1.5 mmol of 3-amino-1,2,4-triazole (2) and 30 mol% of DBU were added at 70 degrees C and stirred in solvent-free condition. After the completion of the reaction (monitored by TLC), water (10 ml) was added. The aqueous layer was extracted with ethyl acetate (3 x 10 ml). The combined organic layers were dried over anhydrous Na2SO4. The combined organic layers were evaporated under reduced pressure and the resulting crude product was purified by column chromatography by using ethyl acetate and hexane as eluent. Results: Reaction using chalcone and 3-amino-1,2,4-triazole as model substrates were carried out under different reaction conditions and it was observed that 30 mol% of DBU under the solvent-free condition at 70 degrees C was the optimum temperature for the proposed synthesis. Conclusion: Use of DBU (an organocatalyst) as a base, operational simplicity, high yield of products and short reaction time are some of the significant advantages associated with the proposed strategy.

Quality Control of 1H-1,2,4-Triazol-5-amine. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Pandey, YK; Mishra, A; Rai, P; Singh, J; Singh, J; Singh, RK or concate me.

Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics