• The EDQM has now finalised the review and update of the vast majority of CEP dossiers for sartans containing a tetrazole ring structure. (edqm.eu)
  • sartans) containing a tetrazole group . (eipg.eu)
  • Burlov, Synthesis, structure, photo- and electroluminescent properties of zinc (II) complexes with aminomethylene derivatives of 1-phenyl-3-methyl-4-formylpyrazol-5-one and 3- and 6-aminoquinolines, Synth. (dntb.gov.ua)
  • To continue towards the goal of assigning the correct structures to all the cryptoconcatones, the group of Professor Kevin J. Quinn from the College of the Holy Cross (Worcester, USA) recently reported the efficient synthesis of the originally proposed structure of cryptoconcatone H. (thieme.de)
  • Professor Quinn said: "Our team of undergraduate researchers have completed a total synthesis of the originally proposed structure of the tetrahydropyranol-dihydropyranone natural product cryptoconcatone H in just three steps and 32% overall yield. (thieme.de)
  • List P. I. M, Oldenbroek S. J. L, Lugthart E N. Coordination network solids based on Cu(II) coordination compounds with 1,4-bis-(1,2,4-triazol- 1-yl)-butane as a flexible alkyl spacer ligand: synthesis, characterization and X-ray structures [J]. (ccspublishing.org.cn)
  • The invention further includes novel intermediate compounds useful for the synthesis of asymmetric benzoxanthene compounds having the general structure where substituents R3-R7 correspond to like-referenced substituents in the structure of described above, and Y2 is hydroxyl or amine. (justia.com)
  • Design and Synthesis of High-Performance Planar Explosives and Solid Propellants with Tetrazole Moieties S. Lal, R.J. Staples, J.M. Shreeve Org. (msu.edu)
  • McGinley J. (2016) 'Synthesis and characterisation of new copper(II) coordination polymers constructed from pyrazine-tetrazole ligands with the formation of a water cluster' . (maynoothuniversity.ie)
  • The synthesis of intervenolin by the author employs thiocyanate-isothiocyanate rearrangement and Suzuki-Miyaura cross coupling as key reactions, which was utilized in structure-activity relationship studies. (heterocycles.jp)
  • Arom G, Barrios L. A, Roubeau O. Triazoles and tetrazoles: prime ligands to generate remarkable coordination materials [J]. (ccspublishing.org.cn)
  • The effect on the central nervous system of 38 derivatives of aminomethyl tetrazole has been studied. (aspetjournals.org)
  • Djandjighian, L Discovery and in vitro/in vivo studies of tetrazole derivatives as Kv1.5 blockers. (bindingdb.org)
  • The structure of the compound with R = Bu and n = 6 has been determined. (bath.ac.uk)
  • The structure of this compound has been determined in the crystalline phase by X-ray diffraction of a crystal grown in situ . (ed.ac.uk)
  • A previously developed tetrazole compound is able to photoclick onto terminal alkenes and produce a fluorescent adduct. (plu.edu)
  • This tetrazole compound was used to develop a selective screen by exposing E. coli hosts to the compound and exposing the cells to UV light to induce the photoclick reaction of the tetrazole compound binding to the terminal alkene on botryococcene. (plu.edu)
  • Only in 1949, however, was the structure of this compound fully revealed, thanks to the pioneering X-ray studies of Dorothy Crowfoot Hodgkin [ 3 ] . (encyclopedia.pub)
  • Das O, Adarsh N. N, Paul A, Paine T. K. Copper(II) and nickel(II) complexes of β-aminoketoxime ligand: syntheses, crystal structures, magnetism, and nickel(II) templated coupling of oxime with nitrile [J]. (ccspublishing.org.cn)
  • Zhou X. L, Li L. K, Song Y. L, Hou H. W, Fan Y. T, Meng J. J. Syntheses, crystal structures and properties of [J]. (ccspublishing.org.cn)
  • The molecule has an extended biphenyl group with a tetrazole which is being used in place of the carboxylic acid as a bioisostere. (wikipedia.org)
  • In liquid solution, the nitrile imine photoproduct is a very floppy molecule that can adopt a variety of different conformations ranging from propargylic all the way to allenic structures. (uni-bonn.de)
  • Align your compounds without the need of a target structure based on their molecular similarity. (biosolveit.de)
  • The app includes all tools vital for handling your compounds and target structures which have been fine-tuned to the needs of any chemist. (biosolveit.de)
  • The initially proposed structure of cryptoconcatone H, one of the members of this family of compounds, was called into question soon after its initial publication and subsequently revised by reassigning the configuration of two of the four stereogenic centers. (thieme.de)
  • The founder of this second class of compounds, cephalosporin C, was identified from these filtrates in 1953 and its structure was fully characterized in 1961 [ 5 ] [ 6 ] . (encyclopedia.pub)
  • Journal of Molecular Structure. (syr.edu)
  • The molecular structure of β-lactam antibiotics can be modified either to introduce another β-lactam ring (the pharmacophore conferring bactericidal activities to these molecules), or to add other pharmacophores that modify their pharmacological properties and spectrum of action. (encyclopedia.pub)
  • Femtosecond UV-pump/IR-probe spectroscopy elucidates the molecular mechanism of the photo-induced 1,3-dipolar cycloelimination of N2 from a tetrazole. (uni-bonn.de)
  • In the crystal structure, strong inter-molecular O-Hcdots, three dots, centeredO and O-Hcdots, three dots, centeredN hydrogen bonds link the mol-ecules into a network. (who.int)
  • Uraev, Crystal structure and magnetic properties of a tetranuclear carbonate-bridged Cu ii complex with a Schiff base compartmental ligand with the N2OS2 donor set, Mendeleev Commun. (dntb.gov.ua)
  • The crystal structure is a one-dimensional (1-D) chain in which the Cu(II) is five-coordinated with square pyramidal geometry. (ccspublishing.org.cn)
  • Crystal structure of a (carboxymethyl)tyriethylazanium bromide-2-(triethylazaniumyl) acetate (1/1) hydrogen-bonded dimer. (msu.edu)
  • organic chemistry) Having a structure, similar to that of neopentane, in which each hydrogen atom of a methyl group has been replaced by an alkyl group. (etymologeek.com)
  • organic chemistry) A univalent cation derived from a tetrazole. (etymologeek.com)
  • 9-phenyl-4,5,6,7,8,9-geksagidrotetrazolo[5,1-b]quinazoline in solution undergoes reaggregation ent via an azide to form a positional isomer corner structure that is installed involving spectral methods (1H-NMR, IR -spectra), TLC, chromato-mass spectrometry. (sgu.ru)
  • 3. Alkorta I., Blanco F., Elguer J. The azido-tetrazole tautomerism in azoles and its relationships with aromaticity and NMR properties // Tetrahedron. (sgu.ru)
  • Associations between baseline structure and function and patient outcomes were examined using univariate and multivariable Cox proportional hazard analyses. (mcmaster.ca)
  • Dr Simpson's research is focussed on the theory and modelling of nuclear collisions, and in understanding how the internal structure of nuclei influences nuclear reaction outcomes. (aips.net.au)
  • The structure-activity relationship (SAR) data achieved was different from SAR data obtained from the more widely used truncated NS3 (protease domain) assay, indicating that the helicase domain of NS3 participates in the binding of the inhibitors.The most potent inhibitors identified in this study contained a C-terminal phenyl acyl sulfonamide moiety, i.e. a carboxylic acid bioisostere. (projectsparadise.com)
  • 2019) 'Sequence-to-structure dependence of isolated IgG Fc complex biantennary N-glycans: a molecular dynamics study' . (maynoothuniversity.ie)
  • In this paper, the finite element model (FEM) of blade-hard coating (BHC) composite structure is established based on finite element methods in which the hard coating (HC) material and the substrate are considered as the isotropic material. (bvsalud.org)
  • A correlation of structure with phaemacologic activity has been attempted. (aspetjournals.org)
  • The aim of this work was to modify these lead structures by removing the methylsulfanyl linker and to prepare a series of 3,5-dinitrophenyl tetrazole and oxadiazole derivatives. (cuni.cz)
  • In another part, we dealt with the preparation of tetrazole derivatives containing saturated nitrogen heterocycle. (cuni.cz)
  • In order to explore novel pyrazole oxime derivatives with potent biological activities, a series of novel pyrazole oximes carrying tetrazole unit were designed and synthesized by the method of active substructure combination. (sioc-journal.cn)
  • The crystal structure of one such tetra-tetrazole macrocycle has also been structurally characterised and revealed a bowl-shaped conformation. (tudublin.ie)
  • From the structure-activity relationship studies several new ligands emerged, exemplified by triazole 3p-d1, a GluK3-preferring (GluK1/GluK3 Ki ratio of 15), and the structurally closely related tetrazole 3q-s3-4 that displayed 4.4- to 100-fold preference as an antagonist for the GluN1/GluN2A receptor (Ki = 0.61 μM) over GluN1/GluN2B-D (Ki = 2.7-62 μM). (ku.dk)
  • Combination of Energetic Tetrazole and Triazole: Promising Materials with Exceptional Stability and Low Mechanical Sensitivity as Propellants and Gas Generators. (nih.gov)
  • Journal of Molecular Structure, 2017. (nih.gov)
  • We report study of purified, solubilized human MGL (hMGL) to explore the details of hMGL catalysis by using two known covalent hMGL inhibitors, the carbamoyl tetrazole AM6701 and N-arachidonoylmaleimide (NAM), that act through distinct mechanisms. (inra.fr)
  • Intramolecular hydrogen bonding is an important determinant of enzyme structure, catalysis, and inhibitor action. (inra.fr)
  • The main challenges left to be solved is the evaluation of restraint goodness, assigning secondary structures, restraint interconditioning, and water and ligand placement. (helsinki.fi)
  • Markl, J. Schneider, D. (2017), A Janus-Faced IM30 Ring Involved in Thylakoid Membrane Fusion Is Assembled from IM30 Tetramers, Structure 25(9), 1380+. (mpgc-mainz.de)
  • The use of full-length structure distorting inter-subunit crystal lattice interactions use of full-length LDM crystal structures as templates could thus be an be a crucial consideration for the in LDM crystal structures as templates could thereforeimportant consideration for the in silico discovery of azole drugs. (adenosine-kinase.com)
  • In this study, we described the structure-activity relationship of the benzoxazole and tetrazole rings of JNJ4796. (bvsalud.org)
  • In the initial stage of research, in silico structure-based pharmacological prediction was conducted. (nih.gov)
  • Starting from the input atomic species, connectivity, and formal bond orders (for aromatic systems, for example, a Kekule structure having alternating single and double bonds must be supplied), the MMFF structural perception code automatically 'sets up' the calculation by perceiving and classifying rings, detecting aromaticitity, and creating appropriate lists of bond, angle and torsional interactions. (nih.gov)
  • The tetrazole-functionalised calixdiquinone 5,17-di-tert-butyl-26,28-bis-(1H-tetrazole-5-ylmethoxy)-calix[4]-25,27-diquinone Q was synthesised by chemical oxidation of the bis-tetrazole calix[4]arene precursor using PbO2/HClO4. (edu.au)
  • Various food supplements for silicon uptake were compared in terms of their structures and chemical compositions. (bsz-bw.de)
  • The study may help to understand the silicon uptake behavior of different food supplements depending on their chemical structure. (bsz-bw.de)
  • An analysis is made among the structures and the cooperativity of the spin-crossover behaviour of polynuclear Fe(II) spin-transition materials. (aston.ac.uk)
  • Structural data from two independent crystal forms (P212121 and P21) of the folate (FA) binary complex and from the ternary complex with the oxidized coenzyme, NADP+, and recombinant Pneumocystis carinii dihydrofolate reductase (pcDHFR) refined to an average of 2.15 A resolution, show the first evidence of ligand-induced conformational changes in the structure of pcDHFR. (rcsb.org)
  • Ligand Binding by CYP51 Enzymes A feature invoked for rational antifungal design and style would be the similarity across phyla of CYP51 structures as well as the absence of big structural rearrangements in complexes with various inhibitory ligands or structural analogs [7,134]. (adenosine-kinase.com)
  • The 1 H -tetrazole function is a key structural component of cardiovascular drugs such as sartans (losartan, valsartan, etc). (thieme.de)
  • Utant apo structure (PDB IDs 5ESI) or in complicated with VCZ (PDB ID 5HS1), but not with other azole drugs, the M509 side chain closes off the SEC instead of just lining it. (adenosine-kinase.com)
  • The layered van der Waals halides are particularly sensitive to external pressure, suggesting a feasible route to pinpoint their structure with extraordinary behavior. (go.jp)
  • Miguel Yus and Cherif Behloul report in SYNLETT the cleavage of the trityl group from protected tetrazoles. (thieme.de)
  • The groups of Professors Miguel Yus and Cherif Behloul have recently reported a new efficient method for cleaving the trityl group from 1 H -tetrazoles, which showed excellent selectivity and orthogonality. (thieme.de)
  • In the previous work of our group it was found that 2,5- and 1,5-disubstituted tetrazoles and 2,5-disubstituted oxadiazoles bearing 3,5-dinitrobenzylsulfanyl fragment exhibited outstanding antimycobacterial activities. (cuni.cz)
  • The syntheses of tetra-tetrazole macrocycles containing at least one 2,6-bis(tetrazole)pyridine unit, linked by a variety of n -alkyl ( n = 3, 5, 7 or 9 carbon atoms) chain lengths, are described. (tudublin.ie)
  • a '4' is an artificial entry which is assigned when no such unique heteroatom exists, as for example occurs in imidazolium cations and in tetrazole anions. (nih.gov)
  • Therefore, the remarkable in vitro and in vivo anti-ZIKV activity of compound XSJ2-46 highlights the promising research direction of utilizing the 5'-amino NI structure skeleton for developing antiviral NIs. (bvsalud.org)
  • The effects of botanical species and fractionation methods on lignin structure and the activity of W2 C/AC were studied in detail. (americanelements.com)
  • The performance of the method is evaluated for its ability to reconstruct GPCR structures and an extracellular loop 2. (helsinki.fi)
  • Gas permeation chromatography (GPC), FTIR, elemental analysis, and 2?D HSQC?NMR showed that all the extracted samples shared the basic skeleton of lignin, whereas the fractionation method significantly affected the structure. (americanelements.com)
  • These data are also compared with the crystal structure of the ternary complex of methotrexate (MTX) with NADPH and pcDHFR in the monoclinic lattice with data to 2.5 A resolution. (rcsb.org)
  • Comparison of the data for the FA binary complex of pcDHFR with those for the ternary structures reveals significant differences, with a >7 A movement of the loop region near residue 23 that results in a new "flap-open" position for the binary complex, and a "closed" position in the ternary complexes, similar to that reported for Escherichia coli (ec) DHFR complexes. (rcsb.org)
  • His Ph.D. project involved studying the structure and function of compartmental organization of the plant Golgi apparatus using high-pressure freezing and freeze-substitution techniques in conjunction with transmission electron microscopy. (nih.gov)
  • Fungi 2021, 7, 67 15 of of A function invoked for rational antifungal design and style could be the similarity across phyla 35 CYP51 structures and also the absence of key structural rearrangements in complexes with a variety of inhibitory ligands or structural analogs [7,134]. (adenosine-kinase.com)
  • These findings create new opportunities for exploring, tuning, and understanding the van der Waals halides by harnessing their unusual feature of a layered structure, which is promising for future devices based on materials-by-design that are atomically thin. (go.jp)
  • Conventional materials for cathodes are oxides such as LCO, NMC or NCA, spinelles phases or olivine structures (LFP). (cnrsinnovation.com)
  • The siliceous earth powder revealed the lowest content of such groups and the densest structure. (bsz-bw.de)
  • Crystal structure determination at 2.3 A of recombinant human dihydrofolate reductase ternary complex with NADPH and methotrexate-gamma-tetrazole. (rcsb.org)
  • Nonetheless, structures obtainedtween soluble and membrane-bound cytochrome P450s could be the improved length and much more complex disposition of the F-G helix area inside the membrane bound cytochrome P450s. (adenosine-kinase.com)
  • Firstly, we prepared a series of 2- and 1-benzyl-5-(3,5-dinitrophenyl)-1H-tetrazoles by the reaction of 5-(3,5-dinitrophenyl)-1H-tetrazole with diversely substituted benzyl halide. (cuni.cz)
  • Dr. Zhang later moved to the University of California San Francisco where his research focused on the 3-D structure of the polytene chromosome in Drosophila larvae using electron tomography. (nih.gov)
  • We drive the models in optimization cycle towards better structures as assessed by the used metrics on DOPE score, retrospective distance restraint realization and others. (helsinki.fi)