Relevant bibliographies by topics / 1-methylimidazole

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Academic literature on the topic '1-methylimidazole'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "1-methylimidazole"

1

Bélanger, S., and A. L. Beauchamp. "(1-Methylimidazole-N3)triphenylboron." Acta Crystallographica Section C Crystal Structure Communications 54, no. 11 (November 15, 1998): IUC9800057. http://dx.doi.org/10.1107/s0108270198099223.

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Purygin, Pyotr P., Viktoriya D. Fedotova, Vitaly Yu Alekseev, and Yury P. Zarubin. "Synthesis and study of the reactivity of 1,1'-oxalyl di(2-methylimidazole) in reactions with N-nucleophiles." Butlerov Communications 64, no. 10 (October 31, 2020): 136–45. http://dx.doi.org/10.37952/roi-jbc-01/20-64-10-136.

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This article describes the synthesis of 1,1'-oxalyl di(2-methylimidazole), which was obtained in two stages. At the first stage of the synthesis, 1-trimethylsilyl-2-methylimidazole and oxalyl chloride were obtained. At the second stage of the synthesis, the target product was obtained by reacting 1-trimethylsilyl-2-methylimidazole with oxalyl chloride. The product was a dark crystalline substance, the yield of the final product was 83%. The structure of 1,1'-oxalyl di(2-methylimidazole) was confirmed by IR and 1H NMR spectroscopy. In the IR spectra, characteristic absorption bands were found, confirming the presence of the corresponding functional groups in the structure of the compound, in the 1H NMR spectrum, proton signals with characteristic chemical shifts for the corresponding functional groups were found. The PASS online software predicted the types of biological activity of the compound under study. The most probable possibilities of application in the treatment of urological diseases, diabetes mellitus, staphylococcal, oncological diseases, antiaggregatory action. For the 1,1'-oxalyl di(2-methylimidazole) molecule, 6 conformers were found, which were three pairs of enantioconformers in the Molecular Operating Environment 2009.10 software, for which the electrostatic potential, nucleophilic and electrophilic susceptibility surfaces were calculated in the SCIGRESS Modeling 3.1.4 software. It was shown that the interaction with nucleophilic reagents is most typical for the 1,1'-oxalyl di(2-methylimidazole) molecule. Calculations of the potential energy of the conformers of 1,1'-oxalyl di(2-methylimidazole) molecules have been carried out. Using 1,1'-oxalyl di(2-methylimidazole), the syntheses of acetanilide, benzanilide and diethylformamide were carried out. These syntheses were carried out in order to test the reactivity and the possibility of amide-type bond formation upon activation of the carboxyl group in carboxylic acids. The reactions were carried out in one stage without isolation of the intermediate 2-methylimidazolide of the corresponding carboxylic acid. In this case, the proposed reaction mechanism should be two-stage. Possible structures of reactants, transition states, and reaction products in the interaction of 1,1'-oxalyl di(2-methylimidazole) with carboxylic acids and amines have been calculated by methods of computational chemistry.
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Oberhausen, K. J., W. D. Easley, J. F. Richardson, and R. M. Buchanan. "Structure of {bis[(1-methylimidazol-2-yl)methyl]amine}(1-methylimidazole)copper(II) diperchlorate." Acta Crystallographica Section C Crystal Structure Communications 47, no. 10 (October 15, 1991): 2037–40. http://dx.doi.org/10.1107/s010827019100344x.

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4

Guan, Ye, Douglas R. Powell, and George B. Richter-Addo. "Crystal structure of bis(1-methyl-1H-imidazole-κN3)(5,10,15,20-tetraphenylporphyrinato-κ4N)iron(II)–1-methyl-1H-imidazole (1/2)." Acta Crystallographica Section E Crystallographic Communications 71, no. 3 (February 11, 2015): m57—m58. http://dx.doi.org/10.1107/s2056989015002364.

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The title compound, [Fe(C44H28N4)(C4H6N2)2]·2C4H6N2, is a six-coordinate FeII–porphyrinate complex with the metal located on a center of inversion and coordinated by two axial 1-methylimidazole ligands; the complex crystallizes as a 1-methylimidazole disolvate. The 1-methylimidazole group bonded to the FeIIatom [occupancy ratio 0.789 (4):0.211 (4)] and the unbound 1-methylimidazole molecule [0.519 (4):0.481 (4)] were disordered. The average Fe—N(porphyrinate) bond length is 1.998 (3) Å and the axial Fe—N(imidazole) bond length is 1.9970 (12) Å. In the crystal, molecules are linked into a three-molecule aggregate by two weak C—H...N interactions.
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Musie, Ghezai T., Xiaobao Li, and Douglas R. Powell. "Dichlorobis(1-methylimidazole)zinc(II)." Acta Crystallographica Section E Structure Reports Online 60, no. 4 (March 27, 2004): m471—m472. http://dx.doi.org/10.1107/s1600536804006579.

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Frye, Brian C., Mark S. Mashuta, Christopher S. Mullins, Craig A. Grapperhaus, and Robert M. Buchanan. "Ethyl 1-methylimidazole-2-carboxylate." Acta Crystallographica Section E Structure Reports Online 62, no. 4 (March 25, 2006): o1548—o1549. http://dx.doi.org/10.1107/s1600536806010038.

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The title compound, C7H10N2O2, crystallizes as a nearly planar molecule. The carboxyethyl group is twisted by 4.43 (14)° relative to the plane that includes the imidazole group. The carbonyl unit of the carboxyethyl group is oriented anti to the N-methyl group of the imidazole.
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Phillips, Brian T., David A. Claremon, and Sandor L. Varga. "Preparation of 5-Substituted 2-Mercapto-1-methylimidazoles. Direct Metalation of 2-Mercapto-1-methylimidazole." Synthesis 1990, no. 09 (1990): 761–63. http://dx.doi.org/10.1055/s-1990-27007.

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Farah, Salim F., and Robert A. McClelland. "Preparation and reactions of bromo-2-nitro- and bromo-2-aminoimidazoles." Canadian Journal of Chemistry 71, no. 4 (April 1, 1993): 427–32. http://dx.doi.org/10.1139/v93-063.

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Treatment of 1-methyl-2-nitroimidazole with bromine in water resulted in rapid dibromination to give 4,5-dibromo-1-methyl-2-nitroimidazole. In dioxane, the bromination was slower, and could be controlled to give 4-bromo-1-methyl-2-nitroimidazole 5 and 5-bromo-1-methyl-2-nitroimidazole 6 in a 4:1 ratio. In an attempt to displace the bromine, the monobromo compounds were treated with cysteamine hydrochloride. In each case the nitro group was displaced instead, the 4-bromo 5 resulting in 2-[(2-aminoethyl)thio]-4-bromo-1-methylimidazole 9 as sole product, and the 5-bromo 6 giving two products identified as the monosubstituted 2-[(2-aminoethyl)thio]-5-bromo-1-methylimidazole 13 and the disubstituted 2,5-bis[2-(aminoethyl)thio]-1-methylimidazole 12. The latter product forms by further reaction of the former and was the sole material observed at long reaction times. A fraction of 12 may also originate from an initial displacement of bromine giving 5-[(2-aminoethyl)thio]-1-methyl-2-nitroimidazole 14, although this cannot be observed due to a rapid further displacement of its nitro group. The bromonitroimidazoles 5 and 6 were reduced to 4-bromo-2-amino-1-methylimidazole 25 and 5-bromo-2-amino-1-methylimidazole 26 with Zn/HCl. On reflux in water, in the presence or absence of cysteamine hydrochloride, these undergo a protodebromination resulting in the same product, 2-amino-1-methylimidazole 17. In D2O the 4-bromo isomer was demonstrated to react specifically to give 2-amino-4-deuterio-1-methylimidazole 27. Attempted preparation of the bromoaminoimidazoles 25 and 26 by bromination of 2-amino-1-methylimidazole in water resulted in the clean formation of cis and trans 2-amino-4,5-dihydro-4,5-di-hydroxyimidazolium ions 18.
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Shapiro, Gideon, and Martin Marzi. "Synthesis of 2,5-dilithio-1-methylimidazole." Tetrahedron Letters 34, no. 21 (May 1993): 3401–4. http://dx.doi.org/10.1016/s0040-4039(00)79166-0.

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Ballard, C. Eric. "Green Oxidative Homocoupling of 1-Methylimidazole." Journal of Chemical Education 90, no. 10 (August 27, 2013): 1368–72. http://dx.doi.org/10.1021/ed200890f.

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Dissertations / Theses on the topic "1-methylimidazole"

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Oliveira, ?ngelo Anderson Silva de. "S?ntese e caracteriza??o do l?quido i?nico tetrafluoroborato de 1-metil-3-(2,6-(S)-dimetiloct-2-eno)-imidazol como eletr?lito para produ??o de hidrog?nio via eletr?lise da ?gua." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12992.

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Made available in DSpace on 2014-12-17T14:08:55Z (GMT). No. of bitstreams: 1 AngeloASO_DISSERT.pdf: 1949187 bytes, checksum: e1a09a3868062ecaf1e44bef8c6c67fb (MD5) Previous issue date: 2013-11-18
Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior
Ionic liquids (ILs) are organic compounds liquid at room temperature, good electrical conductors, with the potential to form as a means for electrolyte on electrolysis of water, in which the electrodes would not be subjected to such extreme conditions demanding chemistry [1]. This paper describes the synthesis, characterization and study of the feasibility of ionic liquid ionic liquid 1-methyl-3(2,6-(S)-dimethyloct-2-ene)-imidazole tetrafluoroborate (MDI-BF4) as electrolyte to produce hydrogen through electrolysis of water. The MDI-BF4 synthesized was characterized by thermal methods of analysis (Thermogravimetric Analysis - TG and Differential Scanning Calorimetry - DSC), mid-infrared spectroscopy with Fourier transform by method of attenuated total reflectance (FTIR-ATR), nuclear magnetic resonance spectroscopy of hydrogen (NMR 1H) and cyclic voltammetry (CV). Where thermal methods were used to calculate the yield of the synthesis of MDI-BF4 which was 88.84%, characterized infrared spectroscopy functional groups of the compound and the binding B-F 1053 cm-1; the NMR 1H analyzed and compared with literature data defines the structure of MDI-BF4 and the current density achieved by MDI-BF4 in the voltammogram shows that the LI can conduct electrical current indicating that the MDI-BF4 is a good electrolyte, and that their behavior does not change with the increasing concentration of water
Os l?quidos i?nicos (LIs) s?o compostos org?nicos l?quidos ? temperatura ambiente, bons condutores el?tricos, com potencial para constitu?rem como meio eletr?lito para a eletr?lise da ?gua, no qual os eletrodos n?o seriam submetidos a condi??es t?o extremas de exig?ncia qu?mica [1]. O presente trabalho descreve a s?ntese, a caracteriza??o e o estudo da viabilidade do l?quido i?nico tetrafluoroborato de 1-metil-3(2,6-(S)-dimetiloct-2-eno)-imidazol (MDI-BF4) como eletr?lito para a produ??o de hidrog?nio atrav?s da eletr?lise da ?gua. O MDI-BF4 sintetizado foi caracterizado por: m?todos t?rmicos de an?lise (An?lise Termogravim?trica - TG e Calorimetria Explorat?ria Diferencial - DSC); espectroscopia de infravermelho m?dio com transformada de Fourier pelo m?todo da reflect?ncia total atenuada (FTIR-ATR); espectroscopia de resson?ncia magn?tica nuclear de hidrog?nio (RMN 1H) e voltametria c?clica (VC). Onde os m?todos t?rmicos foram utilizadas para calcular o rendimento da s?ntese do MDI-BF4 que foi de 88,84 %; a espectroscopia de infravermelho caracterizou os grupos funcionais do composto e a liga??o B-F em 1053 cm-1; o RMN 1H analisado e comparado com dados da literatura define a estrutura do MDI-BF4 e a densidade de corrente alcan?ada pelo MDI-BF4 no voltamograma mostra que o LI consegue conduzir corrente el?trica indicando que o MDI-BF4 ? um bom eletr?lito e que seu comportamento n?o sofre altera??o com o aumento da concentra??o de ?gua
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2

Watson, Joy Louise. "Rheology of 1-buytl-3-methylimidazolium [i.e. 1-butyl-3-methylimidazolum] chloride cellulose solutions." 2006. http://etd.utk.edu/2006/WatsonJoy.pdf.

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Peng, Ren-Wan, and 彭荏婉. "Electrochemical Studies of the Interactions between 1-methylimidazolyl porphyrins and p-phenylenediamine." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/75963287219577144296.

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碩士
國立暨南國際大學
應用化學系
103
The electrochemical and spectral properties of meso-(1-methylimidazolyl)porphyrins and meso-(1-methylimidazolyl)zincporphyrin and their interactions with p-phenylenediamine were identified in this study. By employing cyclic voltammetry, electrochemically induced hydrogen bonding between imidazole substituents of porphyrins and oxidized phenylenediamine were acknowledged. The changes of their electrochemical behavior with and without the presence of phenylenediamine were also discussed in this terms meso-(1-methylimidazolyl)zincporphyrin is a dimer form in its neutral state because of its poor solubility in solvent. So it is difficult to observe its electrochemical properties by cyclic voltammetry. Therefore, we used higher constant axial ligand titrated zinc porphyrins, by using spectrophotometric titration to observe the spectral characteristics of its monomer. Through light permeable optically transparent thin–layer electrode(OTTLE) the oxidation potentials of monomer were primarily recognized in this study.
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Procházková, Martina. "Monitoring imidazolů ve vybraných druzích nápojů." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-427645.

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The diploma thesis deals with monitoring imidazoles in selected types of beverages. The aim is to detect imidazoles in drinks by High Performance Liquid Chromatography with the use of Mass Spectrometry (HPLC-MS/MS). The coumpounds that were detected are 2-Methylimidazole, 4-Methylimidazole and 2-Acetyl-4(5)-(1,2,3,4-tetrahydroxybutyl)-imidazole. The theoretical part concerns the origin of imidazoles, its occurrence and influence on human health. There is also a brief introduction to technology of production of beverages containing imidazoles. The practical part statistically compares imidazoles concentration amongst separated types of dark beers, cola beverages, coffee beans and instant coffees. The end of the thesis focuses on determining a dependency of imidazoles on roast time in Ethiopia coffee beans.
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Book chapters on the topic "1-methylimidazole"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nitrosodicyanomethanide copper(II) complex with 1-methylimidazole." In Magnetic Properties of Paramagnetic Compounds, 427–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_224.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of oxovanadium(IV) complex with acetylacetone and 1-methylimidazole." In Magnetic Properties of Paramagnetic Compounds, 192–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54228-6_102.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of rhenium(III) complex with 2-(4-chlorophenylazo)-1-methylimidazole." In Magnetic Properties of Paramagnetic Compounds, 941–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54228-6_536.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of rhenium(III) complex with 2-(4-chlorophenylazo)-1-methylimidazole." In Magnetic Properties of Paramagnetic Compounds, 943–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54228-6_537.

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Mozaffari, Sayed Morteza, Mohammad Hosain Beheshty, and Sayed Mojtaba Mirabedini. "Investigation of Encapsulation of 1-Methylimidazole Latent Curing Agent Using Solid Epoxy Resin." In Eco-friendly and Smart Polymer Systems, 387–90. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45085-4_93.

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Gooch, Jan W. "Methylimidazole." In Encyclopedic Dictionary of Polymers, 459. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_7426.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of mixed ligand oxovanadium(IV) complex with acetylacetone and 1-vinyl-2-methylimidazole." In Magnetic Properties of Paramagnetic Compounds, 199–200. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54228-6_106.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of mixed ligand, dimeric oxovanadium(IV) complex with anthranilic acid salicylideneimine and 1-methylimidazole." In Magnetic Properties of Paramagnetic Compounds, 251–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54228-6_140.

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Gooch, Jan W. "2-Ethyl-4-Methylimidazole." In Encyclopedic Dictionary of Polymers, 283. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4620.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of dinuclear bis(μ-3-pyridin-2-yl-1, 2, 4-triazolato) copper(II) compound containing N-methylimidazole as CO-ligand." In Magnetic Properties of Paramagnetic Compounds, 250–51. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49202-4_114.

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Conference papers on the topic "1-methylimidazole"

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Walker, Nick, Juliane Heitk�mper, Chris Medcraft, and Eva Gougoula. "MICROWAVE SPECTRA, MOLECULAR GEOMETRIES AND BARRIERS TO INTERNAL ROTATION IN COMPLEXES OF Ar�C5H7N2 AND H2O�C5H7N2 (WHERE C5H7N2 IS 1-, 2-, 4- OR 5-METHYLIMIDAZOLE)." In 74th International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2019. http://dx.doi.org/10.15278/isms.2019.mh08.

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Xiang Hu, Yao Zhang, Yangyang Ou, and Zhengshan He. "1-Butyl-3-methylimidazolim tetrafluoroborate removal by electrolysis treatment." In 2010 International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2010. http://dx.doi.org/10.1109/mace.2010.5536194.

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Garg, Mansi, Beeta Kumari, and Rajesh Kumar. "Effect of 1-allyl-3-methylimidazoleum bromide on the motional dynamics and thermal stability of horse ferrocytochrome c." In ADVANCES IN BASIC SCIENCE (ICABS 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5122643.

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