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Relevant bibliographies by topics / Maleic anhydride Reactivity

Academic literature on the topic 'Maleic anhydride Reactivity'

Author: Grafiati

Published: 10 December 2022

Last updated: 29 January 2023

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Journal articles on the topic "Maleic anhydride Reactivity"

1

Escalera, Santiago de la, and Enrique Palacián. "Dimethylmaleic anhydride, a specific reagent for protein amino groups." Biochemistry and Cell Biology 67, no. 1 (January 1, 1989): 63–66. http://dx.doi.org/10.1139/o89-010.

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The reagent dimethylmaleic anhydride does not cause a stable modification of thiol compounds under the conditions used for modification of protein amino groups, in contrast to maleic and monomethylmaleic anhydrides, which produce an irreversible modification of sulfhydryl groups. This behavior and the low reactivity toward hydroxyamino acid residues, shown in a previous work, make dimethylmaleic anhydride a specific reagent for protein amino groups.Key words: sulfhydryl modification, cysteine residues, maleic anhydride, monomethylmaleic anhydride, dimethylmaleic anhydride.

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2

Gil Girol, Stefanie, Thomas Strunskus, Martin Muhler, and Christof Wöll. "Reactivity of ZnO Surfaces toward Maleic Anhydride." Journal of Physical Chemistry B 108, no. 36 (September 2004): 13736–45. http://dx.doi.org/10.1021/jp048386d.

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3

Bistac, S., M. F. Vallat, and J. Schultz. "Investigation of Chemical Interactions at the Steel/Polymer Interface by FT-IR Diffuse Reflectance Spectroscopy." Applied Spectroscopy 51, no. 12 (December 1997): 1823–25. http://dx.doi.org/10.1366/0003702971939893.

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Interactions between a steel surface and an ethylene–vinyl acetate copolymer grafted with maleic anhydride have been investigated by Fourier transform infrared (FT-IR) diffuse reflectance spectroscopy. The failed surfaces obtained after a mechanical separation of the polymer/steel assemblies have been analyzed. The results show that a new peak appears, characteristic of a carboxylate group. A model system composed of maleic anhydride deposited on iron plates has been studied in order to consider more specifically the reactivity of maleic anhydride. Peaks characteristic of metallic carboxylate complexes are present in the spectrum. A two-step mechanism has been proposed: the opening of the anhydride cycle by a hydrolysis reaction, leading to the formation of a carboxylic diacid, followed by the reaction of the acid with some oxidized metallic elements present at the metal surface. This study underlines the contribution of FT-IR reflectance techniques to the understanding of the adhesion mechanisms.

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4

Vida, Norbert, Jiří Václavík, and Petr Beier. "Synthesis and reactivity of aliphatic sulfur pentafluorides from substituted (pentafluorosulfanyl)benzenes." Beilstein Journal of Organic Chemistry 12 (January 20, 2016): 110–16. http://dx.doi.org/10.3762/bjoc.12.12.

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Oxidation of 3- and 4-pentafluorosulfanyl-substituted anisoles and phenols with hydrogen peroxide and sulfuric acid provided a mixture of SF5-substituted muconolactone, maleic, and succinic acids. A plausible mechanism for the formation of the aliphatic SF5 compounds was presented and their chemical reactivity was investigated. SF5-substituted para-benzoquinone was synthesized; its oxidation led to an improved yield of 2-(pentafluorosulfanyl)maleic acid. The reaction of SF5-substituted maleic anhydride and para-benzoquinone with cyclopentadiene afforded the Diels–Alder adducts. Decomposition of 3-(pentafluorosulfanyl)muconolactone in acidic, neutral and basic aqueous media was investigated and the decarboxylation of 2-(pentafluorosulfanyl)maleic acid provided 3-(pentafluorosulfanyl)acrylic acid.

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5

Shaik, Muneer, Vamshi K. Chidara, Srinivas Abbina, and Guodong Du. "Zinc Amido-Oxazolinate Catalyzed Ring Opening Copolymerization and Terpolymerization of Maleic Anhydride and Epoxides." Molecules 25, no. 18 (September 4, 2020): 4044. http://dx.doi.org/10.3390/molecules25184044.

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Ring opening copolymerization (ROCOP) of epoxides and cyclic anhydrides has become an attractive approach for the synthesis of biodegradable polyesters with various compositions. Encouraged by the efficiency and versatility of a series of amido-oxazolinate zinc complexes, in this study they were shown to be active catalysts for the synthesis of unsaturated polyesters via ROCOP of maleic anhydride and various epoxides. The relative activity of epoxides in these reactions was observed to be styrene oxide > cyclohexene oxide > phenyl glycidyl ether, which could be correlated with the electronic and steric features of the substrate. To provide more structural possibilities for the polyesters, the difference in epoxide reactivity was exploited in an attempt to prepare block terpolymers from one anhydride and two epoxides. Terpolymerization was carried out in one or two steps in a single pot. The thermal characterization by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) techniques suggested that the resulting materials were mostly random terpolymers.

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6

Fellows, Christopher M., and Ernest Senogles. "The reactivity of maleic anhydride toward the 1-phenylethyl radical." European Polymer Journal 34, no. 9 (September 1998): 1249–54. http://dx.doi.org/10.1016/s0014-3057(97)00262-0.

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7

Spino, Claude, and Jason Crawford. "2-Carbomethoxy-1,3-butadiene: an electronically activated diene in [4 + 2] cycloadditions with electron-deficient dienophiles." Canadian Journal of Chemistry 71, no. 7 (July 1, 1993): 1094–97. http://dx.doi.org/10.1139/v93-145.

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Cross Diels–Alder reactions between 2-carbomethoxy-1,3-butadiene 1 and electron-rich dienes were carried out. It was found that diene 1 had a higher reactivity than even the well-known Danishefsky diene in its Diels–Alder cycloaddition with electron-deficient dienophiles. In addition, (Z)-1-methylthio-3-carbomethoxy-1,3-butadiene 11 was found to have a higher reactivity than (Z)-1-methylthio-1,3-butadiene and (Z)-2-carbomethoxy-1,3-hexadiene, while both (E)- and (Z)-1,2-(bis)-carbomethoxy-1,3-butadiene 14 reacted efficiently with maleic anhydride to give the corresponding cy-cloadduct 15.

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8

McIntyre, Hannah M., and Megan L. Hart. "Immobilization of TiO2 Nanoparticles in Cement for Improved Photocatalytic Reactivity and Treatment of Organic Pollutants." Catalysts 11, no. 8 (August 1, 2021): 938. http://dx.doi.org/10.3390/catal11080938.

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Non-point organic pollutants in stormwater are a growing problem in the urban environment which lack effective and efficient treatment technologies. Incorporation of conventional wastewater techniques within stormwater management practices could fundamentally change how stormwater quality is managed because contaminants can be degraded during stormwater transport or storage. This study investigated the photocatalytic reactivity of titanium dioxide functionalized with maleic anhydride (Ti-MAH) within cement pastes when compared to ordinary Portland cement. Preparation of Ti-MAH was performed by permanently bonding maleic anhydride to titanium in methanol, drying and powdering the residual material, and then inter-grinding the preparation with cement during mixing. When compared with OPC, the Ti-MAH cured cement paste is more reactive under a wider range of light wavelengths, possesses a higher band gap, sustains this heightened reactivity over multiple testing iterations, and treats organics effectively (>95% methylene blue removal). Amorphous silica within calcium-silica-hydrate, C-S-H, is theorized to bond to the powdered Ti-MAH during curing. Verification of silicon bonding to the titanium by way of MAH was demonstrated by FTIR spectra, SEM imagery, and XRD. Creating a sustainable and passive photocatalytic cement that precisely bonds silica to Ti-MAH is useful for organic contaminants in urban stormwater, but use can translate to other applications because Ti-MAH bonds readily with any amorphous silica such as glass materials, paints and coatings, optics, and LEDS, among many others.

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9

Cavani, F., S. Ligi, T. Monti, F. Pierelli, F. Trifirò, S. Albonetti, and G. Mazzoni. "Relationship between structural/surface characteristics and reactivity in n-butane oxidation to maleic anhydride." Catalysis Today 61, no. 1-4 (August 2000): 203–10. http://dx.doi.org/10.1016/s0920-5861(00)00383-7.

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10

Medrán, Noelia S., Federico Dezotti, and Silvina C. Pellegrinet. "Remarkable Reactivity of Boron-Substituted Furans in the Diels–Alder Reactions with Maleic Anhydride." Organic Letters 21, no. 13 (June 19, 2019): 5068–72. http://dx.doi.org/10.1021/acs.orglett.9b01662.

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Book chapters on the topic "Maleic anhydride Reactivity"

1

Centi, G., D. Pinelli, F. Trifiro, F. Ungarelli, and J. Lopez Nieto. "Synthesis of Phthalic and Maleic Anhydrides from n-Pentane: Reactivity of Possible Intermediates and co-Feeding Experiments." In New Developments in Selective Oxidation, 635–42. Elsevier, 1990. http://dx.doi.org/10.1016/s0167-2991(08)60195-0.

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