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Relevant bibliographies by topics / Benzyl bromide

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Academic literature on the topic 'Benzyl bromide'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Benzyl bromide"

1

Hu, Jinbo, Cuiwen Kuang, Chuanfa Ni, and Yucheng Gu. "Photoredox-Catalyzed Ring-Opening Addition Reaction between Benzyl Bromides and Cyclic Ethers." Synthesis 54, no. 05 (2021): 1272–86. http://dx.doi.org/10.1055/a-1671-6856.

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AbstractA novel nucleophilic reaction between cyclic ethers and benzyl bromides is achieved under photoredox catalysis. The reaction proceeds through a single-electron-transfer (SET) pathway rather than a common SN2 mechanism. By two steps of reduction and oxidation, a benzyl bromide heterolyzes to give a carbocation and bromide ion under mild conditions, and then a cyclic ether captures both the carbocation and bromide ion to afford the addition product.

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2

Bijudas, K., and P. Bashpa. "Selective Oxidation of Benzyl Halides to Benzaldehydes by Phase Transfer Catalyzed Monochromate Ions in Non-Polar Solvents." Asian Journal of Organic & Medicinal Chemistry 5, no. 3 (2020): 249–53. http://dx.doi.org/10.14233/ajomc.2020.ajomc-p287.

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Benzyl chloride, benzyl bromide and their para substituted derivatives were selectively oxidized to corresponding benzaldehydes by acidified monochromate in toluene and ethyl acetate with the help of phase transfer catalysts like tetrabutylphosphonium bromide (TBPB), tetrabutylammonium bromide (TBAB), tetrabutylammonium hydrogen sulphate (TBAHS), cetyltrimethylammonium bromide (CTMAB) and tricaprylmethylammonium chloride (TCMC). The reaction was carried out by simple magnetic stirring for about 2 h at 60 ºC. The products were recrystallized and analyzed by infrared and UV-visible spectral tech

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3

Bashpa, P., and K. Bijudas. "Green synthesis of benzaldehydes by the selective oxidation o benzyl alcohols using hexacyanoferrate (III) and bromate under phase transfer catalysis." Research Journal of Chemistry and Environment 26, no. 1 (2021): 28–33. http://dx.doi.org/10.25303/2601rjce2833.

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The selective oxidation of benzyl alcohols and substituted benzyl alcohols was carried out in greener solvents like ethyl acetate and toluene by hexacyanoferrate (III) and bromate ions under phase transfer catalysis. Various phase transfer catalysts like tetrabutylphosphonium bromide, tetrabutylammonium bromide, tetrabutylammonium hydrogen sulphate, cetyltrimethylammonium bromide and tricaprylmethylmmonium chloride were used. A pinch of sodium tungstate dihydrate is added as a co-catalyst when bromate is used an oxidant and hexacyanoferrate (III) is used in presence of mineral acids. The produ

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Ledvina, Miroslav, Jiří Farkaš, Jaroslav Zajíček, Jan Ježek та Milan Zaoral. "An alternative synthesis of O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1→4)-N-acetylnormuramoyl-L-α-aminobutanoyl-D-isoglutamine". Collection of Czechoslovak Chemical Communications 54, № 10 (1989): 2784–94. http://dx.doi.org/10.1135/cccc19892784.

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Silver triflate-promoted condensation of 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl bromide (VIII) with benzyl 2-acetamido-6-O-benzoyl-2-deoxy-3-O-(methoxycarbonyl)-methyl-α-D-glucopyranoside (IV) afforded benzyl 2-acetamido-4-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-6-O-benzoyl-2-deoxy-3-O-(methoxycarbonyl)methyl-α-D-glucopyranoside (IX) which, after deprotection, was converted into the acid XI. Condensation of acid XI with L-α-aminobutanoyl-D-isoglutamine benzyl ester and subsequent hydrogenolysis of the product XIII furnished compound XIV. Benzyl 2-ac

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5

Borisova, Yulianna G., Rimma M. Sultanova, and Simon S. Zlotsky. "SYNTHESIS AND BIOLOGICAL ACTIVITY OF AMMONIUM SALTS CONTAINING CYCLOACETAL FRAGMENT." ChemChemTech 68, no. 2 (2024): 46–51. https://doi.org/10.6060/ivkkt.20256802.7127.

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Interaction of consecutive chain amines (pyridine, 2-methyl-pyridine, 4-vinyl-pyridine, 4-(1,3-dioxolan-2-yl)pyridine) with bromo derivatives (allyl bromide, benzyl and 2-β-bromoethyl-1 ) ,3-dioxolane), new quaternary ammonium salts were synthesized under thermal conditions containing allylic (1-allylpyridinium-, 1-allyl-4-vinylpyridinium- and 1-allyl-4-(1,3-dioxolan-2-yl) pyridinium bromides), benzyl (1-benzyl-4-vinylpyridinium-, 1-benzyl-4-(1,3-dioxolan-2-yl)pyridinium bromides) or 1,3-dioxolanoate (1-[2-(1 ,3-) dioxolan-2-yl)ethyl]pyridinium-, 1-[2-(1,3-dioxan-2-yl)ethyl]-2-methylpyridinium

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6

Ball, Joanne M., P. Michael Boorman та Kelly J. Moynihan. "Reactions of confacial bioctahedral ditungsten(III) species: Product distribution in reactions of the μ-hydrido-(bis-μ-dimethylsulfide)bis (trichlorotungstate(III)) ion, and trichlorotungsten(III)(μ-hydrido)bis((μ-dimethylsulfide)(dimethylsulfide)-dichlorotungsten(III) with benzyl bromide and bromide ion". Canadian Journal of Chemistry 68, № 5 (1990): 685–90. http://dx.doi.org/10.1139/v90-105.

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Reactions of compound Cl3W(μ-H)(μ-Me2S)2WCl2(Me2S), 1, and salts of derived chloro anion [Cl3W(μ-H)(μ-Me2S)2WCl3]−, 2, with bromide ion and with benzyl bromide are described. 1 was previously shown (1) to exist as a mixture of meso (C2v) and DL-pair (C1) of isomers, with the C2v isomer being the more stable. Displacement of the terminal dimethyl sulfide ligand of 1 by bromide ion results in the formation of the analogous isomers of ion [Cl3W(μ-H)(μ-Me2S)2WCl2Br]−, with retention of stereochemistry. The 1H NMR spectra of compounds in this series are uniquely informative as to the isomers presen

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Liu, Min, Meng-Tian Zeng, Wan Xu, et al. "NaH-Promoted Transformation of Arylthioureas to Aryl-Isothioureas by S-Allylation and S-Benzylation Reactions." Journal of Chemical Research 41, no. 3 (2017): 165–67. http://dx.doi.org/10.3184/174751917x14878812592733.

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A series of 16 substituted aryl-isothioureas were prepared in excellent yields (80–97%) by reacting substituted arylthioureas with allyl bromide or substituted benzyl bromides in the presence of NaH in DMSO at room temperature. The substituent variations on the benzyl reactants had a larger effect on the yields than substituent variations on the allyl reactants. The method provides a facile and convenient preparation of some potentially biologically active compounds.

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Rufa'i, S. A., H. U. Yaqub, and M. B. Ibrahim. "A Solventless Process for the Synthesis of Imidazolium-Based Ionic Liquids." Bayero Journal of Pure and Applied Sciences 14, no. 2 (2022): 71–76. http://dx.doi.org/10.4314/bajopas.v14i2.8.

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Benzyl imidazole (1a) was successfully synthesized from the N-alkylation of imidazole with benzyl bromide. The product (1-benzylimidazole) was further alkylated using neat butyl bromide to yield an imidazolium ionic liquid, (1-Benzyl-3-butylimidazoliumbromide (2a)). Similarly, 1-methylimidazole (1b) was reacted with benzyl bromide to yield 1-Methyl-3-butylimidazolium bromide (2b). The synthesized compounds were characterized by spectroscopic techniques and elemental compositions were established on the basis of C, H, N elemental analyses. Proton NMR of both ionic liquids 2a and 2b reveals the

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9

Ghosh, Shyamali, William A. Kinney, Diane A. Gauthier, Edward C. Lawson, Tomas Hudlicky, and Bruce E. Maryanoff. "Convenient preparation of aryl-substituted nortropanes by SuzukiMiyaura methodology." Canadian Journal of Chemistry 84, no. 4 (2006): 555–60. http://dx.doi.org/10.1139/v06-045.

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The synthesis of a new bicyclic vinyl boronate (5) was accomplished from N-Boc-nortropinone (6) in two steps. The SuzukiMiyaura coupling of 5 to a variety of aryl bromides and triflates afforded 3-aryl-8-azabicyclo[3.2.1]oct-2-enes in good yields by adjusting the substrate and (or) reaction conditions. Reduction to the 3-aryl-8-azabicyclo[3.2.1]octanes was achieved by hydrogenation. Interestingly, the coupling was also successful with benzyl bromides, providing entry into another group of intermediates.Key words: nortropane, SuzukiMiyaura, boronate, piperidine, GPCR, benzyl bromide.

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Hanselová, Mária, Renáta Gašparová, and Margita Lácová. "Synthesis and plant growth activity of 2-(4-oxochromen-3-yl)benzothiazolium and -benzoxazolium bromides." Nova Biotechnologica et Chimica 8, no. 1 (2021): 79–86. http://dx.doi.org/10.36547/nbc.1311.

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A facile synthesis of novel 2-(4-oxochromen-3-yl) benzothiazolium bromides 4 and benzoxazolium bromide 5 using the one-pot condensation of substituted 4-oxochromene-3-carboxaldehydes 1 with 2-methylbenzothiazole (2a) or 2-methylbenzoxazole (2b) and benzyl bromide is described. The effects of benzothiazolium bromides 4 on the growth stimulation of the cucumber and retardant activity on corn seedlings were investigated. They inhibited growth of cucumber (root and hypocotyl) and shoots of corn at the range of 10 – 100 ppm and stimulated at 0.1 – 1 ppm concentrations.

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Dissertations / Theses on the topic "Benzyl bromide"

1

Pham, Van Tuyet. "The synthesis and reactions of chiral 1,3,2-oxazaphospholane derivations : kinetic and mechanistic studies of polyether omega-phase catalyzed reactions of potassium cyanide with benzyl bromide in non-polar, aprotic solvent toluene." Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/27416.

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Bennis, Khalil. "Etude de l'adsorption et de la reduction electrochimique sur electrode de mercure de quelques cetones en presence de tensio-actifs en milieu aqueux." Clermont-Ferrand 2, 1988. http://www.theses.fr/1988CLF2E406.

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Etude de la reduction electrochimique de l'acetophenone, l'oxyde de mesityle et l'ethylideneacetone en milieu aqueux en presence d'agents de surface anioniques (laurylsulfate de sodium), d'agents de surface cationiques (bromure de benzyltrimethylammonium et bromure de cetyltrimethylammonium) et d'agents de surface non ioniques (brij 35 et poly(oxyethylene))

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3

Riyahi, Benzakour Jamila. "Étude du mode d'action de quelques pesticides sur le métabolisme énergétique du soja (glycine Max L. )." Nancy 1, 1988. http://www.theses.fr/1988NAN10253.

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Les mitochondries prises comme révélateurs de l'activité de pesticides ont été extraites de trois types de tissus (cotyledons, feuilles et racines). Les trois types de pesticides utilisés (herbicides 2,4-D et pyrifenops, fongicides aacl ou sels d'alkylammonium) agissent comme découplants-inhibiteurs sur les mitochondries. Les composés du groupe AACL sont les plus puissants et les différences d'action entre mitochondries de tissus chlorophyllien et racinaire semblent provenir de la présence d'une voie de transport d'électrons résistante au cyanure dans les tissus photosynthétiques

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4

BELLOSTA, DECHAVANNE VERONIQUE. "Contribution a l'etude de la reactivite de derives glucidiques vis-a-vis d'organometalliques : nouvelles syntheses stereospecifiques de c-glycosides." Paris 6, 1987. http://www.theses.fr/1987PA066256.

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Deux nouvelles methodes de syntheses stereospecifiques de desoxy-2 c-glucosides possedant une fonction ester d'enol sont presentees : - l'addition conjuguee d'organocuprates cyanes sur des hexeno-1 pyrannuloses-3 peracetyles (l'anhydride acetique piegeant l'enolate intermediaire) permet d'obtenir des aryl-alpha -d-c-glycosides. Cette methode est detendue avec succes en serie furannose; - l'arylation de glycals catalysee par des sels de palladium fournit les composes voulus en une seule etape a partir de derives glucidiques commerciaux. L'etude de la configuration des c-glycosides obtenus est e

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Souabi, Salah. "Etude de l'adsorption de tensioactifs cationiques sur charbon actif influence de coadsorbats /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376186543.

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Chen, Yun-Ling, and 陳郁齡. "The Carbonylation of Nitrobenzene or Benzyl Bromide with Formate Ester." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/21486068606835775445.

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7

ZHUANG, HE-MU, and 莊賀木. "The study of bromide and iodide effect on the synthesis of benzyl esters with tertiary amine as catalyst." Thesis, 1987. http://ndltd.ncl.edu.tw/handle/29170130475205910213.

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8

ZHAO, CHENG-LONG, and 趙澄龍. "The study of iodide and bromide effect on the synthesis of benzyl ethers with tertiary amine as catalyst." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/70812034395120293749.

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9

GUO, YU-CHENG, and 郭昱成. "(Thiolan-2-yl)diphenylmethanol Benzyl Ether-catalyzed Asymmetric Cyclopropanation of Chalcones with Cinnamyl Bromide & Development of New Chiral Furan Compound." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/3ed5t3.

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碩士<br>國立中正大學<br>化學暨生物化學研究所<br>106<br>This work describles catalytic and asymmetric cyclopropanation by using (Thiolan-2-yl)diarylmethanol benzyl ether as an organocatalyst. We optimized the reaction condition by screening solvents, bases, additives, temperatures and catalysts. The most important factors are solvent and temperature, which affect the diastereoselectivity and enantioselectivity. Under the optimized reaction conditions, cinnamyl bromide reacted with trans-chalcones via the CoreyChaykovsky reaction to give major cis-vinylcyclopropanes with up to 95% ee. Besides, we synthesized a c

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Shaio, De-Zhi, and 蕭德志. "Using benzyl bromide to synthesis N-alkylation reaction with N-confused porphyrin and using Mn, Ni, Pd and Ag as metal reagent." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/96046198505493953624.

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碩士<br>國立中興大學<br>化學系所<br>99<br>We use benzyl bromide to proceed N-alkylation with N-confused porphyrin that synthesis 2-NCH2C6H5NCTPPH, and using Mn, Ni, Pd and Ag as metal reagent to get five complexes Mn (2-NCH2C6H5NCTPP)Br; Ni(2-NCH2C6H5NCTPP); Pd(2-NCH2C6H5NCTPPH); [ Ag2(2-NCH2C6H5NCTPP)2]2+∙[Ag2(O2CCF3)4]2-and Ag(2- NCH2C6H5 -3-O-NCTPP). Then we use X-ray Single-Crystal Diffeactometer, NMR spectroscopy and EPR spectroscopy, etc., to determine the crystal structure and discuss their physics phenomenon.

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Book chapters on the topic "Benzyl bromide"

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Trzeciak, Anna M., and Józef J. Ziółkowski. "Palladium Chemistry Related to Benzyl Bromide Carbonylation: Mechanistic Studies." In Organometallic Chemistry and Catalysis. Springer Vienna, 2001. http://dx.doi.org/10.1007/978-3-7091-6274-3_5.

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2

Holze, Rudolf. "Ionic conductance of allyl benzyl methyl phenyl ammonium bromide." In Electrochemistry. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49251-2_632.

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3

Pardasani, R. T., and P. Pardasani. "Magnetic properties of binuclear nickel(II) bromine bridged complex of 2, 6-bis[(benzyl)mercaptomethyl]-pyridine." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_700.

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Payne, Martin P., and Mary R. Truter. "Complexes between Disubstituted Benzo-15-Crown-5 Ligands and Sodium or Potassium Bromides." In The Pedersen Memorial Issue. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2532-1_23.

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Pfeiffer, W. D. "Benzylic Bromides." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00389.

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Rück-Braun, K., and T. Freysoldt. "Hydrobromination of Aziridines Using Benzyl Bromides." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00469.

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Margaretha, P. "Benzylic Chlorides from Benzylic Alcohols." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00176.

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Margaretha, P. "Benzylic Chlorides from Benzylic Ethers." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00184.

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Margaretha, P. "Benzylic Chlorides from Other Benzylic Halides." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00174.

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Pfeiffer, W. D. "Benzylic Chlorides." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00146.

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Reports on the topic "Benzyl bromide"

1

Freeman, Stanley, and Daniel Legard. Epidemiology and Etiology of Colletotrichum Species Causing Strawberry Diseases. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7695845.bard.

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Diseases caused by Colletotrichum spp. are one of the most important limitations on international strawberry production, affecting all vegetative and fruiting parts of the plant. From 1995 to 1997, C. acutatum infections reached epidemic levels in Israeli strawberry nurseries, causing extensive loss of transplants in fruit-bearing fields and additional reductions in yield. Although C. acutatum also occurs on strawberry in Florida, recent crown rot epidemics have been primarily caused by C. gloeosporioides. Little is known about the basic epidemiology of these important diseases on strawberry.

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