Academic literature on the topic 'Thionyl Bromide'

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Journal articles on the topic "Thionyl Bromide"

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Al-Mousawi, S. M., I. Bhatti, and S. D. Saraf. "REACTION OF THIONYL BROMIDE WITH KETONES." Organic Preparations and Procedures International 24, no. 1 (1992): 60–63. http://dx.doi.org/10.1080/00304949209356700.

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AL-MOUSAWI, S. M., I. BHATTI, and S. D. SARAF. "ChemInform Abstract: Reaction of Thionyl Bromide with Ketones." ChemInform 23, no. 36 (2010): no. http://dx.doi.org/10.1002/chin.199236090.

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Saraf, S. D., та Fatima Al-Omran. "α,α-DIBROMODESOXYBENZOIN FROM THE REACTION OF THIONYL BROMIDE WITH BENZOIN". Organic Preparations and Procedures International 19, № 6 (1987): 455–57. http://dx.doi.org/10.1080/00304948709356210.

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M., L. SHARMA, RANI META, K. TALWAR K., and S. KALSI P. "Synthesis and Plant Growth Retardant Activity of Trialkylammonium Iodides containing an Aromatic Ether Moiety." Journal of Indian Chemical Society Vol. 68, Mar 1991 (1991): 135–37. https://doi.org/10.5281/zenodo.5955300.

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Department of Chemistry. Panjab Agricultural University, Ludhiana-141 004 <em>Manuscript received 15 November 1990, accebted 7 March 1991</em> <em>N,N</em>-Diethylamines (5, 6) are prepared by treating the phenols (1, 2) with ethylene bromide in the presence of sodium hydroxide, followed by the reaction of the resulting phenoxy bromides (3, 4) with diethylamine and potassium carbonate in acetone. <em>N,N</em>-Dimethylamines (20 -22) are prepared by treating the pbenoxyethanoic acids (11 -13) with thionyl chloride and then treating the resulting acid chlorides (14 -16) with aqueous dimethylamin
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Malm, Johan, Anna-Britta Hörnfeldt, Salo Gronowitz, et al. "On the Reaction of Thieno[c][1,5]naphthyridine 5-Oxides and 9-Oxides with Thionyl Chloride and Thionyl Bromide. Some Selective Nucleophilic Reactions." Acta Chemica Scandinavica 49 (1995): 744–50. http://dx.doi.org/10.3891/acta.chem.scand.49-0744.

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MALM, J., A. B. HOERNFELDT, and S. GRONOWITZ. "ChemInform Abstract: Reaction of Thieno(c)(1,5)naphthyridine 5-Oxides and 9-Oxides with Thionyl Chloride and Thionyl Bromide. Some Selective Nucleophilic Reactions." ChemInform 27, no. 2 (2010): no. http://dx.doi.org/10.1002/chin.199602182.

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Muhammad, Iqbal, Akram Muhammad, Bakhsh Baloch Imam та Kaleem Baloch Musa. "Synthesis of monoesters monochlorides and γ-ketoesters". Journal of Indian Chemical Society Vol. 91, Dec 2021 (2014): 2235–45. https://doi.org/10.5281/zenodo.5746258.

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Department of Chemistry, Gomal University, Dera Ismail Khan, KPK, Pakistan <em>E-mail</em> : miqbal_44@yahoo.com Fax : 92-966-750255 Medicinal Botanic Centre, PCSIR Laboratories Complex Peshawar, KPK, Pakistan <em>Manuscript received online 17 January 2014, accepted 01 July 2014</em> In the present work previously prepared monoesters (1-20) on treatment with thionyl chloride have been converted to monoacids monochlorides (1a-20a). The monoacids monochlorides thus obtained were treated with diethyl cadmium bromide to afford corresponding &gamma;-ketoesters (1b-20b) in yields good. The products
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Krečmerová, Marcela, Hubert Hřebabecký, and Antonín Holý. "Preparation of 5-Benzyluracil and 5-Benzylcytosine Nucleosides as Potential Inhibitors of Uridine Phosphorylase." Collection of Czechoslovak Chemical Communications 61, no. 4 (1996): 627–44. http://dx.doi.org/10.1135/cccc19960627.

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Reaction of 3,4,6-tri-O-acetyl-2-deoxyglucopyranosyl bromide (1) with silylated 5-benzyluracil and subsequent ammonolysis afforded α- and β-anomers of 5-benzyl-1-(2-deoxy-D-glucopyranosyl)uracil (2 and 3). Under catalysis with tin tetrachloride, silylated 5-benzyluracil reacted with 1-O-acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose to give 2',3',5'-tri-O-benzoyl-5-benzyluridine (10), which was converted into the 4-thio derivative 11 by reaction with Lawesson reagent. Debenzoylation of compound 11 afforded 5-benzyl-4-thiouridine (12), whereas its reaction with methyl iodide and deblocking gave 4-me
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Krečmerová, Marcela, Hubert Hřebabecký, and Antonín Holý. "Synthesis of 5-Phenylcytosine Nucleoside Derivatives." Collection of Czechoslovak Chemical Communications 61, no. 4 (1996): 645–55. http://dx.doi.org/10.1135/cccc19960645.

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Reaction of silylated 5-phenylcytosine with 1-O-acetyl-2,3,5-tri-O-benzoyl-D-ribose, catalyzed with tin tetrachloride, and subsequent methanolysis afforded 5-phenylcytidine (2). This compound reacted with thionyl chloride in acetonitrile to give cyclic sulfite 3 which on heating in dimethylformamide was converted into 2,2'-anhydro-1-(β-D-arabinofuranosyl)-5-phenylcytosine (4). Analogous reaction of compound 2 with thionyl chloride at reflux gave 5'-chloro-5'-deoxy-2',3'-cyclic sulfite 5. Its heating in dimethylformamide afforded 5'-chloro-2,2'-anhydro derivative 6, mild alkaline hydrolysis led
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Polívka, Zdeněk, Miloš Buděšínský, Jiří Holubek, et al. "4H-Benzo[4,5]cyclohepta[1,2-b]thiophenes and 9,10-dihydro derivatives - Sulfonium analogues of pizotifen and ketotifen; Chirality of ketotifen; Synthesis of the 2-bromo derivative of ketotifen." Collection of Czechoslovak Chemical Communications 54, no. 9 (1989): 2443–69. http://dx.doi.org/10.1135/cccc19892443.

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Reaction of ketone IX with 4-tetrahydrothiopyranylmagnesium bromide and the following dehydration with thionyl chloride afforded the sulfide III which was transformed to the methiodide II (sulfonium analogue of pizotifen). Similar sequence starting from the ketone XXIV and concluded by dehydration of the alcohol XX, cleavage of the enol ether, and by treatment with methyl iodide resulted in the formation of the sulfonium analogue of ketotifen (V). Three modified routes leading to ketotifen (IV) are being described. The chirality of ketotifen was proven by 1H NMR spectroscopy with the help of t
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Dissertations / Theses on the topic "Thionyl Bromide"

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Coupe, Paul J. "Mechanistic investigations of the S-nitrosothiol, peroxynitrous acid and thiol system." Thesis, Durham University, 2001. http://etheses.dur.ac.uk/4211/.

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S-Nitrosothiols have been found to undergo nucleophilic attack by the hydroperoxide anion to effect electrophilic nitrosation of the nucleophile. Peroxynitrite anion is formed in almost quantitative yields and the kinetics of the reaction examined, confirming attack through the deprotonated form of hydrogen peroxide. Conversely, under slightly acidic conditions peroxynitrous acid, the neutral form of peroxynitrite, has been shown to nitrosate an excess of thiol in an indirect pathway. Initially two moles of thiol are oxidised to the corresponding disulfide with the concomitant production of ni
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Mulay, Prajakatta. "Synthesis of Folate-Targeted Poly(Ethylene Glycol)-Based Conjugates And Their Precursors." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1574442562023675.

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Book chapters on the topic "Thionyl Bromide"

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Hibbert, Harold, J. C. Pullman, H. S. Booth, and Clarence Seabright. "Thionyl Bromide." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132326.ch41.

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Margaretha, P. "With Thionyl Chloride." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00199.

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Margaretha, P. "Synthesis Using Thionyl Chloride." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00177.

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Margaretha, P. "Synthesis from Propargylic Alcohols and Thionyl Chloride." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00144.

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Margaretha, P. "Replacement of an Alcoholic Hydroxy Group with Thionyl Chloride." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00068.

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Roy, K. M. "Synthesis of 1-Chloro-3-methylbut-2-ene Using Thionyl Chloride/Silica Gel." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00106.

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Rück-Braun, K., and T. Freysoldt. "Hydrochlorination of Epoxides Using Phosphorus Chlorides, Phosphonium Chlorides, Thionyl Chloride, and Related Compounds." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00242.

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Margaretha, P. "Bromodecarboxylation of -(Acyloxy)pyridine-2(1)-thiones." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00294.

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Margaretha, P. "Chlorodecarboxylation of 1-(Acyloxy)pyridine-2(1)-thiones." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00051.

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Härtinger, S., and M. Härtinger. "Synthesis from -(Acyloxy)pyridine-2(1)-thiones by Degradation." In Chlorine, Bromine, and Iodine. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-035-00491.

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