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Relevant bibliographies by topics / Bromine in Chloroform

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Journal articles

Academic literature on the topic 'Bromine in Chloroform'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Bromine in Chloroform"

1

Tan, Shu Er, and Mohd Sani Sarjadi. "Alternative pathway to brominate 2,13-benzothiadiazole: Preparation of 4,7-dibromobenzo[c]-1,2,5-thiadiazole via N-bromosuccinimide." Malaysian Journal of Fundamental and Applied Sciences 13, no. 4 (2017): 760–63. http://dx.doi.org/10.11113/mjfas.v0n0.549.

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This present work reports an alternative pathway to brominate the 2,1,3-benzothiadiazole (BT). The conventional method to brominate a phenyl/benzene ring is to use the bromine solution (Br2) together with hydrobromic acid (HBr). This is because the phenyl/benzene rings exhibit high stability due to the delocalized -conjugation, which the substitution of bromines into the rings can only be done through a strong bromination source, e.g. the Br2/HBr. Besides that, there is another bromine source, known as N-bromosuccinimide (NBS), which is normally used for bromination of thiophene rings but not

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2

Carrasco-Turigas, Glòria, Cristina M. Villanueva, Fernando Goñi, Panu Rantakokko, and Mark J. Nieuwenhuijsen. "The Effect of Different Boiling and Filtering Devices on the Concentration of Disinfection By-Products in Tap Water." Journal of Environmental and Public Health 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/959480.

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Disinfection by-products (DBPs) are ubiquitous contaminants in tap drinking water with the potential to produce adverse health effects. Filtering and boiling tap water can lead to changes in the DBP concentrations and modify the exposure through ingestion. Changes in the concentration of 4 individual trihalomethanes (THM4) (chloroform (TCM), bromodichloromethane (BDCM), dibromochloromethane (DBCM), and bromoform (TBM)), MX, and bromate were tested when boiling and filtering high bromine-containing tap water from Barcelona. For filtering, we used a pitcher-type filter and a household reverse os

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3

D.T.Tayade*, R. D. Thombare S.A. Waghmare. "SYNTHESIS OF 3-[4-AMINO-N-SUBSTITUTED-o-ANISAMIDO- 5-YL]AMINO-5-SUBSTITUTED-1,2,4-DITHIAZOLE." Indo American Journal of Pharmaceutical Sciences 04, no. 10 (2017): 3890–94. https://doi.org/10.5281/zenodo.1035231.

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A novel series of 3-{4-Amino-N-[2-(dithethylamino)ethyl-o-anisamido-5-yl}amino-5-substitutedimino-1,2,4- dithiazole was synthesized by the oxidative cyclization of 4-amino-5-substituteddithiobiureto-N-[2- (dithethylamino)ethyl-o-anisamide in chloroform medium by making the use of liquid bromine as oxidizing agent. The products were characterized and justified on the basis of elemental analysis, chemical characteristics and spectral studies. Keywords:3-{4-Amino-N-[2-(dithethylamino)ethyl-o-anisamido-5-yl}amino-5-substituted -imino-1,2,4-dithiazole, 4- amino-5-substituteddithiobiureto-N-[2-(dith

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4

Koreneva, Yu. "The toxicokinetics of Bromine in the body of laying hens under conditions of subchronic administration of sodium bromide diet." Naukovij vìsnik veterinarnoï medicini, no. 2(160) (November 24, 2020): 140–49. http://dx.doi.org/10.33245/2310-4902-2020-160-2-140-149.

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The aim of the scientific work was to study the toxicokinetics of Bromine in the body of laying hens under conditions of subchronic administration of sodium bromide diet. The subject of the study was the content of bromine in the organs and tissues of laying hens under conditions of subchronic administration of sodium bromide diet. The experiment was on laying hens. Three experimental and one control groups of animals were formed (n=15). The background indicator of the Bromine content in the compound feed was 2.0 mg/kg of feed. An aqueous solution of sodium bromide was added daily to the feed

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5

Gaude, Didier, Gisèle Gellon, Raymond Le Goaller, and Jean-Louis Pierre. "Influence de la complexation sur la réactivité de nitrates d'halogènes." Canadian Journal of Chemistry 67, no. 1 (1989): 104–8. http://dx.doi.org/10.1139/v89-018.

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Iodine nitrate or bromine nitrate in acetonitrile or in chloroform react with a variety of phenolic substrates to form both halogenated and nitrated products. In the presence of strong complexing agents of halonium ions, no reaction occurs, while in the presence of pyridine or triethylamine, only halogenated phenols exhibiting a strong ortho-directing effect of the phenolic function are produced. Keywords: phenols, iodine nitrate, bromine nitrate, halogenation, nitration.

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6

Putri, Verucha Fauzia, Purwantiningsih Sugita, and Budi Arifin. "Synthesis of Bromo Eugenol Derivatives with Molecular Bromine." Jurnal Kimia Sains dan Aplikasi 27, no. 6 (2024): 271–77. http://dx.doi.org/10.14710/jksa.27.6.271-277.

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The bromination of eugenol using molecular bromine (Br2) has been widely reported. However, the outcomes have been inconsistent, and as a result, the specific steps of the bromination process have not been definitively established. This research aims to synthesize various derivatives of bromo eugenol, incorporating bromine atoms either in the alkene group, the aromatic ring, or both. The synthetic approaches employed include: (1) direct bromination of eugenol using 1.2, 2.4, and 3.6 equivalents (equiv) of Br2 in chloroform, (2) bromination of eugenyl benzoate with 2.4 equiv of Br2 in chlorofor

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7

Kut, D., M. Kut, M. Onysko, and V. Lendel. "Kut D., Kut M., Onysko M., Lendel V. STUDY OF REGIO- AND STEREO-SELECTIVITY OF HALOGEN-INDUCED CYCLIZATION OF TERMINAL PROPARGYL THIOETHERS OF 3-ALKYL(PHENYL)QUINAZOLINE-4-ONES." Scientific Bulletin of the Uzhhorod University. Series «Chemistry» 50, no. 2 (2024): 46–52. http://dx.doi.org/10.24144/2414-0260.2023.2.46-52.

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Polycyclic condensed quinazoline derivatives are biologically valuable compounds that have found their application in pharmaceutical and medicinal chemistry. Their practical use makes such compounds interesting and promising, and their synthesis is an urgent task. In the present work, the regio- and stereo-selectivity of the halocyclic reaction of propargyl thioethers of 2-thioxoquinazoline-4-one with bromine, iodine and iodine bromide, the effect of solvent polarity, acceptor substituent at position 7 of quinazoline, and the steric effect of the substituent at N(3) of quinazoline on the cours

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8

Kuprin, Gennady N., and Denis S. Kuprin. "Fast-Hardening Foam: Fire and Explosion Prevention at Facilities with Hazardous Chemicals." Journal of Materials Science Research 6, no. 4 (2017): 56. http://dx.doi.org/10.5539/jmsr.v6n4p56.

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Analysis of the terroristic attacks in Siria, Afghanistan and other countries has shown high probability of the hazardous chemicals application by the terroristic groups. In the article the most catastrophic accidents which were connected with hazardous chemicals are described.That is why research and developments in the sphere of protection from hazardous chemicals are still actual.This article is dedicated to the new screening method of the spilled hazardous chemicals surface on the example of protection of the factories with these substances. Methodology, experimental apparatus, protective

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9

Mazhukina, О. А., and О. V. Fedotova. "Morden Aspects in Chemistry of Condensed 2H-chromen-2-ones." Izvestiya of Saratov University. Chemistry. Biology. Ecology 10, no. 2 (2010): 3–7. http://dx.doi.org/10.18500/1816-9775-2010-10-2-3-7.

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The bromination of condensed chromen-2-ones is carried out. The influence of medium on the reaction occurrence has been studied. In the acidic acid solution aromatization of the 4H-pyrane fragment or hydrogen atom substitution at the tertiary carbon atom takes place. In chloroform, addi tion of bromine by the double bond occurs. Mixture of tetrachloromethane and propanol-2 promotes the intermolecular dehydration with the formation of ether bond.

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10

V, Kumar, and Rao CMMP. "Pharmacological Screening of Some Novel 3,5-Disubstituted Isoxazoles Derivatives of Dibromochalcones." INTERNATIONAL JOURNAL OF DRUG DELIVERY TECHNOLOGY 14, no. 04 (2024): 1130–38. https://doi.org/10.25258/ijddt.14.4.30.

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Background: The preparation of some novel 3, 5-disubstituted isoxazole derivatives of dibromochalcones is encouraged by the study. When hydroxylamine hydrochloride and α-β chalcone dibromide combine, a new technique for synthesizing 3,5-disubstituted isoxazoles is produced. Bromine or N-BromoSuccinimide can be used to produce compounds with low polarity like carbon tetrachloride, chloroform and dichloromethane; however the product obtained are very little. Tetrabutylammonium tribromide (TBABr3), thus, induces chalcones to bromate regioselectively and produces a high yield without polymerisatio

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