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575 Newest Publications about the topic bromine

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The chemical behavior of terminally tert-butylated polyolefins

24-Jul-2015 | Dagmar Klein, Henning Hopf, Peter G. Jones, Ina Dix and Ralf Hänel, Beilstein Journal of Organic Chemistry, 2015

Abstract The chemical behavior of various oligoenes 2 has been studied. The catalytic hydrogenation of diene 3 yielded monoene 4. Triene 7 was hydrogenated to diene 8, monoene 9 and saturated hydrocarbon 10. Bromine addition to 3 and 7 yielded the dibromides 17 and 18, respectively, i.e., the ...

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Impact of Enhanced Ozone Deposition and Halogen Chemistry on Tropospheric Ozone over the Northern Hemisphere

23-Jul-2015 | Golam Sarwar; Brett Gantt; Donna Schwede; Kristen Foley; Rohit Mathur; Alfonso Saiz-Lopez, Environmental Science & Technology, 2015

Fate of ozone in marine environments has been receiving increased attention due to the tightening of ambient air quality standards. The role of deposition and halogen chemistry is examined through incorporation of an enhanced ozone deposition algorithm and inclusion of halogen chemistry in a ...

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Degradation Products of Benzophenone-3 in Chlorinated Seawater Swimming Pools

23-Jul-2015 | Tarek Manasfi; Veronika Storck; Sylvain Ravier; Carine Demelas; Bruno Coulomb; Jean-Luc Boudenne, Environmental Science & Technology, 2015

Oxybenzone (2-hydroxy-4-methoxyphenone, benzophenone-3) is one of the UV filters commonly found in sunscreens. Its presence in swimming pools and its reactivity with chlorine has already been demonstrated but never in seawater swimming pools. In these pools, chlorine added for disinfection ...

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Bromine Bonding Induced Selective Recognition of Different Guests for Hexaphenylbenzene Bromides in the Solid State

22-Jul-2015 | Lianhui Peng, Pengcheng Zhu, Xianggao Meng, Chun Zhang, Chinese Journal of Chemistry, 2015

Abstract With propeller‐like shape, hexaphenylbenzene bromides display different recognition abilities for guest molecules in solid state. HBH can encapsulate CH2Cl2 or Et2O molecules selectively from different solvent systems. For DBH, the recognition pattern is dominated between themselves. ...

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Aspects of crystal engineering arising from packing behavior of functional mono para-substituted trityl compounds

22-Jul-2015 | Ingo Knepper; Wilhelm Seichter; Prof. Dr. Konstantinos Skobridis; Edwin Weber; Vassiliki Theodorou, CrystEngComm, 2015

Four trityl compounds differing both in the functional group (OH, OMe, NH2) at the specific trityl carbon and a para substituent, being bromine or phenyl at one of the phenyl groups, have been prepared and structurally studied by means of single crystal X-ray diffraction. Compared to the ...

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Experimental design as a tool for studying trihalomethanes formation parameters during water chlorination

20-Jul-2015 | Author(s): Larissa Bach, Ellery R. Garbelini, Sandra Stets, Patricio Peralta-Zamora, Alexandre Emmel, Microchemical Journal, 2015

Publication date: November 2015 Source:Microchemical Journal, Volume 123 Author(s): Larissa Bach, Ellery R. Garbelini, Sandra Stets, Patricio Peralta-Zamora, Alexandre Emmel Chlorination systems are widely used to ensure municipal drinking water's safety, providing defense against ...

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Choosing a density functional for static molecular polarizabilities

19-Jul-2015 | Author(s): Taozhe Wu, Yulia N. Kalugina, Ajit J. Thakkar, Chemical Physics Letters, 2015

Publication date: 16 August 2015 Source:Chemical Physics Letters, Volume 635 Author(s): Taozhe Wu, Yulia N. Kalugina, Ajit J. Thakkar Coupled-cluster calculations of static electronic dipole polarizabilities for 145 organic molecules are performed to create a reference data set. The ...

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ChemInform Abstract: Synthesis of 3‐Bromosubstituted Pyrroles via Palladium‐Catalyzed Intermolecular Oxidative Cyclization of Bromoalkynes with N‐Allylamines.

16-Jul-2015 | Jia Zheng, Liangbin Huang, Zun Li, Wanqing Wu, Jianxiao Li, Huanfeng Jiang, ChemInform, 2015

Abstract The retained bromine atom in 3‐bromopyrrole products provides a facile functionalization of pyrroles at the 3‐position.

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Bromination of guaiacol and syringol using ionic liquids to obtain bromides

14-Jul-2015 | Sequeiros Ane, Serrano Luis, Labidi Jalel, Journal of Chemical Technology & Biotechnology, 2015

Background The understanding of the bromination reaction with guaiacol and syringol allows obtaining value added products from the lignin depolimerized oil. Results N‐bromosuccinimide (NBS) and the ionic liquid [Bmim]Br were combined to brominate guaiacol (G) and syringol (S) at room ...

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Determination of Taurine in Human Tear fluid by Capillary Electrophoresis with Indirect Amperometric Detection based on Electrogenerated Bromine

14-Jul-2015 | Fuying Du, Wenfeng Zhao, Shunan Cao, Ying‐Sing Fung, Journal of Separation Science, 2015

A new method for the determination of taurine was developed based on indirect amperometric detection after capillary electrophoresis. A serial dual‐electrode detector comprising an on column Pt film electrode (upstream electrode) and an end column Pt microdisk electrode (downstream electrode) ...

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