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506 Newest Publications about the topic bromine

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Stereoselective synthesis of 1,2-diamine containing indolines by a conjugate addition nitro-mannich reaction

10-12-2014 | James C. Anderson; Ian B. Campbell; Sebastien Campos; Jonathan Shannon; Derek A. Tocher, Organic & Biomolecular Chemistry, 2014

A conjugate addition nitro-Mannich reaction followed by nitro reduction and intramolecular N-arylation gives diastereomerically pure substituted 1,2-diamine containing indolines. Placing the N-arylation cyclisation handle on the imine precursor derived from an ortho-bromine substituted aromatic ...

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Oxidative halogenation of cisplatin and carboplatin: synthesis, spectroscopy, and crystal and molecular structures of Pt(IV) prodrugs

09-12-2014 | Timothy C. Johnstone; Sarah M. Alexander; Justin J. Wilson; Stephen J. Lippard, Dalton Transactions, 2014

A series of Pt(iv) prodrugs has been obtained by oxidative halogenation of either cisplatin or carboplatin. Iodobenzene dichloride is a general reagent that cleanly provides prodrugs bearing axial chlorides without the need to prepare intervening Pt(iv) intermediates or handle chlorine gas. ...

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The Formation of High‐Order Polybromides in a Room‐Temperature Ionic Liquid: From Monoanions ([Br5]− to [Br11]−) to the Isolation of [PC16H36]2[Br24] as Determined by van der Waals Bonding Radii

08-12-2014 | Max E. Easton, Antony J. Ward, Toby Hudson, Peter Turner, Anthony F. Masters, Thomas Maschmeyer, Chemistry - A European Journal, 2014

Abstract An unprecedented diversity of high‐order bromine catenates (anionic polybromides) was generated in a tetraalkylphosphonium‐based room temperature ionic liquid system. Raman spectroscopy was used to identify polybromide monoanions ranging from [Br5]− to [Br11]− in the bulk solution, ...

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Synthesis and biological evaluation of novel 2,3-disubstituted quinoxaline derivatives as antileishmanial and antitrypanosomal agents

07-12-2014 | Author(s): Juliana Cogo , Vanessa Kaplum , Diego Pereira Sangi , Tânia Ueda-Nakamura , Arlene Gonçalves Corrêa ..., European Journal of Medicinal Chemistry, 2014

Publication date: 27 January 2015 Source:European Journal of Medicinal Chemistry, Volume 90 Author(s): Juliana Cogo , Vanessa Kaplum , Diego Pereira Sangi , Tânia Ueda-Nakamura , Arlene Gonçalves Corrêa , Celso Vataru Nakamura Quinoxalines belong to the N-containing heterocyclic ...

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Synthesis of Bromo‐Substituted 4‐Hydroxy[2.2]paracyclophanes and [2.2]Paracyclophane‐4,7‐quinones as Versatile Chiral Building Blocks

05-12-2014 | Natalia V. Atman (Vorontsova), Roman P. Zhuravsky, Dmitrii Yu. Antonov, Elena V. Sergeeva, Ivan A. Godovikov, Zoya A ..., European Journal of Organic Chemistry, 2014

Abstract Approaches to a number of bromo‐substituted derivatives of 4‐hydroxy[2.2]paracyclophane, including the regioselective mono‐ and dibromination of this phenol, were investigated. The applicability of the regioisomeric monobromo‐substituted phenols for the synthesis of substituted ...

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Formation of Brominated Disinfection Byproducts from Natural Organic Matter Isolates and Model Compounds in a Sulfate Radical-Based Oxidation Process

05-12-2014 | Yuru Wang; Julien Le Roux; Tao Zhang; Jean-Philippe Croué, Environmental Science & Technology, 2014

A sulfate radical-based advanced oxidation process (SR-AOP) has received increasing application interest for the removal of water/wastewater contaminants. However, limited knowledge is available on its side effects. This study investigated the side effects in terms of the production of total ...

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Fourier Transform Microwave and Millimeter-Wave Spectroscopy of Bromoiodomethane, CH2BrI

05-12-2014 | S. Bailleux; D. Duflot; K. Taniguchi; S. Sakai; H. Ozeki; T. Okabayashi; W. C. Bailey, Journal of Physical Chemistry A, 2014

Bromoiodomethane, CH2BrI, is a molecule of natural origin emitted in significant amount into the marine boundary layer. It can easily be decomposed by solar radiation, releasing Br and I atoms in the troposphere, which in turn impacts the atmospheric chemistry. Spectroscopy is an invaluable tool ...

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Structural investigation of 5,10‐A2B2‐type porphyrins: palladium(II) and zinc(II) complexes of 5,10‐dibromo‐15,20‐bis(4‐methylphenyl)porphyrin

26-11-2014 | Mathias O. Senge, Monika Zawadzka, Acta Crystallographica Section C, 2014

The analysis of [5,10‐dibromo‐15,20‐bis(4‐methylphenyl)porphyrinato]palladium(II), [Pd(C34H22Br2N4)], and [5,10‐dibromo‐15,20‐bis(4‐methylphenyl)porphyrinato](methanol)zinc(II), [Zn(C34H22Br2N4)(CH4O)], reveals a small but localized influence of the bromine residues on the conformation of the ...

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Gas Permeability of Hexaphenylbenzene Based Polymers of Intrinsic Microporosity

21-11-2014 | Mariolino Carta; Paola Bernardo; Gabriele Clarizia; Johannes C. Jansen; Neil B. McKeown, Macromolecules, 2014

The synthesis and characterization of a series of novel hexaphenylbenzene (HPB) based polymers of intrinsic microporosity (PIM-HPBs) containing methyl, bromine, and nitrile substituents are reported. The successful formation of thin films from these polymers allowed the evaluation of the ...

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Construction and Properties of Hyperbranched Block Copolymer with Independently Adjustable Heterosubchains

17-11-2014 | Jinxian Yang; Lianwei Li; Zongyang Jing; Xiaodong Ye; Chi Wu, Macromolecules, 2014

A trifunctional initiator with one alkyne, one hydroxyl, and one bromine group was used to construct Br-polystyrene-alkyne-poly(ε-caprolactone)-OH diblock copolymer precursor () with one alkyne group located at the junction between the two blocks. Further bromination and azidation substitution of ...

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