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506 Newest Publications about the topic bromine


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 ...


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. ...


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, ...


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 ...


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 ...


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 ...


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 ...


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 ...


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 ...


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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