Results 21 to 30 of about 43,175 (307)

Benzylethyldimethylammonium bromide [PDF]

Acta Crystallographica Section E Structure Reports Online, 2008
The crystal structure of the title compound, C(11)H(18)N(+)·Br(-), has been determined as part of an ongoing study of the influence of the alkyl chain length on amphiphilic activity of quaternary ammonium salts. The title salt forms a three-dimensional network of ionic contacts through weak C-H⋯Br hydrogen bonds, with donor-acceptor distances in the ...
Hodorowicz, Maciej, Stadnicka, Katarzyna
openaire   +3 more sources

Efficient syntheses of climate relevant isoprene nitrates and (1R,5S)-(−)-myrtenol nitrate [PDF]

, 2016
Here we report the chemoselective synthesis of several important, climate relevant isoprene nitrates using silver nitrate to mediate a ’halide for nitrate’ substitution. Employing readily available starting materials, reagents and Horner–Wadsworth–Emmons
Bew, Sean, Hiatt-Gipson, Glyn D., Mills, Graham P., Reeves, Claire   +3 more
core   +2 more sources

Electroanalytical Sensing of Bromides Using Radiolytically Synthesized Silver Nanoparticle Electrocatalysts

Journal of Analytical Methods in Chemistry, 2017
Monitoring bromides (Br−) is of crucial importance since bromates, potential human carcinogens, are formed during ozonation of water containing bromides in concentrations >100 μg L−1.
Jadranka Milikić, Ivan Stoševski, Jelena Krstić, Zorica Kačarević-Popović, Šćepan Miljanić, Biljana Šljukić   +5 more
doaj   +1 more source

Palladium-Catalyzed Cascade Approach to 12-(Aryl)indolo[1,2- c ]quin­azolin-6(5 H )-ones [PDF]

, 2018
A straightforward one-pot approach to the synthesis of challenging 12-arylindolo[1,2-c]quinazolin-6(5H)-ones is described. Starting from readily available o-(o-aminophenylethynyl)trifluoroacetanilides, palladium-catalyzed aminoarylation of the triple ...
Arcadi, Antonio, Cacchi, Sandro, Fabrizi, Giancarlo, Ghirga, Francesca, Goggiamani, Antonella, Iazzetti, Antonia, Marinelli, Fabio   +6 more
core   +1 more source

Synthesis and Antimicrobial Activity of Carboxylate Phosphabetaines Derivatives with Alkyl Chains of Various Lengths

Journal of Chemistry, 2013
The purpose of the present study was to investigate the antibacterial activity of fifteen novel nanosized alkyl esters of carboxylate phosphabetaine: β-(carboxyalkyl)ethyltriphenylphosphonium bromides 4–8, β-(carboxyalkyl)-β ...
Irina V. Galkina, Yuliya V. Bakhtiyarova, Marina P. Shulaeva, Oskar K. Pozdeev, Svetlana N. Egorova, Rafael A. Cherkasov, Vladimir I. Galkin   +6 more
doaj   +1 more source

Synthesis of Pyridinium Amphiphiles Used for Transfection and Some Characteristics of Amphiphile/DNA Complex Formation [PDF]

, 2000
Pyridinium amphiphiles have found practical use for the delivery of DNA into cells. Starting from 4-methylpyridine, a general synthesis has been devised for the production of pyridinium amphiphiles which allows variation in both the hydrophobic part and ...
Bosgraaf, Bouke,, Brisson, Alain,, Engberts, Jan B.F.N.,, Haadsma, Peter,, Hoekstra, Dick,, Kroeze, Jessica E.,, Meekel, Arthur A.P.,, Ruiters, Marcel H.J.,, Stuart, Marc C.A.,, Wagenaar, Anno,, Šmisterová, Jarmila,   +10 more
core   +2 more sources

Practical synthesis of aryl-2-methyl-3-butyn-2-ols from aryl bromides via conventional and decarboxylative copper-free Sonogashira coupling reactions

Beilstein Journal of Organic Chemistry, 2014
Two efficient protocols for the palladium-catalyzed synthesis of aryl-2-methyl-3-butyn-2-ols from aryl bromides in the absence of copper were developed.
Andrea Caporale, Stefano Tartaggia, Andrea Castellin, Ottorino De Lucchi   +3 more
doaj   +1 more source

Synthesis of Optically Active Bifunctional Building Blocks through Enantioselective Copper-Catalyzed Allylic Alkylation Using Grignard Reagents [PDF]

, 2007
Enantioselective copper-catalyzed allylic alkylations were performed on allylic bromides with a protected hydroxyl or amine functional group using several Grignard reagents and Taniaphos L1 as a ligand.
Feringa, Ben L.,, López, Fernando,, Minnaard, Adriaan J.,, Zijl, Anthoni W. van,   +3 more
core   +1 more source

Carbene-catalysed reductive coupling of nitrobenzyl bromides and activated ketones or imines via single-electron-transfer process

Nature Communications, 2016
Benzyl bromides can be activated for radical reactions by photocatalytic single electron transfer. Here the authors show thatN-heterocyclic carbenes are also capable of activating this pathway for nitrobenzyl bromides, and that the radical intermediates ...
Bao-Sheng Li, Yuhuang Wang, Rupert S. J. Proctor, Yuexia Zhang, Richard D. Webster, Song Yang, Baoan Song, Yonggui Robin Chi   +7 more
doaj   +1 more source

Paired electrolysis-enabled nickel-catalyzed enantioselective reductive cross-coupling between α-chloroesters and aryl bromides

Nature Communications, 2022
Precise matching of reaction rate and electric potential of electrodes in paired electrolysis is challenging. Here, the authors develop paired-electrolysis-enabled nickel-catalyzed enantioselective reductive cross-coupling of α-chloroesters and aryl ...
Dong Liu, Zhao-Ran Liu, Zhen-Hua Wang, Cong Ma, Simon Herbert, Hartmut Schirok, Tian-Sheng Mei   +6 more
doaj   +1 more source