Results 21 to 30 of about 64,444 (333)

Synthesis, Analysis, Cholinesterase-Inhibiting Activity and Molecular Modelling Studies of 3-(Dialkylamino)-2-hydroxypropyl 4-[(Alkoxy-carbonyl)amino]benzoates and Their Quaternary Ammonium Salts

Molecules, 2017
Tertiary amines 3-(dialkylamino)-2-hydroxypropyl 4-[(alkoxycarbonyl)amino]benzoates and their quaternary ammonium salts were synthesized. The final step of synthesis of quaternary ammonium salts was carried out by microwave-assisted synthesis.
Tereza Padrtova, Pavlina Marvanova, Klara Odehnalova, Renata Kubinova, Oscar Parravicini, Adriana Garro, Ricardo D. Enriz, Otakar Humpa, Michal Oravec, Petr Mokry   +9 more
doaj   +1 more source

Nickel Coatings Electrodeposited from Watts Type Baths Containing Quaternary Ammonium Sulphate Salts

International Journal of Electrochemical Science, 2017
The paper presents the anti-corrosive properties of nickel coatings, deposited on the surface of the steel AISI 1018 from Watts type baths, containing protic and aprotic quaternary ammonium sulphate salts additives.
Jarosław Wojciechowski, Marek Baraniak, Juliusz Pernak, Grzegorz Lota   +3 more
doaj   +1 more source

Sustainable Triazine-Based Dehydro-Condensation Agents for Amide Synthesis

Molecules, 2021
Conventional methods employed today for the synthesis of amides often lack of economic and environmental sustainability. Triazine-derived quaternary ammonium salts, e.g., 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMTMM(Cl ...
Roberto Sole, Vanessa Gatto, Silvia Conca, Noemi Bardella, Andrea Morandini, Valentina Beghetto   +5 more
doaj   +1 more source

Synthesis and Correlation of Aggregation and Antimicrobial Properties of Homochiral Quaternary Ammonium Bromides Derived from Camphoric Acid

European Pharmaceutical Journal, 2021
A group of homochiral quaternary ammonium salts bearing hydrophobic camphoric acid-derived moiety was synthesized and characterized. The aggregation properties of the prepared compounds were evaluated by surface tension measurements, and the critical ...
Mikláš R., Miklášová N., Bukovský M.   +2 more
doaj   +1 more source

Spectroscopic and Microestructural Evidence for T-2 Toxin Adsorption Mechanism by Natural Bentonite Modified with Organic Cations

Toxins, 2023
Aluminosilicates are adsorbents able to bind mycotoxins, and their chemical modification increases their affinity to adsorb low-polarity mycotoxins.
Fernando Abiram García-García, Eliseo Cristiani-Urbina, Liliana Morales-Barrera, Olga Nelly Rodríguez-Peña, Luis Barbo Hernández-Portilla, Cesar Mateo Flores-Ortíz   +5 more
doaj   +1 more source

Antibacterial activity of gemini quaternary ammonium salts [PDF]

FEMS Microbiology Letters, 2013
A series of gemini quaternary ammonium salts (chlorides and bromides), with various hydrocarbon chain and spacer lengths, were tested. These compounds exhibited antibacterial activity against both Gram-positive and Gram-negative bacteria and were not mutagenic.
Ewa, Obłąk, Agata, Piecuch, Katarzyna, Guz-Regner, Ewa, Dworniczek   +3 more
openaire   +2 more sources

Synthesis and structural studies of a new class of quaternary ammonium salts, which are derivatives of cage adamanzane type aminal 1, 3, 6, 8-tetraazatricyclo[4.3.1.1^3,8]undecane (TATU)

Chemistry Central Journal, 2011
Background Novel mono N-alkyl quaternary ammonium salts (3a-f) were prepared using the Menschutkin reaction from the cage adamanzane type aminal 1,3,6,8-tetraazatricyclo[4.3.1.13,8]undecane (TATU) and alkyl iodides, such as methyl, ethyl, propyl, butyl ...
Dušek Michal, Ríos-Motta Jaime, Sadat-Bernal John, Rivera Augusto, Palatinus Lukáš   +4 more
doaj   +1 more source

Synthesis of Novel Quaternary Ammonium Salts and Their in Vitro Antileishmanial Activity and U-937 Cell Cytotoxicity

Molecules, 2016
This work describes the synthesis of a series of quaternary ammonium salts and the assessment of their in vitro antileishmanial activity and cytotoxicity.
Sandra M. Duque-Benítez, Luz Amalia Ríos-Vásquez, Rogelio Ocampo-Cardona, David L. Cedeño, Marjorie A. Jones, Iván D. Vélez, Sara M. Robledo   +6 more
doaj   +1 more source

Gemini alkyldeoxy-D-glucitolammonium salts as modern surfactants and microbiocides: synthesis, antimicrobial and surface activity, biodegradation. [PDF]

PLoS ONE, 2014
Dimeric quaternary alkylammonium salts possess a favourable surface and antimicrobial activity. In this paper we describe synthesis, spectroscopic analysis, surface and antimicrobial activity as well as biodegradability of polymethylene-α,ω-bis(N,N ...
Bogumił Brycki, Adrianna Szulc
doaj   +1 more source

An outstanding antichlorine and antibacterial membrane with quaternary ammonium salts of alkenes via in situ polymerization for textile wastewater treatment

, 2020
Developing an efficient and stable separation membrane material for textile water treatment is of considerable significance but challenging due to the limitation of chlorination degradation and bacterial fouling.
Chao Liu, Yongqiang Guo, Xinjing Wei, Chao Wang, Muchao Qu, D. Schubert, Chunhua Zhang   +6 more
semanticscholar   +1 more source