Results 31 to 40 of about 476,117 (197)

Synthesis, Purification and Characterization of Polymerizable Multifunctional Quaternary Ammonium Compounds

Molecules, 2019
Methacrylate analogs of quaternary ammonium salts functionalized with carboxylic (AMadh1 68.8% yield, AMadh2 53.2% yield) and methoxysilane (AMsil1 94.8% yield, AMsil2 36.0% yield) groups were synthesized via Menschutkin reaction.
Ugochukwu C. Okeke, Chad R. Snyder, Stanislav A. Frukhtbeyn   +2 more
doaj   +1 more source

Synthesis of Quinacridone Derivatives and Their Application as High Performance Levelers in Electroplating

Electrochemistry
A series of quaternary ammonium salts base on quinacridone aromatic ring were synthesized using 2,9-quinacridone as the parent material, and their leveling performance were evaluated using constant-current chronoamperometry addition curves. Additionally,
Peikun ZOU, Chunyu XIANG, Xuyang LI, Nayun ZHOU, Binbin FAN, Limin WANG   +5 more
doaj   +1 more source

Synthesis, characterization, and bioactivity of rosin quaternary ammonium salt derivatives [PDF]

BioResources, 2013
Two series of rosin quaternary ammonium salts (QAS) were synthesized using the same path. The structure of the target products was characterized by HPLC, MS, IR, and 1HNMR, and the bioactivity was determined by filter paper method using Trametes ...
Tao Liang, Yuanyuan Zhang, Shujun Li, Thi Thanh Hien Nguyen   +3 more
doaj  

Catalysis by tertiary chalcogenonium salts

Tetrahedron Chem, 2023
The synthetic utility of onium salts is widely recognized in organic chemistry. Among the wide variety of onium salt compounds, quaternary ammonium and phosphonium salts are known as representative organocatalysts.
Ken Okuno, Ryuichi Nishiyori, Seiji Shirakawa   +2 more
doaj   +1 more source

Synthesis, Structure, Surface and Antimicrobial Properties of New Oligomeric Quaternary Ammonium Salts with Aromatic Spacers

Molecules, 2017
New dimeric, trimeric and tetrameric quaternary ammonium salts were accomplished by reaction of tertiary alkyldimethyl amines with appropriate bromomethylbenzene derivatives.
Bogumił Brycki, Anna Koziróg, Iwona Kowalczyk, Tomasz Pospieszny, Paulina Materna, Jędrzej Marciniak   +5 more
doaj   +1 more source

Metal organic ionic framework based on the ionic metal complex and organic moiety as counter ion: A review

Hybrid Advances, 2022
Metal organic ionic frameworks (MOIFs) or inorgano-organic salts (IOSs) are the product of an ionic interaction between metal ionic complex and opposite organic ion in water, through ion exchange mechanism.
Rakesh Kumar Ameta
doaj   +1 more source

Spirocyclization of keto-ynesulfonamides promoted by quaternary ammonium salts

, 2019
Spirocyclization of keto-ynesulfonamides with quaternary ammonium salts was performed to access aza-spiro compounds. , Spirocyclization of keto-ynesulfonamides with quaternary ammonium salts was performed to access aza-spiro compounds.
Andna, Lucile, Miesch, Laurence, Beltran, Frederic   +2 more
core   +1 more source

Synthesis and anticorrosive activity of tert-amines containing cycloacetal or gem-dichlorocyclopropane fragments and quaternary ammonium salts on their basis

Тонкие химические технологии
Objectives. The work set out to synthesize tertiary amines comprising derivatives of morpholine and piperidine containing a 1,3-dioxolane or gem-dichlorocyclopropane fragment, as well as quaternary ammonium salts based on them.
Yu. G. Borisova, Sh. Sh. Dzhumaev, R. M. Sultanova, G. Z. Raskil’dina, S. S. Zlotskii   +4 more
doaj   +1 more source

New quaternary ammonium salts based decontaminants [PDF]

Romanian Journal of Military Medicine, 2014
Decontamination after terrorist attacks or industrial accidents with biological and/or chemical agents („bio-chem“) must be fast and efficient, in order to reduce the number of victims and to eliminate the consequent damages.
Diana M. Popescu, Viorel Ordeanu, Lucia E. Ionescu, Gabriela V. Dumitrescu, Simona N. Bicheru, Marius Necşulescu   +5 more
doaj  

A Remarkably Efficient Phase-Transfer Catalyzed Amination of α-Bromo-α, β-Unsaturated Ketones in Water

Heteroatom Chemistry, 2021
Tandem conjugate addition–alkylation reaction of various amines with α-bromo-α, β-unsaturated ketones resulted in near-quantitative conversions into the corresponding aziridines when the reaction was carried out in the presence of 10 mol% of phase ...
Alemayehu Mekonnen, Alemu Tesfaye
doaj   +1 more source