Results 21 to 30 of about 23,632 (231)
Synthesis of novel room temperature chiral ionic liquids. application as reaction media for the heck arylation of aza-endocyclic acrylates. [PDF]
, 2010 New achiral and chiral RTILs were prepared using novel and/or optimized synthetic routes. These new series of imidazolinium, imidazolium, pyridinium and nicotine-derived ionic liquids were fully characterized including differential scanning calorimetry ...
Correia, Carlos R. D. +4 more
core +4 more sources
4,4′,4″-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))tris(1-methylpyridin-1-ium) Iodide
Molbank, 2023 Despite having been known for a long time, quaternary 4,4′-bipyridinium salts, or viologens, are still a highly inspiring class of compounds, thanks to their peculiar redox and charge transfer properties.
Lorenza Romagnoli +2 more
doaj +1 more source
Quaternary Pyridinium Salts: A Review
Journal of Oleo Science, 2008 Cationic surfactants are being used in various applications industrially and domestically for a long time. Pyridinium salts come under the category of cationic surfactants. These are unsaturated heterocyclic compounds having different functional groups present either on pyridine ring or at nitrogen atom.
Parag, Madaan, Vinod K, Tyagi
openaire +3 more sources
Scientific Reports, 2023 Under conventional and silica-supported Muffle furnace methods, water-soluble substituted trimeric triaryl pyridinium cations with various inorganic counter anions are synthesized.
Ramalingam Tamilarasan +11 more
doaj +1 more source
Synthesis, Chemistry and Applications of 5-Hydroxymethyl-furfural And Its Derivatives [PDF]
, 2001 The prospect of exciting research activity in the chemistry of furfural derived compounds such as 5-hydroxymethylfurfural (HMF), 2,5-furandicarbaldehyde and 2,5-furan-dicarboxylic acid prompted the writing of this article.
Lewkowski, Jarosław
core +1 more source
Identification of a 3-Alkylpyridinium Compound from the Red Sea Sponge Amphimedon chloros with In Vitro Inhibitory Activity against the West Nile Virus NS3 Protease. [PDF]
, 2018 Viruses are underrepresented as targets in pharmacological screening efforts, given the difficulties of devising suitable cell-based and biochemical assays.
Duggan, Brendan M +8 more
core +3 more sources
Regioselective Oxidation of 3-Substituted Pyridinium Salts
Molecules, 2000 (1'R)-(+)-3-Hydroxymethyl-1-(1'-phenyl-ethyl)-pyridinium chloride (1), 1-benzyl-3-[1', 3']-dioxolan-2'-yl-pyridinium chloride (2) and (2'S, 4'S, 5'R)-(-)-1-benzyl-3-(3',4'-dimethyl-5'-phenyl-oxazolidin-2'-yl)-pyridinium bromide (3), were transformed by ...
W. F. Reynolds +6 more
doaj +1 more source
ChemistryOpen, 2020 1,2,4‐Oxadiazole[4,5‐a]piridinium salts add alcohols and alkoxides to undergo electrocyclic ring opening affording alkoxybutadienyl 1,2,4‐oxadiazole derivatives.
Dr. Mattia Moiola +2 more
doaj +1 more source
Molecules, 2023 The reaction of pyridine with cyanuric chloride was studied under microwave activation as well as in the presence of silver nitrate. The product of hydrolysis containing two pyridinium rings and chloride anion was isolated.
Valery N. Zakharov +8 more
doaj +1 more source
Direct methane conversion to methanol by ionic liquid-dissolved platinum catalysts [PDF]
, 2006 Ternary systems of inorganic Pt salts and oxides, ionic liquids and concentrated sulfuric acid are effective at catalyzing the direct, selective oxidation of methane to methanol and appear to be more water tolerant than the Catalytica ...
Cheng, Jihong +3 more
core +2 more sources