Results 81 to 90 of about 23,873 (241)
Polystyrene Nanocomposites Based on Quinolinium and Pyridinium Surfactants [PDF]
, 2006 In this paper pyridine and quinoline-containing salts were employed to modify montmorillonite. TGA analysis shows that the quinolinium modified clay has a higher thermal stability than the pyridinium modified clay.
Chigwada, Grace +2 more
core +1 more source
Chemistry – A European Journal, EarlyView.Why add another catalyst when the product itself holds the power to catalyze its own formation? Autocatalysis in synthetic chemistry enhances reaction efficiency and uncovers novel catalytic behavior across both closed‐shell and open‐shell systems, expanding reactivity and enabling innovative design strategies.
Jaspreet Kaur, Joshua P. Barham
wiley +1 more source
ChemistryOpen, 2019 1,2,4‐Oxadiazole[4,5‐a]piridinium chloride adds nucleophiles to undergo electrocyclic ring opening affording 1,2,4‐oxadiazole dienamino derivatives. These pyridinium salts represent a special class of Zincke salts that are prone to rearrange when treated
Dr. Stefano Carella +2 more
doaj +1 more source
Pyridinium Salts Influence on Lipid Bilayers [PDF]
Biophysical Journal, 2014 In this study, we continue the investigation of different functional groups of molecules having a side long alkyl chain (C14 or C16) [Langmuir; 2011, 27(13), 8257 and J. Lipids, 2013, Article ID 592318]. Thioquinones and similar naphtothioquinones showed strong influence on the structural behavior of POPC and POPE model membranes bilayers. Such effects
Funari, Sergio de Souza +2 more
openaire +2 more sources
High‐Energy‐Density Redox Flow Batteries: Mechanisms, Design Strategies, and Recent Progress
Chemistry – A European Journal, EarlyView.ABSTRACT The inherent intermittency of energy sources such as solar and wind power hinders the transition to renewable energy, necessitating advanced energy storage solutions. Enhancing energy density is crucial for lowering system costs and enabling large‐scale deployment.
Xiaolian Zhao +8 more
wiley +1 more source
Acta Crystallographica Section E, 2014 The title salts, C8H13N4+·Cl−, (I), and C8H13N4+·NO3−, (II), contain linked pyridinium–piperazine heterocycles. In both salts, the piperazine ring adopts a chair conformation with protonation at the N atom not linked to the other ring. In the crystal of (
Thammarse S. Yamuna +4 more
doaj +1 more source
Two-Dimensional, Pyrazine-Based Nonlinear Optical Chromophores with Ruthenium(II) Ammine Electron Donors [PDF]
, 2010 Six new nonlinear optical (NLO) chromophores with pyrazinyl-pyridinium electron acceptors have been synthesized by complexing a known pro-ligand with electron donating {Ru^(II)(NH_3)_5}^(2+) or trans-{Ru^(II)(NH_3)_4(py)}^(2+) (py = pyridine) centers ...
Asselberghs, Inge +5 more
core +1 more source
Post-synthetic derivatization of graphitic carbon nitride with methanesulfonyl chloride: Synthesis, characterization and photocatalysis [PDF]
, 2020 Bulk graphitic carbon nitride (CN) was synthetized by heating of melamine at 550 degrees C, and the exfoliated CN (ExCN) was prepared by heating of CN at 500 degrees C.
Cvejn, Daniel +6 more
core +1 more source
Reaction of Pyridinium Salts with Active Methylene Compounds
YAKUGAKU ZASSHI, 2006 The carbon-carbon bond-forming reactions of 1-methyl-2-methylthiophenylpyridinium iodides with active methylene compounds (such as dimethyl malonate, malononitrile) using NaH as a base gave the 2-substituted methylene-1,2-dihydropyridine derivatives.
Reiko, Fujita +3 more
openaire +3 more sources
Chemistry – A European Journal, EarlyView.Total syntheses of agelamadin F and (±)‐tauroacidin A were achieved by sodium chlorite (NaClO2)‐mediated oxidative C─N coupling. Nine C15–N–amino acid‐substituted oroidin derivatives were successfully prepared to demonstrate the applicability and versatility of this oxidative coupling reaction.
Ryosuke Hirozumi +3 more
wiley +1 more source