Results 111 to 120 of about 1,561 (166)

Structure-making solvation of ferulic acid across protic and aprotic solvents: viscosity experiments, simulations, and implications for antioxidant function

Solvent structure-making is an important feature of molecular organization in liquids as it shapes thermodynamic, dynamic and reactive properties. In this paper, we combine experimental and computational approaches to elucidate the structure-making ...
Politeo, Olivera, Vraneš, Milan, Tomaš, Renato, Požar, Martina, Herenda, Safija, Guettari, Moez   +5 more
core   +1 more source

The Electrocatalytic Cleavage of Carbon-Halide Bonds on Ag, Au and Cu electrodes : from aprotic and protic traditional solvents to ionic liquids

, 2019
In the last years we have showed in detail how the electrocatalytic cleavage of carbon-halide bonds is modulated by (a) the stepwise or concerted nature of the DET mechanism, (as a function of the electrode surface, of the nature of the halogen atom, and
A. Gennaro, C. Durante, P. R. Mussini, S. Arnaboldi, A. A. Isse   +4 more
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Michael–type reactions of β-nitrostyrenes with piperidine: effect of solvents on reactivity and reaction mechanism [PDF]

, 2014
Present report deals with the effect of solvent on the kinetics and mechanism of Michael-type reaction of ƒÒ-nitrostyrene with piperidine. Three different types of solvents are used for the study namely, nonpolar (chloroform, toluene, hexane), dipolar ...
Sahu, Tushar Kanta, Meher, Sameer Kumar
core  

Solid–liquid equilibrium of γ-sorbitol in polar protic/aprotic organic solvents : Solubility determination, thermodynamic analysis and molecular dynamics assisted insights on prominent interactions

Despite being of paramount importance for developing the biorefinery concept and being a highly versatile building block to synthesize a plethora of biobased molecules, experimental data on the solubility of sorbitol in pure organic solvents and heat ...
Svärd, Michael,, Iborra, Montserrat,, Tejero, Javier,, Ramírez, Eliana,, Soto, Rodrigo,   +4 more
core   +1 more source

An efficient synthesis of tertiary amines from nitriles in aprotic solvents

, 2012
Tertiary amines are utilized extensively as non-nucleophilic proton scavengers for a number of organic transformations. Herein we report the efficient syntheses of tertiary alkyl amines from their corresponding alkyl nitriles in the presence of a ...
Byers, Philip, Yehl, Jenna, Kowalsick, Amanda, Haaf, Michael P., Shares, Jonathan   +4 more
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Proton solvation in protic and aprotic solvents

Journal of Computational Chemistry, 2016
Protonation pattern strongly affects the properties of molecular systems. To determine protonation equilibria, proton solvation free energy, which is a central quantity in solution chemistry, needs to be known. In this study, proton affinities (PAs), electrostatic energies of solvation, and pKA values were computed in protic and aprotic solvents.
Ernst-Walter Knapp
exaly   +3 more sources

Photochemistry of 5-aminoquinoline in protic and aprotic solvents

Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2011
Photophysical properties of 5-aminoquinoline (5AQ) have been investigated in various non-polar and polar (protic and aprotic) solvents using steady state and time resolved fluorescence. In aprotic solvents, the spectral maxima depend on the polarity. However, in protic solvents both the fluorescence intensity as well decay time show decrease depending ...
Hirdyesh Mishra, Sanjay Pant
exaly   +3 more sources

Phosphoryl transfer from phosphomonoesters in aprotic and protic solvents

Pure and Applied Chemistry, 1980
Abstract
F. Ramirez, J. F. Marecek
exaly   +2 more sources

Cellulose Swelling by Aprotic and Protic Solvents: What are the Similarities and Differences?

Macromolecular Chemistry and Physics, 2008
AbstractThe swelling of microcrystalline, native and mercerized cotton and eucalyptus celluloses by 16 aprotic solvents was investigated. The number of moles of solvent/anhydroglucose unit, nSw, correlates well with solvent molar volume, basicity and dipolarity/polarizability.
Ludmila C. Fidale, Naiara Ruiz, Thomas Heinze, Omar A. El Seoud   +3 more
openaire   +2 more sources

Photooxidation of Co-thiolato complexes in protic and aprotic solvents

Chemical Communications, 2006
Protic solvents decrease the susceptibility of the thiolate ligand in Co(III) thiolato complexes toward attack by singlet oxygen, but greatly increase the conversion of the peroxidic intermediate to the sulfenato product.
Matthias Selke
exaly   +3 more sources