نتایج جستجو برای: pyridinium ionic liquids

تعداد نتایج: 62867  

Journal: :Physical chemistry chemical physics : PCCP 2016
Daniel J Eyckens Baris Demir Tiffany R Walsh Tom Welton Luke C Henderson

Correction for 'Determination of Kamlet-Taft parameters for selected solvate ionic liquids' by Daniel J. Eyckens et al., Phys. Chem. Chem. Phys., 2016, 18, 13153-13157.

Journal: :Chemical communications 2005
Martin Albrecht Helen Stoeckli-Evans

Pyridinium salts similar to those used as ionic liquid solvents readily undergo palladation in the presence of a base, thus giving palladium-pyridylidene N-heterocyclic carbene complexes that are active catalysts for Suzuki-type cross-coupling reactions.

In recent years, ionic liquids have been used in pharmaceutical processes. Therefore, having a deep insight into the ion association behavior of ionic liquids in the presence of a drug is of particular importance. So, in this work, the molar conductivities of the ionic liquids, 1-alkyl-3-methylimidazolium bromide, [CnMIm]Br (n = 4, 6 and 8) in various concentrations of aspirin (ASA) ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Susan Perkin Mathieu Salanne Paul Madden Ruth Lynden-Bell

2015
Shuang Men Daniel S. Mitchell Kevin R. J. Lovelock Peter Licence

We investigate eight 1-alkylpyridinium-based ionic liquids of the form [Cn Py][A] by using X-ray photoelectron spectroscopy (XPS). The electronic environment of each element of the ionic liquids is analyzed. In particular, a reliable fitting model is developed for the C 1s region that applies to each of the ionic liquids. This model allows the accurate charge correction of binding energies and ...

Journal: :The journal of physical chemistry. B 2014
Andrea Cerda-Monje Rodrigo Ormazábal-Toledo Carlos Cárdenas Patricio Fuentealba Renato Contreras

The origin of catalysis and selectivity induced by room temperature ionic liquids in several organic reactions has putatively been associated with the concept of cation effect (hydrogen bond donor ability of the ionic liquids) or anion effect (hydrogen bond accepting ability of the ionic liquids). We show that there may be cases where this a priori classification may not be correctly assigned. ...

A green method for the synthesis of high-performance diketopyrrolopyrrole pigments using diethyl succinate in the presence of mixture of ionic liquids is reported. Although, alkaline condition is needed in the succinate ester route for synthesis of the pigments, in the present study, the replacement possibility of conventional organic base by mixture of BMIMOH and BMIMBF4 ionic liquids was inve...

Journal: :Physical chemistry chemical physics : PCCP 2011
Natalie Debeljuh Colin J Barrow Nolene Byrne

We have shown that the amyloid fibrilization of Aβ16-22 follows a reverse hofmeister trend in pILs. Fast fibrilization rates of seconds can be achieved.

Journal: :Chemical communications 2015
David Dupont Stijn Raiguel Koen Binnemans

New sulfonic acid functionalized ionic liquids (SAFILs) with bis(trifluoromethylsulfonyl)imide anions were synthesized. These ionic liquids are strong Brønsted acids and can solubilize metal oxides. Water-immiscible SAFILs were used as organic phases in solvent extraction studies.

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