Metal triflimidates: better than metal triflates as catalysts in organic synthesis—the effect of a highly delocalized counteranion

S Antoniotti, V Dalla, E Dunach - … Chemie International Edition, 2010 - Wiley Online Library
The continuously increasing need for novel and selective methods in organic synthesis to
aid drug discovery and to address environmental concerns is a constant source of …

Acidity of strong acids in water and dimethyl sulfoxide

A Trummal, L Lip**, I Kaljurand… - The Journal of …, 2016 - ACS Publications
Careful analysis and comparison of the available acidity data of HCl, HBr, HI, HClO4, and
CF3SO3H in water, dimethyl sulfoxide (DMSO), and gas-phase has been carried out. The …

Strengths of acids in acetonitrile

A Kütt, S Tshepelevitsh, J Saame… - European Journal of …, 2021 - Wiley Online Library
The equilibrium acidity scale (pKa scale) in acetonitrile has been supplemented by
numerous new compounds and new ΔpKa measurements. It now contains altogether 231 …

Acidities of strong neutral Brønsted acids in different media

E Raamat, K Kaupmees, G Ovsjannikov… - Journal of Physical …, 2013 - Wiley Online Library
Acidities of different families of acids are examined in media of different physical and
chemical nature: water, acetonitrile (AN), 1, 2‐dichloroethane (DCE) and the gas phase, with …

Equilibrium acidities of superacids

A Kütt, T Rodima, J Saame, E Raamat… - The Journal of …, 2011 - ACS Publications
In this paper, we report the most comprehensive equilibrium superacidity scale that is
available to date. Contrary to most of the past works, this scale is set up in a medium of …

[PDF][PDF] On the acidity and reactivity of highly effective chiral Brønsted acid catalysts: establishment of an acidity scale

K Kaupmees, N Tolstoluzhsky, S Raja… - Angew. Chem., Int …, 2013 - researchgate.net
13 4-NO2-C6H4-SO2CH (CN) 2-0.82 0.07 6.06 [f] 5.24 5.2 2, 4, 6-(SO2F) 3 Phenol-0.47
0.03 5.53 [f] 5.06 a Calculated difference between the pKa values of the reference acid and …

A unified view to Brønsted acidity scales: do we need solvated protons?

E Paenurk, K Kaupmees, D Himmel, A Kütt… - Chemical …, 2017 - pubs.rsc.org
The most comprehensive solvent acidity scale spanning 28 orders of magnitude of acidity
was measured in the low-polarity solvent 1, 2-dichloroethane (DCE). Its experimental core is …

NMR characterization of ionicity and transport properties for a series of diethylmethylamine based protic ionic liquids

SK Davidowski, F Thompson, W Huang… - The Journal of …, 2016 - ACS Publications
The ionicity and transport properties of a series of diethylmethylamine (DEMA) based protic
ionic liquids (PILs) were characterized, principally utilizing nuclear magnetic resonance …

Metalltriflimidate sind bessere Katalysatoren für die organische Synthese als Metalltriflate–der Effekt eines stark delokalisierten Gegenions

S Antoniotti, V Dalla, E Duñach - Angewandte Chemie, 2010 - Wiley Online Library
Der steigende Bedarf an neuen selektiven und umweltverträglichen Methoden in der
organischen Synthese treibt die Entwicklung effizienterer Reaktionssysteme an. In diesem …

Liquid Structure of and Li+ Ion Solvation in Bis(trifluoromethanesulfonyl)amide Based Ionic Liquids Composed of 1-Ethyl-3-methylimidazolium and N-Methyl-N …

Y Umebayashi, H Hamano, S Seki… - The Journal of …, 2011 - ACS Publications
Liquid structures of the bis (trifluoromethanesulfonyl) amide based ionic liquids composed of
1-ethyl-3-methylimidazolium and N-methyl-N-propylpyrrolidinium ([C2mIm+][TFSA–] and …