Lewis superacids: classifications, candidates, and applications

L Greb - Chemistry–A European Journal, 2018 - Wiley Online Library
Lewis acids play a major role in all areas of chemistry. For a long time, toxic, corrosive and
oxidizing SbF5 was considered as the strongest Lewis acid known. Lately, species …

Charge makes a difference: molecular ionic bismuth compounds

J Heine, B Peerless, S Dehnen… - Angewandte Chemie …, 2023 - Wiley Online Library
Key challenges in modern synthetic chemistry include the design of reliable, selective, and
more sustainable synthetic methods, as well as the development of promising candidates for …

Direct conversion of white phosphorus to versatile phosphorus transfer reagents via oxidative onioation

M Donath, K Schwedtmann, T Schneider… - Nature Chemistry, 2022 - nature.com
The main feedstock for the value-added phosphorus chemicals used in industry and
research is white phosphorus (P4), from which the key intermediate for forming P (III) …

Digging the Sigma‐Hole of Organoantimony Lewis Acids by Oxidation

M Yang, D Tofan, CH Chen, KM Jack… - Angewandte Chemie …, 2018 - Wiley Online Library
The development of group 15 Lewis acids is an area of active investigation that has led to
numerous advances in anion sensing and catalysis. While phosphorus has drawn …

Molecular bismuth (III) monocations: structure, bonding, reactivity, and catalysis

C Lichtenberg - Chemical Communications, 2021 - pubs.rsc.org
Cationic bismuth (III) species [BiR2]+ with weakly coordinating counteranions feature two
monoanionic ligands R (such as aryls, amides, alcoholates or halides), a vacant bismuth …

Lewis superacidic heavy pnictaalkene cations: comparative assessment of carbodicarbene-stibenium and carbodicarbene-bismuthenium ions

LS Warring, JE Walley, DA Dickie, W Tiznado… - Inorganic …, 2022 - ACS Publications
We report a comprehensive assessment of Lewis acidity for a series of carbone-stibenium
and-bismuthenium ions using the Gutmann–Beckett (GB) method. These new antimony and …

Carbodicarbene bismaalkene cations: unravelling the complexities of carbene versus carbone in heavy pnictogen chemistry

JE Walley, LS Warring, G Wang, DA Dickie… - Angewandte …, 2021 - Wiley Online Library
We report a combined experimental and theoretical study on the first examples of
carbodicarbene (CDC)‐stabilized bismuth complexes, which feature low‐coordinate cationic …

Molecular Bismuth Cations: Assessment of Soft Lewis Acidity

J Ramler, C Lichtenberg - Chemistry–A European Journal, 2020 - Wiley Online Library
Three‐coordinate cationic bismuth compounds [Bi (diaryl)(EPMe3)][SbF6] have been
isolated and fully characterized (diaryl=[(C6H4) 2C2H2] 2−, E= S, Se). They represent rare …

Neutral and Cationic Bismuth Compounds: Structure, Heteroaromaticity, and Lewis Acidity of Bismepines

J Ramler, K Hofmann, C Lichtenberg - Inorganic Chemistry, 2019 - ACS Publications
Bismepines are 3-fold unsaturated seven-membered rings containing one bismuth atom. A
set of dibenzobismepine complexes have been synthesized and isolated, among them a …

Reversing Lewis acidity from bismuth to antimony

D Sharma, S Balasubramaniam, S Kumar… - Chemical …, 2021 - pubs.rsc.org
Investigations on the boundaries between the neutral and cationic models of (Mesityl) 2EX
(E= Sb, Bi and X= Cl−, OTf−) have facilitated reversing the Lewis acidity from bismuth to …