Insights into single-electron-transfer processes in frustrated Lewis pair chemistry and related donor–acceptor systems in main group chemistry

LJC van der Zee, S Pahar, E Richards… - Chemical …, 2023 - ACS Publications
The activation and utilization of substrates mediated by Frustrated Lewis Pairs (FLPs) was
initially believed to occur solely via a two-electron, cooperative mechanism. More recently …

Diiminium Nucleophile Adducts are Stable and Convenient Strong Lewis Acids

N Bormann, JS Ward, AK Bergmann… - … A European Journal, 2023 - Wiley Online Library
Strong Lewis acids are essential tools for manifold chemical procedures, but their scalable
deployment is limited by their costs and safety concerns. We report a scalable, convenient …

Structural characterization and reactivity of a room-temperature-stable, antiaromatic cyclopentadienyl cation salt

Y Schulte, C Wölper, SM Rupf, M Malischewski… - Nature Chemistry, 2024 - nature.com
The singlet states of cyclopentadienyl (Cp) cations are considered as true prototypes of an
antiaromatic system. Unfortunately, their high intrinsic reactivity inhibited their isolation in the …

Revisiting the reaction of IPr with tritylium: an alternative mechanistic pathway

H Song, E Lee - Chemistry–A European Journal, 2023 - Wiley Online Library
Despite a recent proposal on the mechanism of a single‐electron transfer (SET) process
between tritylium and 2, 6‐bis (diisopropylphenyl) imidazol‐2‐ylidene (IPr) based on …

Formation of Slipped Dimer in 6‐Pentafluorophenyl‐substituted Olympicenyl Radical

Q Xiang, Y Guo, J Hu, Z Li, Z Sun - Chinese Journal of …, 2023 - Wiley Online Library
Comprehensive Summary Introduction of substituents to organic radical is important to
increase the stability and realize its applications as multifunctional materials. In this work …

Introducing AFS ([Al (SO 3 F) 3] x)–a thermally stable, readily available, and catalytically active solid Lewis superacid

J Schlögl, O Goldammer, J Bader, F Emmerling… - Chemical …, 2024 - pubs.rsc.org
Common Lewis superacids often suffer from low thermal stability or complicated synthetic
protocols, requiring multi-step procedures and expensive starting materials. This prevents …

Hydrosilylation of olefins activated on highly Lewis‐acidic calcium cation

M Grochowska-Tatarczak, K Koteras… - … A European Journal, 2024 - Wiley Online Library
The report introduces simple yet highly reactive calcium salt, Ca [Al (ORF) 4] 2 (RF= C (CF3)
3), 1, which effectively catalyses olefin hydrosilylation through an unusual mechanism …

[Xe (OTeF 5)(py F)]+: a strong oxidizing xenonium (ii) teflate cation with N-donor bases

AN Toraman, L Fischer, A Pérez-Bitrián… - Chemical …, 2024 - pubs.rsc.org
Herein we report on the formation of the adduct salts [Xe (OTeF5)(pyF)][Al (OTeF5) 4](pyF=
C5F5N, C5H3F2N) by abstraction of an–OTeF5 group from Xe (OTeF5) 2 with the Lewis …

Valence Tautomerism in Chromium Half-Sandwich Triarylmethylium Dyads

A Rehse, M Linseis, M Azarkh, M Drescher, RF Winter - Inorganics, 2023 - mdpi.com
Valence tautomerism (VT) may occur if a molecule contains two chemically different redox-
active units, which differ only slightly in their intrinsic redox potential. Herein, we present …

[PDF][PDF] Valence Tautomerism in Chromium Half-Sandwich Triarylmethylium Dyads. Inorganics 2023, 11, 448

A Rehse, M Linseis, M Azarkh, M Drescher, RF Winter - 2023 - kops.uni-konstanz.de
Valence tautomerism (VT) may occur if a molecule contains two chemically different
redoxactive units, which differ only slightly in their intrinsic redox potential. Herein, we …