Carbenes and nitrenes: recent developments in fundamental chemistry

C Wentrup - Angewandte Chemie International Edition, 2018 - Wiley Online Library
Carbenes and nitrenes can exist in both singlet and triplet states, sometimes equally stable
and interconverting either thermally or photochemically. Many carbene and nitrene reactions …

Six-membered aromatic polyazides: Synthesis and application

SV Chapyshev - Molecules, 2015 - mdpi.com
Aromatic polyazides are widely used as starting materials in organic synthesis and
photochemical studies, as well as photoresists in microelectronics and as cross-linking …

Direct Determination of a Giant Zero-Field Splitting of 5422 cm–1 in a Triplet Organobismuthinidene by Infrared Electron Paramagnetic Resonance

T Al Said, D Spinnato, K Holldack… - Journal of the …, 2024 - ACS Publications
Stable monocoordinated organobismuthinidenes were only recently isolated and analyzed
toward their chemical and electronic structure. Quantum chemical calculations on t Bu …

Molecular Magnets: The Synthesis and Characterization of High‐Spin Nitrenes

SV Chapyshev, E Mendez‐Vega… - Chemistry–A European …, 2021 - Wiley Online Library
Abstract Among all C‐, N‐, and O‐centered polyradicals, high‐spin nitrenes possess the
largest magnetic anisotropy and are of considerable interest as multi‐level molecular spin …

The EPR spectrum of triplet mesitylphosphinidene: Reassignment and new assignment

AV Akimov, YS Ganushevich, DV Korchagin… - Angewandte …, 2017 - Wiley Online Library
Low‐temperature UV‐photolysis of mesitylphosphiranes under highly anaerobic conditions
leads to the formation of the triplet mesitylphosphinidene (MesP). The recorded X‐band EPR …

Persistent Organic High‐Spin Trinitrenes

E Mendez‐Vega, J Mieres‐Perez… - Angewandte Chemie …, 2019 - Wiley Online Library
The septet ground state trinitrenes 1, 3, 5‐trichloro‐2, 4, 6‐trinitrenobenzene and 1, 3, 5‐
tribromo‐2, 4, 6‐trinitrenobenzene were isolated in inert (Ar, Ne, and Xe) as well as reactive …

Recent advances in chemistry of high-spin nitrenes

SV Chapyshev, DV Korchagin… - Russian Chemical …, 2021 - iopscience.iop.org
Experimental and theoretical studies on aromatic nitrenes bearing from three to six unpaired
electrons and having quartet, quintet, sextet or septet ground spin states, published in the …

The powder X‐band electron paramagnetic resonance spectroscopy of septet pyridyl‐2, 4, 6‐trinitrene

SV Chapyshev, DV Korchagin, P Costa… - Magnetic Resonance …, 2022 - Wiley Online Library
The first X‐band EPR spectrum containing only non‐overlapping signals of septet pyridyl‐2,
4, 6‐trinitrene and triplet pyridylnitrenes is reported. This spectrum was recorded after …

Carbene und Nitrene: Aktuelle Entwicklungen in der Grundlagenchemie

C Wentrup - Angewandte Chemie, 2018 - Wiley Online Library
Carbene und Nitrene können sowohl in Singulett‐als auch Triplett‐Zuständen existieren, die
zuweilen gleich stabil sind und entweder thermisch oder photochemisch interkonvertiert …

Quintet Dinitrenes with Negative Zero-Field Splitting: Effect of Spin–Orbit Coupling on the Sign of Magnetic Anisotropy

DV Korchagin, AV Akimov, A Savitsky… - The Journal of …, 2022 - ACS Publications
We report on W-band EPR and quantum chemical investigation of novel organic
tetraradicals with negative axial zero-field splitting (ZFS) parameter D. These belong to the …