Disclosing Cyclic (Alkyl)(Amino) Carbenes as One‐Electron Reductants: Synthesis of Acyclic (Amino)(Aryl) Carbene‐Based Kekulé Diradicaloids

A Maiti, BJ Elvers, S Bera, F Lindl… - … A European Journal, 2022 - Wiley Online Library
Herein, we disclose cyclic (alkyl)(amino) carbenes (CAACs) to be one‐electron reductants
under the formation of a transient radical cation as indicated by EPR spectroscopy. The …

Reduction of 2-H-substituted pyrrolinium cations: the carbon–carbon single bond in air stable 2, 2′-bipyrrolidines as a two-electron-source

MK Nayak, BJ Elvers, D Mandal, A Das… - Chemical …, 2023 - pubs.rsc.org
Reduction of 2-H-substituted pyrrolinium cations via initially formed secondary radicals
results in either dimerisation or H-abstracted products, while the outcome depends on the N …

Diamidocarbene-Based Thiele and Tschitschibabin Hydrocarbons: Carbonyl Functionalized Kekulé Diradicaloids

A Maiti, S Sobottka, S Chandra, D Jana… - The Journal of …, 2021 - ACS Publications
Herein, we report diamidocarbene (DAC)-based Thiele and Tschitschibabin hydrocarbons,
diradicaloids that contain four carbonyl/amido functional groups. The impact of two different …

Crystalline radical cations of bis-BN-based analogues of Thiele's hydrocarbon

Z Xie, Y Dai, M Bao, Z Feng, W Wang, C Liu… - Chemical …, 2022 - pubs.rsc.org
Two radical cations of bis-BN-based analogues of Thiele's hydrocarbons were facilely
synthesized, fully characterized, and theoretically investigated. One-electron oxidation leads …

Latent Carbene in Diaminomethylation of Benzenes: Mechanism and Practical Application

G Koidan, AN Hurieva, AB Rozhenko… - The Journal of …, 2023 - ACS Publications
Silylformamidine 1 exists in equilibrium with its carbenic form 1′ due to an easy migration
of the silyl group. The reaction of 1 with variously substituted fluorobenzenes proceeds as an …

An Air-Stable Alkene-Derived Organic Radical Cation

R Kumar, S Chandra, MK Nayak, A Singha Hazari… - ACS …, 2021 - ACS Publications
Alkenes are known to undergo oxidation to radical cations and dications. The radical cations
are often highly reactive and not stable under air. Herein, we report the synthesis, isolation …

Activation of O 2 across a C (sp 3)–C (sp 3) bond

R Kumar, S Richter, S Maity, P Sarkar… - Chemical …, 2022 - pubs.rsc.org
The activation of atmospheric molecular dioxygen (O2) is reported, which occurred across a
C (sp3)–C (sp3) bond of a piperazine derivative without any catalyst at ambient conditions …

Bazı kekule hetero diradikaloidler üzerine teorik çalışmalar

E Erkal - 2024 - acikerisim.aksaray.edu.tr
Bu çalışmada anyonik diradikal (oid) yapıları üzerine öncelikli olarak heteroatom etkisi
incelenmiştir. Böylece hangi heteroatomun (E= B veya Al)(E'= N veya P) singlet-triplet ve …

Eight-membered and larger rings

CN Moorefield, GR Newkome - Progress in Heterocyclic Chemistry, 2023 - Elsevier
Throughout 2021, numerous accounts, frontiers, highlights, novel feature articles,
perspectives, tutorials, mini-reviews, as well as full-reviews have appeared, some of which …