Recent advances in stable main group element radicals: preparation and characterization

Z Feng, S Tang, Y Su, X Wang - Chemical Society Reviews, 2022 - pubs.rsc.org
Radical species are significant in modern chemistry. Their unique chemical bonding and
novel physicochemical properties play significant roles not only in fundamental chemistry …

Heteroatom-based diradical (oid) s

A Hinz, J Bresien, F Breher, A Schulz - Chemical Reviews, 2023 - ACS Publications
Heteroatom-centered diradical (oid) s have been in the focus of molecular main group
chemistry for nearly 30 years. During this time, the diradical concept has evolved and the …

Unconventional singlet fission materials

T Ullrich, D Munz, DM Guldi - Chemical Society Reviews, 2021 - pubs.rsc.org
Singlet fission (SF) is a photophysical downconversion pathway, in which a singlet excitation
transforms into two triplet excited states. As such, it constitutes an exciton multiplication …

π-Aromaticity Dominating in a Saturated Ring: Neutral Aromatic Silicon Analogues of Cyclobutane-1, 3-diyls

Y Li, S Dong, J Guo, Y Ding, J Zhang… - Journal of the …, 2023 - ACS Publications
The synthesis, structures, and reactivity of the first neutral 2π-aromatic Si4 rings [LSiSiAr (X)]
2 (3: X= Br; 4: X= Cl; L= PhC (NtBu) 2, Ar= 2, 4, 6-Me3C6H2) were described. Compounds 3 …

Silicon–silicon π single bond

S Kyushin, Y Kurosaki, K Otsuka, H Imai… - Nature …, 2020 - nature.com
A carbon–carbon double bond consists of a σ bond and a π bond. Recently, the concept of a
π single bond, where a π bond is not accompanied by a σ bond, has been proposed in …

Pyramidanes: newcomers to anti-van't Hoff–Le Bel family

VY Lee, OA Gapurenko - Chemical Communications, 2023 - pubs.rsc.org
In this feature article, an overview of the chemistry of pyramidanes, as a novel class of main
group element clusters, is given. A general introduction sets the scene, briefly presenting the …

An isolable tetrasilicon analogue of a planar bicyclo [1.1. 0] butane with π-type single-bonding character

T Nukazawa, T Iwamoto - Journal of the American Chemical …, 2020 - ACS Publications
Isolable compounds that contain π bonding without an underlying σ-bond framework (π-type
single bonding) remain scarce. Herein we report the synthesis and properties of 1, 3 …

A glimpse and perspective of current organosilicon chemistry from the view of hydrosilylation and synthesis of silicon-stereogenic silanes

F Ye, LW Xu - Synlett, 2021 - thieme-connect.com
Silicon and its related organosilicon chemistry has become a mainstay in synthetic chemistry
as they can participate in numerous organic transformations. Due to space limitations, this …

Isolation of Fluorescent 2π-Aromatic 1, 3-Disiladiboretenes

J Fan, L Yue, C Liu, B Rao, G Zhou, A Li… - Journal of the American …, 2023 - ACS Publications
Herein, we reported the isolation of 2π-aromatic disiladiboretenes (L2Si2B2Ph2)[L= ArC (N t
Bu) 2, Ar= Ph (1), Mes (2)], which have been synthesized from the straightforward reduction …

An Isolable Radical Anion Featuring a 2‐Center‐3‐Electron π‐Bond without a Clearly Defined σ‐Bond

Y Mei, X Chen, R Wei, XY Chang, L Tao… - Angewandte …, 2023 - Wiley Online Library
Featuring an extra electron in the π* antibonding orbital, species with a 2‐center‐3‐electron
(2c3e) π bond without an underlying σ bond are scarcely known. Herein, we report the …