The Carbene Chemistry of N-Sulfonyl Hydrazones: The Past, Present, and Future

X Zhang, P Sivaguru, Y Pan, N Wang… - Chemical …, 2025 - ACS Publications
N-Sulfonyl hydrazones have been extensively used as operationally safe carbene
precursors in modern organic synthesis due to their ready availability, facile …

Visible Light-Induced Reactions of Diazo Compounds and Their Precursors

Z Zhang, V Gevorgyan - Chemical Reviews, 2024 - ACS Publications
In recent years, visible light-induced reactions of diazo compounds have attracted
increasing attention in organic synthesis, leading to improvement of existing reactions, as …

Visible-light-induced [3+ 2] cycloadditions of donor/donor diazo intermediates with alkenes to achieve (spiro)-pyrazolines and pyrazoles

Y Zhang, Y Li, SF Ni, JP Li, D Xia, X Han, J Lin… - Chemical …, 2023 - pubs.rsc.org
To date,[3+ 2] cycloadditions of diazo esters with alkynes or alkenes have been a robust tool
to generate pyrazoles and pyrazolines. However, methods capable of generating …

Synthesis of substituted benzylboronates by light promoted homologation of boronic acids with N-sulfonylhydrazones

Á Valdés-Maqueda, L López, M Plaza, C Valdés - Chemical Science, 2023 - pubs.rsc.org
The synthesis of benzylboronates by photochemical homologation of boronic acids with N-
tosylhydrazones under basic conditions is described. The reaction involves the photolysis of …

A visible-light-promoted metal-free approach for N–H insertions by using donor/donor diazo precursors

Y Zhang, Q Li, P Wang, J Wang, J Lin, D Xia, EJ Hao… - Green …, 2024 - pubs.rsc.org
The metal-catalyzed carbenoid-based N–H insertions of α-stabilized diazo compounds and
relative precursors serve as robust strategies for the formation of C–N bonds. However …

Recent progress in visible light‐driven halogenation: Chlorination, bromination, and iodination

AT Nguyen, H Kang, TG Luu, SE Suh… - Bulletin of the Korean …, 2024 - Wiley Online Library
Halogenation is one of the most important transformations in organic synthesis.
Halogenated compounds are employed in many reactions to prepare useful molecules …

Photoelectrochemical synthesis of 4-halomethyl benzoxazines with a halogen anion source

X Chen, X Li, H Dai, YH Wang, ZL Wu… - Organic Chemistry …, 2024 - pubs.rsc.org
Benzoxazine is an important motif in various pharmaceuticals and functional molecules. We
herein described a visible-light induced photoelectrochemical strategy for the synthesis of 4 …

Light-Driven Intramolecular Cyclopropanation of Alkene-Tethered N-Tosylhydrazones: Synthesis of Fused-Cyclopropane γ-Lactones

P Yamini, A Babbar, D Yadagiri - Organic Letters, 2024 - ACS Publications
Fused-cyclopropane ring-containing γ-lactone compounds are versatile building blocks in
many fields, including the synthesis of biologically active compounds. Here, we report the …

Light-induced arylation (alkylation) of N-sulfonylhydrazones with boronic acids

M Junaid, S Happy, D Yadagiri - Chemical Communications, 2024 - pubs.rsc.org
Di-and triarylmethanes are an important class of compounds in many fields. Here, we report
an efficient light-induced arylation (alkylation) for the synthesis of diarylmethanes, bis …

Photosensitized Reductive Elimination of Gold (III) to Enable Esterification of Aryl Iodides with Carboxylic Acids

J Wu, W Du, L Zhang, G Li, R Yang, Z Xia - JACS Au, 2024 - ACS Publications
Compared to the well-established transition metal-catalyzed cross-coupling reactions, Au
(I)/Au (III)-catalyzed cross-coupling reactions have lagged behind. Despite some …