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 …

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 …

Overriding Cage Effect in Electron Donor‐Acceptor Photoactivation of Diaryliodonium Reagents: Synthesis of Chalcogenides

P Meher, SK Parida, SK Mahapatra… - … A European Journal, 2024 - Wiley Online Library
In recent times, diaryliodonium reagents (DAIRs) have witnessed a resurgence as arylating
reagents, especially under photoinduced conditions. However, reactions proceeding …

Photoinduced [3+ 2] Cycloaddition of Alkyl–Acceptor Diazoalkanes: Diversity-Oriented Synthesis of Pyrazolines Containing a Quaternary Center

F He, Z Sun, Y Xu, J Yu, W Li, H Miao, C Wu - Organic Letters, 2024 - ACS Publications
We present a new [3+ 2] cycloaddition reaction between alkyl–acceptor diazoalkanes under
visible light irradiation. By employing easily accessible alkyl–acceptor-type diazoalkanes or …

Catalytic π–π Interactions Triggered Photoinduced Synthesis of Biaryls

VJ Roy, J Chakraborty, S Raha Roy - Organic Letters, 2024 - ACS Publications
A highly regioselective photocatalytic method to access a variety of biaryl motifs under metal-
free conditions has been developed. The organophotocatalyst is involved in π–π stacking …

N–H Insertion of Anilines on N-Tosylhydrazones Induced by Visible Light Irradiation

C Faure, S Benmaouche, P Belmont… - The Journal of …, 2024 - ACS Publications
Diazo compounds and their precursors represent an interesting chemical category for
organic synthesis. Particularly, N-tosylhydrazones have attracted attention for their easy …

Catalyst-free photoinduced C(sp3)-C(sp3) bond formation through CH insertions using non-activated alkanes/ethers

Q Li, D Wang, J Wang, L Zhang, X Xu, X Han… - Science China …, 2024 - Springer
Among the various strategies to achieve C (sp3)-C (sp3) bond formation, the direct
application of alkanes and ethers as coupling partners is an emerging and appealing …

A 60-times faster digital-discovery-compatible reaction setup with enhanced safety for chemical applications

AN Lebedev, KS Rodygin, SA Vakhrusheva… - Green …, 2024 - pubs.rsc.org
Modern laboratory practices demand safer, efficient, and more green and sustainable
solutions, especially given the often dangerous nature of the chemicals used. This study …