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N-Functionalized Pyridinium Salts: A New Chapter for Site-Selective Pyridine C–H Functionalization via Radical-Based Processes under Visible Light Irradiation
Conspectus The radical-mediated C–H functionalization of pyridines has attracted
considerable attention as a powerful tool in synthetic chemistry for the direct …
considerable attention as a powerful tool in synthetic chemistry for the direct …
Acridinium salts and cyanoarenes as powerful photocatalysts: opportunities in organic synthesis
The use of organic photocatalysts has revolutionized the field of photoredox catalysis, as it
allows access to reactivities that were traditionally restricted to transition‐metal …
allows access to reactivities that were traditionally restricted to transition‐metal …
Diboron (4)‐catalyzed remote [3+ 2] cycloaddition of cyclopropanes via dearomative/rearomative radical transmission through pyridine
M Xu, Z Wang, Z Sun, Y Ouyang, Z Ding… - Angewandte …, 2022 - Wiley Online Library
Ring structures such as pyridine, cyclopentane or their combinations are important motifs in
bioactive molecules. In contrast to previous cycloaddition reactions that necessitated a …
bioactive molecules. In contrast to previous cycloaddition reactions that necessitated a …
A π-conjugated covalent organic framework enables interlocked nickel/photoredox catalysis for light-harvesting cross-coupling reactions
Covalent organic frameworks (COFs) are an outstanding platform for heterogeneous
photocatalysis. Herein, we synthesized a pyrene-based two-dimensional CC linked π …
photocatalysis. Herein, we synthesized a pyrene-based two-dimensional CC linked π …
Site-selective direct C–H pyridylation of unactivated alkanes by triplet excited anthraquinone
Site-selective C–H functionalization in chemical feedstocks is a challenging and useful
reaction in the broad field of chemical research. Here, we report a modular photochemical …
reaction in the broad field of chemical research. Here, we report a modular photochemical …
Site‐Selective Pyridine C− H Alkylation with Alcohols and Thiols via Single‐Electron Transfer of Frustrated Lewis Pairs
A unified strategy for the deoxygenative or desulfurative pyridylation of various alcohols and
thiols has been developed through a single‐electron transfer (SET) process of frustrated …
thiols has been developed through a single‐electron transfer (SET) process of frustrated …
Functionalization of pyridinium derivatives with 1, 4-dihydropyridines enabled by photoinduced charge transfer
By exploiting electron donor–acceptor (EDA) complexes between 1, 4-dihydropyridines and
N-amidopyridinium salts under visible light irradiation, we discovered that photoinduced …
N-amidopyridinium salts under visible light irradiation, we discovered that photoinduced …
C4-Selective C–H Borylation of Pyridinium Derivatives Driven by Electron Donor–Acceptor Complexes
The photoinduced C4-selective C–H borylation of pyridines was achieved using electron
donor–acceptor complexes derived from a Lewis base and N-amidopyridinium salts under …
donor–acceptor complexes derived from a Lewis base and N-amidopyridinium salts under …
Dual-role halogen-bonding-assisted EDA-SET/hat photoreaction system with phenol catalyst and aryl iodide: visible-light-driven carbon–carbon bond formation
T Uchikura, K Tsubono, Y Hara… - The Journal of Organic …, 2022 - ACS Publications
Electron donor–acceptor (EDA) complex-mediated single-electron transfer (SET) is a crucial
method for generating carbon radicals. Hydrogen atom transfer (HAT) enables the direct …
method for generating carbon radicals. Hydrogen atom transfer (HAT) enables the direct …
Photochemical C–H silylation and hydroxymethylation of pyridines and related structures: synthetic scope and mechanisms
F Rammal, D Gao, S Boujnah, AA Hussein… - Acs …, 2020 - ACS Publications
Considering the synthetic relevance of heteroarenes in various areas ranging from organic
synthesis to medicinal chemistry, develo** practically simple methodologies to access …
synthesis to medicinal chemistry, develo** practically simple methodologies to access …