Photoredox-and piezo-catalysed access to complex trifluoromethylated polycyclic structures from ynamides

A Lakhal, M Villeneuve, L Haberkorn… - Organic Chemistry …, 2024 - pubs.rsc.org
Radical cyclization cascades triggered by a trifluoromethyl radical represent a valuable tool
for accessing highly complex and biologically relevant scaffolds. Herein, we introduce a …

Controllable Synthesis of Cyclopenta[b]indolines via Photocatalytic Fluoroalkylative Radical Cyclization Cascade of Ynamides

J Li, Y Zhou, J Luo, H Chen, H Qi, H Zheng… - Organic Letters, 2024 - ACS Publications
A de novo method for direct construction of cyclopenta [b] indolines via a photocatalytic
fluoroalkylative radical cyclization cascade of ynamides has been established, which …

A photoinduced multicomponent intramolecular cyclization/hydroxytrifluoromethylation cascade: facile access to polyfunctionalized 3, 4-dihydroquinazolinones

C Zhang, Y Ding, W Huang, H Zhang, X Yang, Y Shi… - Green …, 2024 - pubs.rsc.org
Multicomponent reactions (MCRs) have demonstrated enormous potential in the direct and
single-step synthesis of chemical entities with structural diversity. However, the …

Amidyl radical-mediated aminodifluoroallylation of alkenes via photoredox catalysis

JL Tu, JW Yang, W Xu, M Su, F Liu - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
Nitrogen-containing heterocycles are prevalent in both natural and synthetic bioactive
molecules. We report herein an unprecedented protocol for the radical …

Photocatalytic intramolecular radical cyclization involved synergistic SET and HAT: synthesis of 3, 3-difluoro-γ-lactams

X Zhuang, X Shi, R Zhu, B Sun, WK Su… - Organic Chemistry …, 2021 - pubs.rsc.org
A mild and metal-free protocol for visible-light induced intramolecular radical cyclization of N-
allyl (propargyl)-2-bromo-2, 2-difluoro-N-arylacetamide has been developed. This strategy …

A concise method for cyclic gem-difluoroacyl scaffolds via visible-light-mediated redox-neutral cascade radical cyclization of alkenes

Z Liu, Y Wei, M Shi - Catalysis Science & Technology, 2022 - pubs.rsc.org
In this paper, a series of diverse alkenes were engaged in radical tandem cyclization
initiated by a CF2 radical precursor via photoredox catalysis, affording various cyclic gem …

Synthesis of polysubstituted azetidines via cascade trifluoromethylation/cyclization of N-allyl ynamides

G Zhou, J Su, T Shang, X Wang, Y Bai… - Organic Chemistry …, 2021 - pubs.rsc.org
Traditional methods for the transformation of N-allyl ynamides rely on the formation of a
ketenimine intermediate or its equivalent, while novel reaction modes remain to be …

Acylmonofluoromethylation of alkenes via dual NHC/photoredox catalysis

G ChitáTsui - Organic Chemistry Frontiers, 2023 - pubs.rsc.org
Monofluoromethylated compounds exhibit unique physicochemical properties with wide
applications in drug discovery. The direct monofluoromethylation of common feedstocks …

Access to cyclic gem-difluoroacyl scaffolds via electrochemical and visible light photocatalytic radical tandem cyclization of heteroaryl chlorodifluoromethyl ketones

C Adouama, R Keyrouz, G Pilet… - Chemical …, 2017 - pubs.rsc.org
Access to cyclic gem -difluoroacyl scaffolds via electrochemical and visible light photocatalytic
radical tandem cyclization of heteroaryl chlorodiflu ... - Chemical Communications (RSC …

Synthesis of quaternary carbon-centered benzoindolizidinones via novel photoredox-catalyzed alkene aminoarylation: facile access to tylophorine and analogues

C Zhang, Y Wang, Y Song, H Gao, Y Sun… - CCS …, 2019 - chinesechemsoc.org
Photoredox-catalyzed aminoarylation and thioamination of unactivated alkenes have been
developed, providing novel synthetic routes to access synthetically challenging quaternary …