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 …

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 …

Sustainable Radical Cascades to Synthesize Difluoroalkylated Pyrrolo[1,2-a]indoles

H Huang, M Yu, X Su, P Guo, J Zhao… - The Journal of Organic …, 2018 - ACS Publications
We disclose herein a photocatalytic difluoroalkylation and cyclization cascade reaction of N-
(but-2-enoyl) indoles with broad substrate scopes in up to 90% isolated yield. This method …

Bromo-or Methoxy-Group-Promoted Umpolung Electron Transfer Enabled, Visible-Light-Mediated Synthesis of 2-Substituted Indole-3-glyoxylates

A Vidyasagar, J Shi, P Kreitmeier, O Reiser - Organic letters, 2018 - ACS Publications
A visible-light-mediated radical tandem cyclization of ortho-isocyano-α-bromo cinnamates to
2-substituted indole-3-glyoxylates is achieved by formation of both C–C/C–S and C–O …

Visible light-induced N-radical 5-exo/6-endo cyclization of alkenyl amides: facile access to isoindolinones/isoquinolinones

ZY Lei, K Hu, YX He, S Geng, LN Chen… - Organic & …, 2022 - pubs.rsc.org
An efficient N-centered radical intramolecular cyclization reaction of alkenyl amides induced
by visible light was described. In this process, an alkenyl amide underwent 5-exo/6-endo …

Trifluoromethyl radical triggered radical cyclization of N-benzoyl ynamides leading to isoindolinones

M Cassé, C Nisole, H Dossmann, Y Gimbert… - Science China …, 2019 - Springer
Under photocatalytic reductive conditions, trifluoromethyl radical addition onto an ynamide
followed by cyclization on a benzoyl moiety produces diverse isoindolinone platforms with …

Radical-Based cis-Selective Annulations of N,N′-Cyclic Azomethine Imines with N-Sulfonyl Cyclopropylamines

J Qiu, W Li, X Li, Y Cao, CX Pan, H Li - Organic Letters, 2023 - ACS Publications
Azomethine imines, broadly known as 1, 3-dipoles, efficiently produce synthetically and
biologically significant dinitrogen-fused heterocycles via predominantly concerted or ionic …

Photoredox Radical Cascade Cyclization of 2‐Alkynylarylnitriles in Visible Light: Direct Access to 3‐Amino‐1‐indenones

S Rajput, D Garg, N Jain - Advanced Synthesis & Catalysis, 2024 - Wiley Online Library
A photoinduced direct synthesis of 3‐amino‐1‐indenones via radical cascade cyclization
strategy is demonstrated. The methodology involves a domino reaction between 2 …

Visible-light-induced intramolecular radical cascade of α-bromo-N-benzyl-alkylamides: A new strategy to synthesize tetracyclic N-fused indolo [2, 1-a] isoquinolin-6 (5 …

X Gao, C Li, Y Yuan, X Xie, Z Zhang - Organic & Biomolecular …, 2020 - pubs.rsc.org
Polycyclic indole scaffolds are ubiquitous in pharmaceuticals and natural products and in
materials science. Here, we present a visible-light-initiated intramolecular aryl migration …

Switchable, Reagent‐Controlled Diastereodivergent Photocatalytic Carbocyclisation of Imine‐Derived α‐Amino Radicals

JAP Maitland, JA Leitch, K Yamazaki… - Angewandte Chemie …, 2021 - Wiley Online Library
A reagent‐controlled stereodivergent carbocyclisation of aryl aldimine‐derived,
photocatalytically generated, α‐amino radicals possessing adjacent conjugated alkenes …