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 …

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 …

Intramolecular cascade cyclization via photogenerated N-amidyl radicals toward isoindolin-1-one/3, 4-dihydroisoquinolin-1 (2 H)-one fused oxazinane

YX He, K Hu, Y Ran, ZY Lei, S Geng… - Organic Chemistry …, 2023 - pubs.rsc.org
Based on the importance of the two classes of nitrogen-containing heterocyclic structures,
isoindolinones and isoquinolinones, herein, through intramolecular cascade cyclization via …

Synthesis of 3-Acylindoles by Visible-Light Induced Intramolecular Oxidative Cyclization of o-Alkynylated N,N-Dialkylamines

P Zhang, T Xiao, S Xiong, X Dong, L Zhou - Organic letters, 2014 - ACS Publications
A visible-light photoredox synthesis of 3-acylindoles through intramolecular oxidative
cyclization of o-alkynylated N, N-dialkylamines is developed. The reaction proceeds …

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 …

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 …

Controlled Photochemical Synthesis of Substituted Isoquinoline-1,3,4(2H)-triones, 3-Hydroxyisoindolin-1-ones, and Phthalimides via Amidyl Radical Cyclization …

MB Reddy, K Prasanth, R Anandhan - Organic Letters, 2022 - ACS Publications
We report a controlled radical cyclization cascade of isoquinoline-1, 3, 4 (2 H)-triones, 3-
hydroxyisoindolin-1-ones, and phthalimides from o-alkynylated benzamides by metal-free …

Indole alkaloid synthesis facilitated by photoredox catalytic radical cascade reactions

XY Liu, Y Qin - Accounts of chemical research, 2019 - ACS Publications
Conspectus The monoterpene indole alkaloids, containing over 3000 known members and
more than 40 structural types, represent one of the largest natural product families that have …

Electrochemical 5-exo-dig aza-cyclization of 2-alkynylbenzamides toward 3-hydroxyisoindolinone derivatives

Z Shi, N Li, WZ Wang, HK Lu, Y Yuan, Z Li… - Organic & Biomolecular …, 2022 - pubs.rsc.org
Preparation of biologically relevant 3-hydroxyisoindolinones from readily available 2-
alkynylbenzamides is an appealing synthetic approach. However, such kinds of compounds …

Synthesis of O-Heterocycle Spiro-Fused Cyclopentaquinolinones and Cyclopentaindenes through Visible Light-Induced Radical Cyclization Reactions

L Xue, X Song, X Zhang, X Fan - The Journal of Organic …, 2023 - ACS Publications
Presented herein is an effective and sustainable synthesis of O-heterocycle spiro-fused
cyclopentaquinolinone and cyclopentaindene derivatives through light-driven cascade …