Visible light mediated azomethine ylide formation—photoredox catalyzed [3+ 2] cycloadditions

M Rueping, D Leonori, T Poisson - Chemical Communications, 2011 - pubs.rsc.org
Visible light mediated azomethine ylide formation—photoredox catalyzed [3+2] cycloadditions -
Chemical Communications (RSC Publishing) DOI:10.1039/C1CC13660G Royal Society of …

[HTML][HTML] Visible light mediated intermolecular [3+ 2] annulation of cyclopropylanilines with alkynes

TH Nguyen, S Maity, N Zheng - Beilstein Journal of Organic …, 2014 - beilstein-journals.org
Abstract Intermolecular [3+ 2] annulation of cyclopropylanilines with alkynes is realized
using visible light photoredox catalysis, yielding a variety of cyclic allylic amines in fair to …

Visible-light photoredox-catalyzed synthesis of nitrones: unexpected rate acceleration by water in the synthesis of isoxazolidines

H Hou, S Zhu, F Pan, M Rueping - Organic letters, 2014 - ACS Publications
A new oxidative [3+ 2] cycloaddition of N-substituted hydroxylamines with alkenes was
established under visible light photoredox catalysis. This novel protocol provides a rapid …

Synthesis of Bicyclic N-Heterocycles via Photoredox Cycloaddition of Imino-Alkynes and Imino-Alkenes

H Oh, B Ryou, J Park, M Kim, JH Choi, CM Park - ACS Catalysis, 2021 - ACS Publications
Cycloaddition reactions offer great advantages regarding atom and step economy for the
construction of various carbocycles and heterocycles. While the recent development based …

Visible-light-promoted [2+ 2+ 2] cyclization of alkynes with nitriles to pyridines using pyrylium salts as photoredox catalysts

K Wang, LG Meng, L Wang - Organic letters, 2017 - ACS Publications
A highly regioselective [2+ 2+ 2] cyclization of aromatic alkynes with nitriles is developed for
the preparation of 2, 3, 6-trisubstituted pyridines under visible-light irradiation using a …

Stereoselective Synthesis of Cyclohepta[b]indoles by Visible‐Light‐Induced [2+2]‐Cycloaddition/retro‐Mannich‐type Reactions

XP Mu, YH Li, N Zheng, JY Long, SJ Chen… - Angewandte …, 2021 - Wiley Online Library
A novel method for the concise synthesis of cyclohepta [b] indoles in high yields was
developed. The method involves a visible‐light‐induced, photocatalyzed [2+ 2] …

Synthesis of Ester-Substituted Indolo[2,1-a]isoquinolines via Photocatalyzed Alkoxycarbonylation/Cyclization Reactions

JQ Chen, X Tu, B Qin, S Huang, J Zhang, J Wu - Organic Letters, 2022 - ACS Publications
A direct alkoxycarbonylation/cyclization reaction is accomplished under visible light-induced
photoredox catalysis. With this approach, a variety of ester-substituted indolo [2, 1-a] …

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 …

Photocatalytic Umpolung of N-and O-substituted alkenes for the synthesis of 1, 2-amino alcohols and diols

SGE Amos, S Nicolai, J Waser - Chemical Science, 2020 - pubs.rsc.org
We report an organophotocatalytic 1, 2-oxyalkynylation of ene-carbamates and enol ethers
using Ethynyl BenziodoXolones (EBXs). 1-Alkynyl-1, 2-amino alcohols and diols were …

Visible light-induced intramolecular cyclization reactions of diamines: a new strategy to construct tetrahydroimidazoles

J Xuan, Y Cheng, J An, LQ Lu, XX Zhang… - Chemical …, 2011 - pubs.rsc.org
A new and efficient synthesis of highly substituted tetrahydroimidazole derivatives by means
of visible light-induced intramolecular cyclization reactions has been described. This …