Exploration of visible-light photocatalysis in heterocycle synthesis and functionalization: reaction design and beyond

JR Chen, XQ Hu, LQ Lu, WJ **ao - Accounts of chemical research, 2016 - ACS Publications
Conspectus Visible-light photocatalysis has recently received increasing attention from
chemists because of its wide application in organic synthesis and its significance for …

Benzannulation strategies for the synthesis of carbazoles, indolocarbazoles, benzocarbazoles, and carbolines

A Banerjee, S Kundu, A Bhattacharyya… - Organic Chemistry …, 2021 - pubs.rsc.org
Nitrogen-containing π-excessive aromatic heterocycles, in particular, carbazoles,
indolocarbazoles, benzocarbazoles, and carbolines have been considered the fundamental …

Trends in carbazole synthesis–an update (2013–2023)

LAT Allen, P Natho - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
The interest of scientists in the carbazole core has risen steadily over the last 30 years,
particularly over the last decade given its presence in several active pharmaceutical …

Rh (III)-catalyzed [5+ 1] annulation of indole-enaminones with diazo compounds to form highly functionalized carbazoles

Z Jiang, J Zhou, H Zhu, H Liu, Y Zhou - Organic Letters, 2021 - ACS Publications
A novel Rh (III)-catalyzed C–H activation/annulation cascade of indole-enaminones with
diazo compounds was reported to construct diversely functionalized carbazole frameworks …

Recent advances in the synthesis of carbazoles from indoles

T Aggarwal, AK Verma - Organic & Biomolecular Chemistry, 2019 - pubs.rsc.org
Carbazoles are privileged nitrogen heterocycles that are present in a wide range of natural
products, pharmaceuticals, and functional materials. Due to their wide application, various …

Recent Developments in Photo‐Catalyzed/Promoted Synthesis of Indoles and Their Functionalization: Reactions and Mechanisms

L Zheng, K Tao, W Guo - Advanced Synthesis & Catalysis, 2021 - Wiley Online Library
The use of clean and renewable light sources is increasingly common in organic synthesis
due to its safety, practicality and economy. Recently, photoredox catalysis has shown great …

Visible light promoted difunctionalization reactions of alkynes

X Ren, Z Lu - Chinese Journal of Catalysis, 2019 - Elsevier
Visible light promoted difunctionalization of alkynes is reviewed. The difunctionalization
reaction is achieved by different reagents. Radicals such as carbon (sp 3), carbon (sp 2) …

Visible-light photocatalytic bicyclization of β-alkynyl propenones for accessing diastereoenriched syn-fluoren-9-ones

ZJ Shen, HN Shi, WJ Hao, SJ Tu, B Jiang - Chemical Communications, 2018 - pubs.rsc.org
A novel visible-light photocatalytic bicyclization of β-alkynyl propenones with α-
bromocarbonyls for highly diastereoselective synthesis of richly decorated syn-fluoren-9 …

Rhodium-catalyzed C2 and C4 C–H activation/annulation of 3-(1 H-indol-3-yl)-3-oxopropanenitriles with internal alkynes: a facile access to substituted and fused …

T Zhou, B Li, B Wang - Chemical Communications, 2017 - pubs.rsc.org
Rhodium-catalyzed oxidative annulation reactions of 3-(1H-indol-3-yl)-3-oxopropanenitriles
with internal alkynes have been developed. A series of substituted carbazoles and 4H …

Photoredox Catalysis of Aromatic β‐Ketoesters for in Situ Production of Transient and Persistent Radicals for Organic Transformation

XL Yang, JD Guo, H **ao, K Feng… - Angewandte Chemie …, 2020 - Wiley Online Library
Radical formation is the initial step for conventional radical chemistry. Reported herein is a
unified strategy to generate radicals in situ from aromatic β‐ketoesters by using a …