Results 181 to 190 of about 482,822 (233)
Some of the next articles are maybe not open access.

Enantioselective palladium photoredox catalysis.

Chemical Communications
The merger of visible light and transition metal catalysis, particularly palladium catalysis, has unlocked new opportunities and challenges in asymmetric synthesis. This review highlights recent advances in enantioselective palladium photoredox-catalyzed
Sheng-Biao Tang   +3 more
semanticscholar   +3 more sources

Organic Photoredox Catalysis.

Chemical Reviews, 2016
In this review, we highlight the use of organic photoredox catalysts in a myriad of synthetic transformations with a range of applications. This overview is arranged by catalyst class where the photophysics and electrochemical characteristics of each is discussed to underscore the differences and advantages to each type of single electron redox agent ...
N. Romero, David A. Nicewicz
semanticscholar   +3 more sources

Low-energy photoredox catalysis

Nature Reviews Chemistry
With the advent of photoredox catalysis, new synthetic paradigms have been established with many novel transformations being achieved. Nevertheless, modern photoredox chemistry has several drawbacks, namely, deficiencies in reaction efficiency and scalability.
David C. Cabanero, T. Rovis
semanticscholar   +3 more sources

Visible-Light Photoredox Catalysis in Flow [PDF]

open access: yesAngewandte Chemie - International Edition, 2012
Photoredox catalysts have recently been utilized as powerful tools for synthetic chemists to exploit the energy gained by the absorption of low-energy light within the visible spectrum to initiate a variety of organic transformations.[1] The development of methods based on the single electron transfer properties of photoredox catalysts, particularly in
Corey R J Stephenson   +2 more
exaly   +5 more sources

Merging Catalysis in Single Electron Steps With Photoredox Catalysis—Efficient and Sustainable Radical Chemistry

open access: yesACS Catalysis, 2019
We describe a combination of catalysts that allows the coupling of titanocene­(III) catalysis with photoredox catalysis. Oxidation of radical intermediates by a photoredox catalyst opens novel catalytic mechanisms for reductive epoxide ring opening and ...
Zhenhua Zhang   +2 more
exaly   +2 more sources

Illuminating Photoredox Catalysis

Trends in Chemistry, 2019
Over the past decade, photoredox catalysis has risen to the forefront of synthetic organic chemistry as an indispensable tool for selective small-molecule activation and chemical-bond formation. This cutting-edge platform allows photosensitizers to convert visible light into chemical energy prompting generation of reactive radical intermediates.
Rory C, McAtee   +2 more
openaire   +2 more sources

Enantioselective C(sp3)-C(sp3) Reductive Cross-Electrophile Coupling of Unactivated Alkyl Halides with α-Chloroboronates via Dual Nickel/Photoredox Catalysis.

Journal of the American Chemical Society, 2023
Substantial advances in enantioconvergent C(sp3)-C(sp3) bond formations have been made with nickel-catalyzed cross-coupling of racemic alkyl electrophiles with organometallic reagents or nickel-hydride-catalyzed hydrocarbonation of alkenes.
Jun Zhou   +4 more
semanticscholar   +1 more source

Cooperative photoredox catalysis

Chemical Society Reviews, 2016
Cooperative photoredox catalysis bridges visible-light photoredox catalysis with other types of catalysis like transition-metal catalysis, biocatalysis or electrocatalysis for establishing demanding organic transformations.
Xianjun, Lang   +2 more
openaire   +2 more sources

Overcoming the Oxygen Dilemma in Photoredox Catalysis: Near-Infrared (NIR) Light-Triggered Peroxynitrite Generation for Antibacterial Applications.

Angewandte Chemie, 2023
Peroxynitrite anion (ONOO-) is closely associated with many diseases and the development of ONOO- donors provides a feasible means to understand its pathophysiological functions.
Zhiqiang Shen   +6 more
semanticscholar   +1 more source

Syntheses of functionalized benzocoumarins by photoredox catalysis

Organic & Biomolecular Chemistry, 2023
We report a new method for the synthesis of functionalized benzocoumarins through the strategy of activation of multiple C–H bonds on 2-aryl toluenes under visible-light-enabled photoredox conditions.
Qihong Lai   +7 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy