Results 51 to 60 of about 229,704 (190)
Advancing Organic Photoredox Catalysis: Mechanistic Insight through Time-Resolved Spectroscopy [PDF]
The rapid development of light-activated organic photoredox catalysts has led to the proliferation of powerful synthetic chemical strategies with industrial and pharmaceutical applications.
Vanessa, Huxter
core +1 more source
Developing Organometallic Nucleophilic Reagents Via Photoredox Catalysis [PDF]
The addition of organometallic reagents to the carbonyl group represents a key transformation, both in academia and industry. Most of these transformations rely on a mechanism in which accessible and reactive halides are transformed into the ...
Cozzi P. G. +4 more
core +1 more source
Recent developments in photoredox-catalyzed remote ortho and para C–H bond functionalizations
In recent years, the research area of direct C–H bond functionalizations was growing exponentially not only due to the ubiquity of inert C–H bonds in diverse organic compounds, including bioactive natural and nonnatural products, but also due to its ...
Rafia Siddiqui, Rashid Ali
doaj +1 more source
Photoredox Catalysis in Organic Chemistry
In recent years, photoredox catalysis has come to the forefront in organic chemistry as a powerful strategy for the activation of small molecules. In a general sense, these approaches rely on the ability of metal complexes and organic dyes to convert visible light into chemical energy by engaging in single-electron transfer with organic substrates ...
Shaw, Megan H. +2 more
openaire +2 more sources
Visible-light photoredox catalysis with organic polymers
The development of photocatalysts to drive organic reactions is a frontier research topic. Organic polymers can be well tuned in terms of structural and photophysical properties and, therefore, constitute a promising class of photocatalysts in photoredox
Haining Tian +7 more
core +1 more source
Hydrogen atom transfer (HAT) hydrogenation of alkenes usually requires stoichiometric silanes and peroxides. Here, the authors report a silane- and peroxide-free HAT hydrogenation method using a combined cobalt/photoredox catalysis and vitamin C as a ...
Yuji Kamei +6 more
doaj +1 more source
Excited Organic Radicals in Photoredox Catalysis. [PDF]
Many important synthetic-oriented works have proposed excited organic radicals as photoactive species, yet mechanistic studies raised doubts about whether they can truly function as photocatalysts. This skepticism originates from the formation of (photo)redox-active degradation products and the picosecond decay of electronically excited radicals, which
Pfund B, Wenger OS.
europepmc +4 more sources
Decarboxylative aminoxylation of aliphatic carboxylic acid derivatives with (2,2,6,6-tetramethylpiperidin-1-yl)oxyl (TEMPO) in the presence of ruthenium photoredox catalysis is reported.
Zhen Chen (129176) +5 more
core +1 more source
Targeted photoredox catalysis in cancer cells [PDF]
Hypoxic tumours are a major problem for cancer photodynamic therapy. Here, we show that photoredox catalysis can provide an oxygen-independent mechanism of action to combat this problem. We have designed a highly oxidative Ir(III) photocatalyst, [Ir(ttpy)(pq)CI]PF6 ([1]PF6, where 'ttpy' represents 4'-(p-tolyl)-2,2':6',2 ''-terpyridine and 'pq ...
Huang, Huaiyi +12 more
openaire +5 more sources
Sulfonyl fluorides are compounds with potential application in chemical biology and drug discovery, but their preparation can be challenging. Here, the authors present a type of bench-stable fluorosulfonyl radical reagents that enable radical ...
Peng Wang +4 more
doaj +1 more source

