Results 51 to 60 of about 8,315 (196)

Ligand-controlled stereodivergent alkenylation of alkynes to access functionalized trans- and cis-1,3-dienes

open access: yesNature Communications, 2023
The stereoselective synthesis of 1,3-dienes represents a challenge in organic synthesis. Here, the authors report a ligand-controlled stereodivergent access to both Z- and E-sulfonyl-1,3-dienes via photoredox and nickel catalysis.
Tianyu Long   +6 more
doaj   +1 more source

Visible-Light Photoredox Catalysis in Water

open access: yesThe Journal of Organic Chemistry, 2022
The use of water in organic synthesis draws attention to its green chemistry features and its unique ability to unveil unconventional reactivities. Herein, literature about the use of water as a reaction medium under visible-light photocatalytic conditions is summarized in order to highlight challenges and opportunities.
Camilla Russo   +3 more
openaire   +4 more sources

N-Arylphenothiazines as strong donors for photoredox catalysis – pushing the frontiers of nucleophilic addition of alcohols to alkenes

open access: yesBeilstein Journal of Organic Chemistry, 2019
A new range of N-phenylphenothiazine derivatives was synthesized as potential photoredox catalysts to broaden the substrate scope for the nucleophilic addition of methanol to styrenes through photoredox catalysis.
Fabienne Speck   +2 more
doaj   +1 more source

Recent Advances in Visible-Light-Mediated Amide Synthesis

open access: yesMolecules, 2022
Visible-light photoredox catalysis has attracted tremendous interest within the synthetic community. As such, the activation mode potentially provides a more sustainable and efficient platform for the activation of organic molecules, enabling the ...
Bin Lu, Wen-Jing Xiao, Jia-Rong Chen
doaj   +1 more source

Advancing Organic Photoredox Catalysis: Mechanistic Insight through Time-Resolved Spectroscopy [PDF]

open access: yes
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

Chemical modification of dehydrated amino acids in natural antimicrobial peptides by photoredox catalysis [PDF]

open access: yes, 2018
Dehydroalanine (Dha) and dehydrobutyrine (Dhb) are remarkably versatile non-canonical amino acids often found in antimicrobial peptides. Here, we present the selective modification of Dha and Dhb in antimicrobial peptides via photocatalytic activation of
de Bruijn, A. Dowine   +5 more
core   +1 more source

Photoredox-Catalyzed Acyl Lactonization of Alkenes with Aldehydes: Synthesis of Acyl Lactones [PDF]

open access: yes, 2022
An acyl lactonization of alkenes with aldehydes under visible-light photoredox catalysis is described. With the protocol, a broad scope of alkenoic acids and aldehydes could be compatible and good functional group tolerance is obtained.
Wei-Hao Rao (1555087)   +8 more
core   +1 more source

Photoredox Catalysis in Organic Chemistry

open access: yesThe Journal of Organic Chemistry, 2016
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

Photoredox-Catalyzed Multicomponent Petasis Reaction with Alkyltrifluoroborates [PDF]

open access: yes, 2019
A redox-neutral alkyl Petasis reaction has been developed that proceeds via photoredox catalysis. A diverse set of primary, secondary, and tertiary alkyltrifluoroborates participate effectively in this reaction through a single-electron transfer ...
Rauful Alam (1286283)   +7 more
core   +1 more source

Two-Photon Excitation Photoredox Catalysis Enabled Atom Transfer Radical Polymerization. [PDF]

open access: yes, 2023
In recent years, metal-free photoredox-catalyzed atom transfer radical polymerization (O-ATRP) has gained wide attention because of its advantages (e.g., no metal contamination and mild reaction conditions).
Hadjichristidis, Nikos   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy