Results 51 to 60 of about 3,603 (218)

Acetic Acid-Promoted Photoredox Catalyzed Trifluoromethylation of Aldehyde Hydrazones

open access: yes, 2022
Radical C(sp2)-H trifluoromethylation of aromatic aldehyde hydrazones is achieved in moderate to high yields under oxidative photoredox catalysis conditions, using inexpensive, bench-stable sodium trifluoromethanesulfinate (Langlois reagent), and Rose ...
Reddy, V. Prakash   +2 more
core   +1 more source

Asymmetric Preparation of α-Quaternary Fluorinated β-keto Esters. Review

open access: yesMolecules, 2020
In this review, recent advances over the past decade in the preparation of fluorinated stereogenic quaternary centers on β-keto esters compounds are analyzed.
Albert Granados, Adelina Vallribera
doaj   +1 more source

Mechanochemistry Meets Catalysis: Metal Complexes for Greener Organic Transformations

open access: yesAngewandte Chemie, Volume 138, Issue 29, 13 July 2026.
Mechanochemistry is redefining metal catalysis by controlling catalyst formulation, speciation, and deployment. This Review shows how milling, LAG, RAM, and TSE enable rapid metal‐complex assembly, distinctive catalytic manifolds, and scalable synthesis beyond solution chemistry.
Sourav Behera   +2 more
wiley   +2 more sources

Metal- and Oxidant-Free Photoinduced Aromatic Trifluoromethylation Performed in Aerated Gel Media: Determining the Effects on Yield and Selectivity

open access: yesMolecules, 2018
In this work we have investigated the potential benefits of using supramolecular gel networks as reaction media to carry out air-sensitive metal-free light-induced trifluoromethylation of six-membered (hetero)arenes under aerobic conditions.
Alex Abramov   +3 more
doaj   +1 more source

The C3-H Bond Functionalization of Quinoxalin-2(1H)-Ones With Hypervalent Iodine(III) Reagents

open access: yesFrontiers in Chemistry, 2020
The modification of quinoxalin-2(1H)-ones via direct C-H bond functionalization has begun to receive widespread attention, due to quinoxalin-2(1H)-one derivatives' various biological activities and pharmaceutical properties. This mini review concentrates
Yushi Tan   +4 more
doaj   +1 more source

Machine Learning for Synthetic Organic Chemistry: Methods, Applications, and Best Practices

open access: yesAngewandte Chemie Novit, Volume 2, Issue 3, September 2026.
Artificial intelligence (AI) and machine learning (ML) are increasingly reshaping experimental chemistry. This review maps the challenges of synthetic organic chemistry to modern digital tools that can help address them. While focusing on the practical application of ML tools in real‐world laboratory settings, we outline prerequisites, emerging ...
Niklas Hölter   +3 more
wiley   +1 more source

Photo-driven redox-neutral decarboxylative carbon-hydrogen trifluoromethylation of (hetero)arenes with trifluoroacetic acid

open access: yesNature Communications, 2017
C–H bond functionalization has become an important tool for many organic transformations, however such reactions typically require stoichiometric amounts of external oxidants.
Jin Lin   +5 more
doaj   +1 more source

Activation of SF5CF3 by the N-Heterocyclic Carbene SIMes

open access: yesMolecules, 2023
The greenhouse gas SF5CF3 was photochemically activated with SIMes (1,3-Bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene) to give 1,3-dimesityl-2,2-difluoroimidazolidine (SIMesF2), and 1,3-dimesitylimidazolidine-2-sulfide, as well as the ...
Domenique Herbstritt   +2 more
doaj   +1 more source

Overview of Photochemical Reactions for the Synthesis of Aza and Oxa‐Spirocyclic Compounds Under Visible Light Irradiation

open access: yesChemistry &Biodiversity, Volume 23, Issue 9, September 2026.
This review presents the visible‐light‐mediated photochemical reaction for the synthesis of aza, oxa, and aza–oxa spirocyclic compounds via photoinduced electron transfer (PET), hydrogen atom transfer (HAT), single‐electron transfer (SET), or energy transfer (EnT) pathways.
Annu Bhardwaj   +4 more
wiley   +1 more source

Nucleophilic trifluoromethylation of electron-deficient arenes [PDF]

open access: yes, 2017
A new trifluoromethylation of arenes is presented, which proceeds via a Ru(ii) π–arene complex and is carried out under mild reaction conditions.
Jack A. Pike   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy