Recent progress in visible-light photoredox-catalyzed intermolecular 1, 2-difunctionalization of double bonds via an ATRA-type mechanism

T Courant, G Masson - The Journal of Organic Chemistry, 2016 - ACS Publications
Radical difunctionalizations of alkenes constitute an efficient method for the construction of
complex organic molecules. This synopsis focuses on visible-light catalysis, a recent and …

Recent advances in trifluoromethylation reactions with electrophilic trifluoromethylating reagents

S Barata‐Vallejo, B Lantaño… - Chemistry–A European …, 2014 - Wiley Online Library
Electrophilic trifluoromethylation reactions have been the latest approach to achieve the
fluoroalkylation of compounds with newly‐discovered reagents, such as the Togni's (1 …

Catalyst-free and redox-neutral innate trifluoromethylation and alkylation of aromatics enabled by light

P Liu, W Liu, CJ Li - Journal of the American Chemical Society, 2017 - ACS Publications
The Minisci alkylation is useful to functionalize aromatics via alkyl radical addition. Current
approaches to prepare alkyl radicals follow either oxidative or reductive pathways from …

Trifluoromethylated pyrazoles via sequential (3+ 2)-cycloaddition of fluorinated nitrile imines with chalcones and solvent-dependent deacylative oxidation reactions

A Kowalczyk, G Utecht-Jarzyńska, G Mlostoń… - Organic …, 2022 - ACS Publications
A general approach for preparation of two types of polyfunctionalized 3-
trifluoromethylpyrazoles is reported. The protocol comprises (3+ 2)-cycloaddition of the in …

Fluoroalkyl‐Substituted Diazomethanes and Their Application in a General Synthesis of Pyrazoles and Pyrazolines

L Mertens, KJ Hock, RM Koenigs - Chemistry–A European …, 2016 - Wiley Online Library
A novel continuous‐flow approach for the synthesis of fluoroalkyl‐substituted
diazomethanes has been developed. Utilizing a cheap, self‐made microreactor fluoroalkyl …

Copper-Mediated Domino Cyclization/Trifluoromethylation/Deprotection with TMSCF3: Synthesis of 4-(Trifluoromethyl)pyrazoles

Q Wang, L He, KK Li, GC Tsui - Organic letters, 2017 - ACS Publications
A copper-mediated synthesis of 4-(trifluoromethyl) pyrazoles is described. In one step from
readily accessible α, β-alkynic tosylhydrazones, a remarkable domino sequence of …

Difluorodiazoethane (CF2HCHN2): A New Reagent for the Introduction of the Difluoromethyl Group

PK Mykhailiuk, RM Koenigs - Chemistry–A European Journal, 2019 - Wiley Online Library
Abstract Difluorodiazoethane (CF2HCHN2) is a small reactive diazoalkane. Its synthesis has
been pursued since the 1970s, although only in the past three years have considerable …

Interrupted Click Reaction with CuCF2CF3 Reagent: Synthesis of 5-Pentafluoroethyl 1,2,3-Triazoles

Z Fu, X Yang, GC Tsui - Organic Letters, 2023 - ACS Publications
We herein describe a three-component interrupted click reaction to synthesize novel 5-
pentafluoroethyl 1, 2, 3-triazoles in one step from readily available terminal alkynes and …

β‐Trifluoromethyl α,β‐unsaturated Ketones: Efficient Building Blocks for Diverse Trifluoromethylated Molecules

B Chaudhary, N Kulkarni, N Saiyed… - Advanced Synthesis …, 2020 - Wiley Online Library
The trifluoromethyl (CF3) group is an advantageous structural motif in various biologically
active molecules as well as materials, which is depicted by steadily increasing demand from …

Elemental tellurium mediated synthesis of 2-(trifluoromethyl) oxazoles using trifluoroacetic anhydride as reagent

B Luo, Z Weng - Chemical Communications, 2018 - pubs.rsc.org
An elemental tellurium mediated synthesis of 2-(trifluoromethyl) oxazoles from the reaction
of acetophenone oxime acetates with trifluoroacetic anhydride has been developed. This …