Recent advances in transition metal-mediated trifluoromethylation reactions

D Mandal, S Maji, T Pal, SK Sinha… - Chemical Communications, 2022 - pubs.rsc.org
Fluorine compounds are known for their abundance in more than 20% of pharmaceutical
and agrochemical products mainly due to the enhanced lipophilicity, metabolic stability and …

Evolution and Future of Hetero‐and Hydro‐Trifluoromethylations of Unsaturated C− C Bonds

S Kawamura, P Barrio, S Fustero… - Advanced Synthesis …, 2023 - Wiley Online Library
The difunctionalizative trifluoromethylation of unsaturated C− C bonds is a highly useful and
efficient method for the synthesis of trifluoromethyl compounds with attractive architectures …

Electrochemical oxidative radical cascade reactions for the synthesis of difluoromethylated benzoxazines

X Chen, J Jiang, XJ Huang, WM He - Organic Chemistry Frontiers, 2023 - pubs.rsc.org
Benzoxazines are important structures in pharmaceuticals and functional molecules. We
herein describe an electrochemical oxidative strategy for the synthesis of benzoxazines …

Visible-light-induced oxidant and metal-free dehydrogenative cascade trifluoromethylation and oxidation of 1, 6-enynes with water

S Jana, A Verma, R Kadu, S Kumar - Chemical science, 2017 - pubs.rsc.org
Generally, oxy-trifluoromethylation in olefins is achieved using oxidants and transition metal
catalysts. However, labile olefins remain unexplored due to their incompatibility with harsh …

Electrochemical oxidative radical cascade cyclization of olefinic amides and thiophenols towards the synthesis of sulfurated benzoxazines, oxazolines and …

F Lu, J Xu, H Li, K Wang, D Ouyang, L Sun… - Green …, 2021 - pubs.rsc.org
Heterocycles containing N and O are important structures in pharmaceuticals,
agrochemicals and functional molecules. The synthesis of these compounds usually …

Visible-light-mediated radical oxydifluoromethylation of olefinic amides for the synthesis of CF 2 H-containing heterocycles

W Fu, X Han, M Zhu, C Xu, Z Wang, B Ji… - Chemical …, 2016 - pubs.rsc.org
The visible-light-mediated oxydifluoromethylation of olefinic amides with difluoromethyl
sulfones has been explored. This method allows for an efficient and practical synthesis of a …

Electrochemical oxidative cascade cyclization of olefinic amides and alcohols leading to the synthesis of alkoxylated 4 H-3, 1-benzoxazines and indolines

WJ Wei, L Zhan, CN Jiang, HT Tang, YM Pan… - Green …, 2023 - pubs.rsc.org
Synthesis technologies can be used directly and selectively to construct two different
heterocycles from one substrate. Herein, we introduce a mild and efficient electrochemical …

Metal-free trifluoromethylation of indazoles

P Ghosh, S Mondal, A Hajra - The Journal of Organic Chemistry, 2018 - ACS Publications
A simple and efficient tert-butyl hydroperoxide-mediated direct trifluoromethylation of
indazoles using sodium trifluoromethanesulfinate has been developed under metal-free …

Regioselective C3–H Trifluoromethylation of 2H-Indazole under Transition-Metal-Free Photoredox Catalysis

A Murugan, VN Babu, A Polu… - The Journal of …, 2019 - ACS Publications
Trifluoromethyl-substituted heteroarenes are biologically active compounds and useful
building blocks. In this sequence, we have developed a visible-light-promoted regioselective …

Copper-catalysed ortho-selective C–H bond functionalization of phenols and naphthols with α-aryl-α-diazoesters

B Ma, Z Tang, J Zhang, L Liu - Chemical Communications, 2020 - pubs.rsc.org
Herein, we reported the first copper-catalyzed highly efficient C (sp2)–H functionalization of
unprotected naphthols and phenols with α-aryl-α-diazoesters. In this transformation, CuCl2 …