Recent advances in the synthesis and CF functionalization of gem-difluoroalkenes

X Zhang, S Cao - Tetrahedron Letters, 2017 - Elsevier
The gem-difluoroalkenes and related compounds have gained much attention from the
organic synthetic community due to their widespread applications as versatile fluorinated …

Transition-metal-free C–S bond cleavage and transformation of organosulfur compounds

K Yang, Q Li, Z Li, X Sun - Chemical Communications, 2023 - pubs.rsc.org
The activation and transformation of organic chemical bonds is a fundamental scientific
problem. In the past several decades, C–S bond cleavage for the construction of C–C and C …

Radical fluoroalkylation reactions

S Barata-Vallejo, MV Cooke, A Postigo - ACS Catalysis, 2018 - ACS Publications
Recent protocols and reactions for catalytic radical perfluoroalkylations will be described.
The production of perfluoroalkyl radicals (RF= C n F2 n+ 1, n≥ 2), which effect both addition …

gem-Difluoroolefination of Diazo Compounds with TMSCF3 or TMSCF2Br: Transition-Metal-Free Cross-Coupling of Two Carbene Precursors

M Hu, C Ni, L Li, Y Han, J Hu - Journal of the American Chemical …, 2015 - ACS Publications
A new olefination protocol for transition-metal-free cross-coupling of two carbene fragments
arising from two different sources, namely, a nonfluorinated carbene fragment resulting from …

NiH‐Catalyzed Migratory Defluorinative Olefin Cross‐Coupling: Trifluoromethyl‐Substituted Alkenes as Acceptor Olefins to Form gem‐Difluoroalkenes

F Chen, X Xu, Y He, G Huang… - Angewandte Chemie …, 2020 - Wiley Online Library
We report a NiH‐catalyzed migratory defluorinative coupling between two electronically
differentiated olefins. A broad range of unactivated donor olefins can be joined directly to …

Synthesis of gem-Difluoroalkenes via Nickel-Catalyzed Allylic Defluorinative Reductive Cross-Coupling

Y Lan, F Yang, C Wang - ACS Catalysis, 2018 - ACS Publications
In this protocol, we report an allylic defluorinative reductive cross-coupling reaction for C–C
bond formation. Under the Ni-catalysis the challenging C (sp3)–F bond cleavage of …

Iron-catalyzed difluoromethylation of arylzincs with difluoromethyl 2-pyridyl sulfone

W Miao, Y Zhao, C Ni, B Gao, W Zhang… - Journal of the American …, 2018 - ACS Publications
We report the first iron-catalyzed difluoromethylation of arylzincs with difluoromethyl 2-
pyridyl sulfone via selective C–S bond cleavage. This method employs the readily available …

Catalytic asymmetric synthesis of monofluoroalkenes and gem-difluoroalkenes: advances and perspectives

XJ Zhang, YM Cheng, XW Zhao, ZY Cao… - Organic Chemistry …, 2021 - pubs.rsc.org
Driven by the continuous demand for optically active fluoro-containing molecules from the
chemical society, the field of fluorochemistry has emerged as a hot topic recently. While …

Enantioselective copper-catalyzed defluoroalkylation using arylboronate-activated alkyl grignard reagents

M Wang, X Pu, Y Zhao, P Wang, Z Li… - Journal of the …, 2018 - ACS Publications
A copper-catalyzed system has been introduced for the enantioselective defluoroalkylation
of linear 1-(trifluoromethyl) alkenes through C–F activation to synthesize various gem …

Visible-light-promoted redox neutral γ, γ-difluoroallylation of cycloketone oxime ethers with trifluoromethyl alkenes via C–C and C–F bond cleavage

Y He, D Anand, Z Sun, L Zhou - Organic letters, 2019 - ACS Publications
A visible-light-promoted redox neutral γ, γ-difluoroallylation of cycloketone oxime ethers with
trifluoromethyl alkenes through C–C and C–F bond cleavage has been achieved, which …