Radical Alkynyltrifluoromethylation of Alkenes Initiated by an Electron Donor–Acceptor Complex

2017 ◽  
Vol 19 (5) ◽  
pp. 1240-1243 ◽  
Author(s):  
Heng Jiang ◽  
Yanyan He ◽  
Yuanzheng Cheng ◽  
Shouyun Yu
Keyword(s):  
Electron Donor ◽  
Acceptor Complex ◽  
Donor Acceptor

Metal-Free Photoinduced Hydroalkylation Cascade Enabled by an Electron-Donor-Acceptor Complex

2020 ◽  
Author(s):  
José Tiago Menezes Correia ◽  
Gustavo Piva da Silva ◽  
Camila Menezes Kisukuri ◽  
Elias André ◽  
Bruno Pires ◽  
...  
Keyword(s):  
Electron Donor ◽  
Functional Group ◽  
Photoexcited Electron ◽  
One Pot ◽  
Quaternary Centers ◽  
Metal Free ◽  
Acceptor Complex ◽  
Catalyst Free ◽  
Donor Acceptor ◽  
Radical Cascade

A metal- and catalyst-free photoinduced radical cascade hydroalkylation of 1,7-enynes has been disclosed. The process is triggered by a SET event involving a photoexcited electron-donor-aceptor complex between NHPI ester and Hantzsch ester, which decomposes to afford a tertiary radical that is readily trapped by the enyne. <a>The method provides an operationally simple, robust and step-economical approach to the construction of diversely functionalized dihydroquinolinones bearing quaternary-centers. A sequential one-pot hydroalkylation-isomerization approach is also allowed giving access to a family of quinolinones. A wide substrate scope and high functional group tolerance was observed in both approaches</a>.

A visible-light-irradiated electron donor-acceptor complex-promoted radical reaction system for the C H perfluoroalkylation of quinolin-4-ols

2019 ◽  
Vol 60 (38) ◽  
pp. 151046 ◽  
Author(s):  
Yunze Li ◽  
Min Rao ◽  
Zhenwei Fan ◽  
Baoyi Nian ◽  
Yaofeng Yuan ◽  
...  
Keyword(s):  
Visible Light ◽  
Electron Donor ◽  
Radical Reaction ◽  
Reaction System ◽  
Acceptor Complex ◽  
Donor Acceptor
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