Visible light photocatalytic asymmetric synthesis of pyrrolo[1,2-a]indoles via intermolecular [3+2] cycloaddition

2019 ◽  
Vol 55 (75) ◽  
pp. 11303-11306 ◽  
Author(s):  
Antonio Casado-Sánchez ◽  
Pablo Domingo-Legarda ◽  
Silvia Cabrera ◽  
José Alemán
Keyword(s):  
Visible Light ◽  
Asymmetric Synthesis ◽  
Lewis Acid ◽  
Acid Catalysis ◽  
Indole Derivatives ◽  
Lewis Acid Catalysis ◽  
Visible Light Photocatalytic

The asymmetric synthesis of pyrrolo[1,2-a]indoles is developed through a [3+2] cycloaddition between silyl-indole derivatives and α,β-unsaturated N-acyl oxazolidinones by merging photocatalysis and Lewis acid catalysis.

scholarly journals Direct Visible-Light-Excited Asymmetric Lewis Acid Catalysis of Intermolecular [2+2] Photocycloadditions

2017 ◽  
Vol 139 (27) ◽  
pp. 9120-9123 ◽  
Author(s):  
Xiaoqiang Huang ◽  
Taylor R. Quinn ◽  
Klaus Harms ◽  
Richard D. Webster ◽  
Lilu Zhang ◽  
...  
Keyword(s):  
Visible Light ◽  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis

Asymmetric alkylation of remote C(sp3)–H bonds by combining proton-coupled electron transfer with chiral Lewis acid catalysis

2017 ◽  
Vol 53 (64) ◽  
pp. 8964-8967 ◽  
Author(s):  
Wei Yuan ◽  
Zijun Zhou ◽  
Lei Gong ◽  
Eric Meggers
Keyword(s):  
Electron Transfer ◽  
Hydrogen Atom ◽  
Visible Light ◽  
Lewis Acid ◽  
Acid Catalysis ◽  
Hydrogen Atom Transfer ◽  
Lewis Acid Catalysis ◽  
Asymmetric Alkylation ◽  
Proton Coupled Electron Transfer ◽  
Chiral Lewis Acid

The catalytic asymmetric alkylation of the remote, unactivated δ-position of N-alkyl amides was enabled by the combination of visible-light-induced proton-coupled electron transfer, 1,5-hydrogen atom transfer, and chiral Lewis acid catalysis.

Combining Visible-Light-Photoredox and Lewis Acid Catalysis for the Synthesis of Indolizino[1,2-b]quinolin-9(11H)-ones and Irinotecan Precursor

2017 ◽  
Vol 20 (1) ◽  
pp. 80-83 ◽  
Author(s):  
Wuheng Dong ◽  
Yao Yuan ◽  
Bei Hu ◽  
Xiaoshuang Gao ◽  
Huang Gao ◽  
...  
Keyword(s):  
Visible Light ◽  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis
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