Asymmetric Brønsted Acid-Catalyzed Friedel-Crafts Reactions of Indoles with Cyclic Imines - Efficient Generation of Nitrogen-Substituted Quaternary Carbon Centers

2011 ◽  
Vol 353 (4) ◽  
pp. 563-568 ◽  
Author(s):  
Magnus Rueping ◽  
Sadiya Raja ◽  
Alberto Núñez
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Quaternary Carbon ◽  
Carbon Centers ◽  
Efficient Generation ◽  
Brönsted Acid ◽  
Acid Catalyzed

Brønsted Acid-Catalyzed Enantioselective Addition of 1,3-Diones to in situ Generated N-Acyl Ketimines

2021 ◽  
Author(s):  
Milon Mohan Sadhu ◽  
Sumit Kumar Ray ◽  
Rajshekhar A. Unhale ◽  
Vinod K. Singh
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Quaternary Carbon ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Enantioselective Addition

A Brønsted acid-catalyzed asymmetric Mannich-type addition of 1,3-diones to cyclic N-acyl ketimines is reported for the synthesis of enantioenriched isoindolinones. Various dicarbonyl-substituted isoindolinones bearing quaternary carbon stereocenter were synthesized with...

Synthetic Scope of Brønsted Acid-Catalyzed Reactions of Carbonyl Compounds and Ethyl Diazoacetate

2021 ◽  
Author(s):  
Mizzanoor Rahaman ◽  
M. Shahnawaz Ali ◽  
Khorshada Jahan ◽  
Damon Hinz ◽  
Jawad Bin Belayet ◽  
...  
Keyword(s):  
Carbonyl Compounds ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Ethyl Diazoacetate ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Catalyzed Reactions

Brønsted Acid-Catalyzed Friedel-Crafts-type Alkylation of Arenes with αAryl Diazoacetates

2021 ◽  
pp. 152751
Author(s):  
Wenming Chen ◽  
Guifang Chen ◽  
Biao Wang ◽  
Wei Wang ◽  
Wei Huang ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Acid Catalyzed
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