Trio Catalysis Merging Enamine, Brønsted Acid, and Metal Lewis Acid Catalysis: Asymmetric Three-Component Aza-Diels-Alder Reaction of Substituted Cinnamaldehydes, Cyclic Ketones, and Arylamines

2015 ◽  
Vol 21 (21) ◽  
pp. 7874-7880 ◽  
Author(s):  
Yongming Deng ◽  
Siddhartha Kumar ◽  
Kraig Wheeler ◽  
Hong Wang
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Alder Reaction ◽  
Diels Alder ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Lewis Acid Catalysis ◽  
Cyclic Ketones ◽  
Diels Alder Reaction ◽  
Brönsted Acid

Complexes containing a Lewis acid and Brønsted acid for the catalytic asymmetric Diels-Alder reaction

1995 ◽  
Vol 6 (6) ◽  
pp. 1301-1306 ◽  
Author(s):  
Varinder K. Aggarwal ◽  
Emma Anderson ◽  
Robert Giles ◽  
Anne Zaparucha
Keyword(s):  
Lewis Acid ◽  
Alder Reaction ◽  
Diels Alder ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Diels Alder Reaction ◽  
Brönsted Acid ◽  
Catalytic Asymmetric

scholarly journals Asymmetric Brønsted acid-catalyzed aza-Diels–Alder reaction of cyclic C-acylimines with cyclopentadiene

2012 ◽  
Vol 8 ◽  
pp. 1819-1824 ◽  
Author(s):  
Magnus Rueping ◽  
Sadiya Raja
Keyword(s):  
Alder Reaction ◽  
Optically Active ◽  
Diels Alder ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Reaction Conditions ◽  
Diels Alder Reaction ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid

A new chiral Brønsted acid-catalyzed aza-Diels–Alder reaction of cyclic C-acylimines with cyclopentadiene has been developed. The reaction provides optically active aza-tetracycles in good yields with high diastereo- and enantioselectivities under mild reaction conditions.

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