scholarly journals Chiral Lewis acid-bonded picolinaldehyde enables enantiodivergent carbonyl catalysis in the Mannich/condensation reaction of glycine ester

2021 ◽  
Author(s):  
Xia Zhong ◽  
Ziwei Zhong ◽  
Zhikun Wu ◽  
Zhen Ye ◽  
Yuxiang Feng ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Mild Condition ◽  
Acid Catalysis ◽  
Condensation Reaction ◽  
Lewis Acid Catalysis ◽  
Mannich Condensation ◽  
Chiral Lewis Acid ◽  
Catalytic Asymmetric

The catalytic asymmetric Mannich/condensation of glycine ester with aldimines was achieved by merging chiral N,N′-dioxide/YbIII complex Lewis acid catalysis/carbonyl catalysis under mild condition.

Chiral Lewis Acid Catalysis in Nitrile Oxide Cycloadditions

2004 ◽  
Vol 126 (17) ◽  
pp. 5366-5367 ◽  
Author(s):  
Mukund P. Sibi ◽  
Kennosuke Itoh ◽  
Craig P. Jasperse
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Nitrile Oxide ◽  
Lewis Acid Catalysis ◽  
Chiral Lewis Acid

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.

Chiral Lewis Acid Catalysis in Radical Reactions:  Enantioselective Conjugate Radical Additions

1996 ◽  
Vol 118 (38) ◽  
pp. 9200-9201 ◽  
Author(s):  
Mukund P. Sibi ◽  
Jianguo Ji ◽  
Jason Hongliu Wu ◽  
Stephan Gürtler ◽  
Ned A. Porter
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Radical Reactions ◽  
Lewis Acid Catalysis ◽  
Chiral Lewis Acid

Chiral Lewis Acid Catalysis in Water

2011 ◽  
Vol 8 (3) ◽  
pp. 345-355 ◽  
Author(s):  
Chikako Ogawa ◽  
Shu Kobayashi
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis ◽  
Chiral Lewis Acid
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