Axially Chiral Guanidine as Highly Active and Enantioselective Catalyst for Electrophilic Amination of Unsymmetrically Substituted 1,3-Dicarbonyl Compounds

2006 ◽  
Vol 128 (50) ◽  
pp. 16044-16045 ◽  
Author(s):  
Masahiro Terada ◽  
Megumi Nakano ◽  
Hitoshi Ube
Keyword(s):  
Dicarbonyl Compounds ◽  
Electrophilic Amination ◽  
Highly Active ◽  
Axially Chiral ◽  
Enantioselective Catalyst

Bimetallic Ag–Cu alloy nanoparticles as a highly active catalyst for the enamination of 1,3-dicarbonyl compounds

RSC Advances ◽  
2016 ◽  
Vol 6 (55) ◽  
pp. 49923-49940 ◽  
Author(s):  
Lipeeka Rout ◽  
Aniket Kumar ◽  
Rajendra S. Dhaka ◽  
Priyabrat Dash
Keyword(s):  
Reduction Method ◽  
Active Catalyst ◽  
Alloy Nanoparticles ◽  
Dicarbonyl Compounds ◽  
Highly Active ◽  
Cu Alloy ◽  
Co Reduction

Bimetallic Ag–Cu alloy nanoparticles were obtained via a simple co-reduction method, which exhibited significantly improved activity for the synthesis of β-enaminones and β-enaminoesters compared with their monometallic counterparts.

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