Zinc-Mediated Asymmetric Additions of Dialkylphosphine Oxides to α,β-Unsaturated Ketones andN-Sulfinylimines

2010 ◽  
Vol 75 (20) ◽  
pp. 6756-6763 ◽  
Author(s):  
Depeng Zhao ◽  
Lijuan Mao ◽  
Dongxu Yang ◽  
Rui Wang
Keyword(s):  
Unsaturated Ketones ◽  
Asymmetric Additions

Asymmetric synthesis of warfarin and its analogs catalyzed by C2-symmetric squaramide-based primary diamines

2018 ◽  
Vol 16 (35) ◽  
pp. 6423-6429 ◽  
Author(s):  
Sergei V. Kochetkov ◽  
Alexander S. Kucherenko ◽  
Sergei G. Zlotin
Keyword(s):  
Asymmetric Synthesis ◽  
Unsaturated Ketones ◽  
Asymmetric Additions

Novel C2-symmetric N,N′-bis(2-amino-1,2-diphenylethyl)squaramides with 1,2-di(pyridin-2-yl)ethane and 1,2-diphenylethane spacer groups were designed and applied as organocatalysts in asymmetric additions of 4-hydroxycoumarin and 4-hydroxy-6-methyl-2H-pyran-2-one to α,β-unsaturated ketones.

1,4-Reductions of α,β-Unsaturated Ketones and Aldehydes via in situ Generated Hydridocuprates

Synlett ◽  
1989 ◽  
Vol 1989 (01) ◽  
pp. 64-66 ◽  
Author(s):  
Bruce H. Lipshutz ◽  
Christopher S. Ung ◽  
Saumitra Sengupta
Keyword(s):  
Unsaturated Ketones

Divergent Functionalization of α,β-Enones: Catalyst-free Access to β-Azido Ketones and β-Amino α-Diazo Ketones

2021 ◽  
Author(s):  
Youshao Tu ◽  
honglin Dong ◽  
Huamin Wang ◽  
Yuhui Ao ◽  
Yu Liu
Keyword(s):  
Carbonyl Compounds ◽  
Practical Method ◽  
Free Access ◽  
Unsaturated Ketones ◽  
Catalyst Free

A simple and practical method for the azidation of β-fluoroalkyl α,β-unsaturated ketones to access a wide variety of fluorinated nitrogenous carbonyl compounds is developed. Different from existing precedents, neither metallic...

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