Chiral Thiourea-Catalyzed Asymmetric Michael Addition of β-Oxo Phosphonate to Nitro Olefins: Convenient Synthesis of Optically Active β-Oxo Phosphonates

2011 ◽  
Vol 2011 (19) ◽  
pp. 3507-3513 ◽  
Author(s):  
Kuang Hu ◽  
Tao Liu ◽  
A. D. Lu ◽  
Yunfeng Liu ◽  
Youming Wang ◽  
...  
Keyword(s):  
Michael Addition ◽  
Optically Active ◽  
Asymmetric Michael Addition ◽  
Convenient Synthesis

Organocatalytic regioselective asymmetric Michael addition of azlactones to o-hydroxy chalcone derivatives

2015 ◽  
Vol 13 (20) ◽  
pp. 5698-5709 ◽  
Author(s):  
Shao-Yun Zhang ◽  
Gui-Yu Ruan ◽  
Zhi-Cong Geng ◽  
Nai-Kai Li ◽  
Ming Lv ◽  
...  
Keyword(s):  
Michael Addition ◽  
Optically Active ◽  
Chalcone Derivatives ◽  
Asymmetric Michael Addition

Regio- and enantio-selective Michael addition between azlactones with o-hydroxy chalcone derivatives is reported. Optically active N,O-aminals are obtained in good yields with good to excellent diastereo- and enantio-selectivities.

ChemInform Abstract: Optically Active Bicyclic N-Heterocycles by Organocatalytic Asymmetric Michael Addition/Cyclization Sequences.

ChemInform ◽  
2011 ◽  
Vol 42 (33) ◽  
pp. no-no
Author(s):  
Dennis Worgull ◽  
Gustav Dickmeiss ◽  
Kim L. Jensen ◽  
Patrick T. Franke ◽  
Nicole Holub ◽  
...  
Keyword(s):  
Michael Addition ◽  
Optically Active ◽  
Asymmetric Michael Addition
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