Organocatalytic Asymmetric Tandem Michael−Henry Reactions: A Highly Stereoselective Synthesis of Multifunctionalized Cyclohexanes with Two Quaternary Stereocenters

2008 ◽  
Vol 10 (12) ◽  
pp. 2437-2440 ◽  
Author(s):  
Bin Tan ◽  
Pei Juan Chua ◽  
Yongxin Li ◽  
Guofu Zhong
Keyword(s):  
Stereoselective Synthesis ◽  
Quaternary Stereocenters

ChemInform Abstract: A New Stereoselective Synthesis of Cyclopropanes Containing Quaternary Stereocenters via Organocatalytic Michael Addition to Vinyl Selenones.

ChemInform ◽  
2010 ◽  
Vol 41 (2) ◽  
Author(s):  
Francesca Marini ◽  
Silvia Sternativo ◽  
Francesca Del Verme ◽  
Lorenzo Testaferri ◽  
Marcello Tiecco
Keyword(s):  
Michael Addition ◽  
Stereoselective Synthesis ◽  
Quaternary Stereocenters

KOH-mediated Stereoselective Alkylation of 3-Bromooxindoles for the Synthesis of 3,3’-disubstituted Oxindoles with two Contiguous all Carbon Quaternary Centre

2021 ◽  
Author(s):  
Manju Devi ◽  
Amol Jadhav ◽  
Ravi Prakash Singh
Keyword(s):  
Stereoselective Synthesis ◽  
Quaternary Stereocenters

The stereoselective synthesis of 3,3′-disubstituted oxindoles having all-carbon quaternary stereocenters has been achieved using KOH as a base with an excellent diastereomeric ratio (98:2). The practicability of the present methodology...

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