An organocatalytic domino Michael addition strategy: construction of bispiro[oxindole-thiazolidinone-hexahydroxanthone]s with five contiguous stereocenters

2020 ◽  
Vol 18 (37) ◽  
pp. 7373-7378
Author(s):  
Yong-Xing Song ◽  
Ye Lin ◽  
Li Yan ◽  
Da-Ming Du
Keyword(s):  
Michael Addition ◽  
Stereoselective Synthesis ◽  
Strategy Construction

An efficient squaramide-catalyzed domino Michael addition for the stereoselective synthesis of bispiro[oxindole-thiazolidinone-hexahydroxanthone]s in good to excellent yields with excellent stereoselectivities was developed.

Stereoselective synthesis of the C-11 to C-19 segment of macrolactin 3 via a center inversion followed by Oxa-Michael addition approach

2017 ◽  
Vol 36 (2-3) ◽  
pp. 100-110
Author(s):  
Prashanth Thodupunuri ◽  
Marumamula Hanumaiah ◽  
Shobanbabu Bommagani ◽  
Gangavaram V. M. Sharma
Keyword(s):  
Michael Addition ◽  
Stereoselective Synthesis

ChemInform Abstract: Stereoselective Synthesis of cis-Decalins via Diels-Alder and Double Michael Addition of Substituted Nazarov Reagents.

ChemInform ◽  
2010 ◽  
Vol 24 (5) ◽  
pp. no-no
Author(s):  
J.-F. LAVALLEE ◽  
C. SPINO ◽  
R. RUEL ◽  
K. T. HOGAN ◽  
P. DESLONGCHAMPS
Keyword(s):  
Michael Addition ◽  
Stereoselective Synthesis ◽  
Diels Alder

Stereoselective synthesis of 2,3,4-highly substituted oxetanes by intramolecular C–C bond forming Michael addition

2016 ◽  
Vol 52 (81) ◽  
pp. 12108-12111 ◽  
Author(s):  
Guo-Ming Ho ◽  
Yu-Jang Li
Keyword(s):  
Michael Addition ◽  
Stereoselective Synthesis ◽  
Unsaturated Ester ◽  
Bond Forming

A wide variety of 2,3,3,4-tetrasubstituted oxetanes and 3-α,β-unsaturated ester substituted oxetanes were synthesized starting from vinylogous urethane derivatives.

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