ChemInform Abstract: Tandem Intramolecular Oxa-Michael Addition/Decarboxylation Reaction Catalyzed by Bifunctional Cinchona Alkaloids: Facile Synthesis of Chiral Flavanone Derivatives.

ChemInform ◽  
2011 ◽  
Vol 42 (48) ◽  
pp. no-no
Author(s):  
Hai-Feng Wang ◽  
Hua Xiao ◽  
Xiao-Wei Wang ◽  
Gang Zhao
Keyword(s):  
Michael Addition ◽  
Cinchona Alkaloids ◽  
Facile Synthesis ◽  
Decarboxylation Reaction

Facile Synthesis of 2-Arylindoles through Plancher-Type Rearrangement of 3-Alkyl-3-Arylindolenines

Synlett ◽  
2017 ◽  
Vol 28 (15) ◽  
pp. 1994-1999
Author(s):  
Santhosh Chittimalla ◽  
Chennakesavulu Bandi ◽  
Vinod Gadi ◽  
Siva Gunturu
Keyword(s):  
Michael Addition ◽  
Facile Synthesis ◽  
Type C ◽  
High Yields

3-Alkylindoles on reaction with a cyclohexa-2,4-dien-1-one catalyzed by BF3·OEt2 gave the corresponding 3-alkyl-3-arylindolenines in high yields through a tandem Michael addition/aromatization sequence. In the presence of HCl, these indolenine derivatives underwent a facile Plancher-type C-3 to C-2 aryl rearrangement to deliver the corresponding 2-arylindoles.

Facile Synthesis of Indolines by a Tandem Nitro-reduction Aza Michael Addition Reaction

Heterocycles ◽  
2013 ◽  
Vol 87 (10) ◽  
pp. 2023 ◽  
Author(s):  
Jason Guy Taylor ◽  
Wellington Martins Ventura ◽  
Luiz Guilherme Souza de Assis
Keyword(s):  
Michael Addition ◽  
Addition Reaction ◽  
Michael Addition Reaction ◽  
Facile Synthesis ◽  
Nitro Reduction

ChemInform Abstract: Back to Natural Cinchona Alkaloids: Highly Enantioselective Michael Addition of Malononitrile to Enones.

ChemInform ◽  
2010 ◽  
Vol 41 (18) ◽  
Author(s):  
Alessio Russo ◽  
Alessandra Perfetto ◽  
Alessandra Lattanzi
Keyword(s):  
Michael Addition ◽  
Cinchona Alkaloids

Back to Natural Cinchona Alkaloids: Highly Enantioselective Michael Addition of Malononitrile to Enones

2009 ◽  
Vol 351 (18) ◽  
pp. 3067-3071 ◽  
Author(s):  
Alessio Russo ◽  
Alessandra Perfetto ◽  
Alessandra Lattanzi
Keyword(s):  
Michael Addition ◽  
Cinchona Alkaloids
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