Lewis Acid Promoted Reactions of Ethenetricarboxylates with Allenes: Synthesis of Indenes and γ-Lactones via Conjugate Addition/Cyclization Reaction

2010 ◽  
Vol 75 (15) ◽  
pp. 5216-5222 ◽  
Author(s):  
Shoko Yamazaki ◽  
Yuko Yamamoto ◽  
Yugo Fukushima ◽  
Masachika Takebayashi ◽  
Tetsuma Ukai ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Conjugate Addition ◽  
Cyclization Reaction

ChemInform Abstract: Lewis Acid Promoted Reactions of Ethenetricarboxylates with Allenes: Synthesis of Indenes and γ-Lactones via Conjugate Addition/Cyclization Reaction.

ChemInform ◽  
2010 ◽  
Vol 41 (50) ◽  
pp. no-no
Author(s):  
Shoko Yamazaki ◽  
Yuko Yamamoto ◽  
Yugo Fukushima ◽  
Masachika Takebayashi ◽  
Tetsuma Ukai ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Conjugate Addition ◽  
Cyclization Reaction

Dinuclear zinc-catalyzed asymmetric [3+2] cyclization reaction for direct assembly of chiral α-amino-γ-butyrolactones bearing three stereocenters

2021 ◽  
Author(s):  
Wen-Peng Yang ◽  
Shi-Kun Jia ◽  
Tian-Tian Liu ◽  
Yuan-Zhao Hua ◽  
Mincan Wang
Keyword(s):  
Lewis Acid ◽  
Cyclization Reaction ◽  
Activation Model ◽  
Direct Assembly ◽  
Brønsted Base ◽  
Cooperative Activation

An efficient enantioselective [3+2] cyclization reaction of α-hydroxy-1-indanones and alkylidene azlactones has been developed with chiral dinuclear zinc catalysts via a Brønsted base and Lewis acid cooperative activation model. This...

Lewis acid-promoted conjugate addition of functionalised organolithium compounds to electrophilic olefins

Tetrahedron ◽  
2001 ◽  
Vol 57 (27) ◽  
pp. 5799-5805 ◽  
Author(s):  
Miguel Yus ◽  
Isidro M Pastor ◽  
Joaquı́n Gomis
Keyword(s):  
Lewis Acid ◽  
Conjugate Addition ◽  
Organolithium Compounds

Construction of 1-pyrroline skeletons by Lewis acid-mediated conjugate addition of vinyl azides

2016 ◽  
Vol 52 (12) ◽  
pp. 2473-2476 ◽  
Author(s):  
Xu Zhu ◽  
Shunsuke Chiba
Keyword(s):  
Lewis Acid ◽  
Conjugate Addition ◽  
Efficient Construction ◽  
Vinyl Azides

The Lewis acid-mediated conjugate addition of vinyl azides to electron-deficient alkenes led to the efficient construction of 1-pyrroline skeletons.

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