ChemInform Abstract: Binaphthyl-Modified Quaternary Phosphonium Salts as Chiral Phase-Transfer Catalysts: Asymmetric Amination of β-Keto Esters.

ChemInform ◽  
2009 ◽  
Vol 40 (14) ◽  
Author(s):  
Rongjun He ◽  
Xisheng Wang ◽  
Takuya Hashimoto ◽  
Keiji Maruoka
Keyword(s):  
Phase Transfer ◽  
Phosphonium Salts ◽  
Chiral Phase ◽  
Phase Transfer Catalysts ◽  
Keto Esters ◽  
Chiral Phase Transfer Catalysts ◽  
Quaternary Phosphonium Salts

Organic base-promoted enantioselective electrophilic cyanation of β-keto esters by using chiral phase-transfer catalysts

2015 ◽  
Vol 13 (33) ◽  
pp. 8812-8816 ◽  
Author(s):  
Min Chen ◽  
Zhi-Tang Huang ◽  
Qi-Yu Zheng
Keyword(s):  
Phase Transfer ◽  
Cinchona Alkaloid ◽  
Hypervalent Iodine ◽  
Organic Base ◽  
Chiral Phase ◽  
Phase Transfer Catalysts ◽  
Keto Esters ◽  
Chiral Phase Transfer Catalysts

Highly enantioselective electrophilic cyanation of β-keto esters with hypervalent iodine(iii) as the cyanating reagent induced by cinchona alkaloid-based chiral phase-transfer catalysts using an organic base is reported.

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