ChiralN,N′-Dioxide-Yttrium Triflate Complexes-Catalyzed Asymmetric Aldol Cyclization of α-Keto Esters with α-Isothiocyanato Imide

2013 ◽  
Vol 355 (16) ◽  
pp. 3253-3262 ◽  
Author(s):  
Xiaohu Zhao ◽  
Mingsheng Xie ◽  
Xiaohua Liu ◽  
Yulong Zhang ◽  
Xiao Xiao ◽  
...  
Keyword(s):  
Asymmetric Aldol ◽  
Keto Esters ◽  
Aldol Cyclization

ChemInform Abstract: Chiral N,N′-Dioxide-Yttrium Triflate Complexes-Catalyzed Asymmetric Aldol Cyclization of α-Keto Esters with α-Isothiocyanato Imide.

ChemInform ◽  
2014 ◽  
Vol 45 (16) ◽  
pp. no-no
Author(s):  
Xiaohu Zhao ◽  
Mingsheng Xie ◽  
Xiaohua Liu ◽  
Yulong Zhang ◽  
Xiao Xiao ◽  
...  
Keyword(s):  
Asymmetric Aldol ◽  
Keto Esters ◽  
Aldol Cyclization

Water enables an asymmetric cross reaction of α-keto acids with α-keto esters for the synthesis of quaternary isotetronic acids

2019 ◽  
Vol 55 (85) ◽  
pp. 12813-12816 ◽  
Author(s):  
Ping Chen ◽  
Kai Wang ◽  
Boyu Zhang ◽  
Wengang Guo ◽  
Yan Liu ◽  
...  
Keyword(s):  
Cascade Reaction ◽  
Cross Reaction ◽  
Asymmetric Aldol ◽  
Keto Esters ◽  
Keto Acids

A water promoted asymmetric aldol/lactonization/enolization cascade reaction of α-keto acids and α-keto esters affords chiral quaternary isotetronic acids with excellent enantioselectivity.

scholarly journals Asymmetric Aldol/Vinylogous Aldol/Cyclization Reaction Using Phosphine Oxide Catalysts

2017 ◽  
Vol 65 (10) ◽  
pp. 989-993 ◽  
Author(s):  
Nathan Ray Alim ◽  
Shiki Miyazaki ◽  
Yasushi Shimoda ◽  
Masaharu Sugiura ◽  
Makoto Nakajima ◽  
...  
Keyword(s):  
Phosphine Oxide ◽  
Oxide Catalysts ◽  
Cyclization Reaction ◽  
Asymmetric Aldol ◽  
Aldol Cyclization
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