Asymmetric acyl-Mannich reaction of isoquinolines with α-(diazomethyl)phosphonate and diazoacetate catalyzed by chiral Brønsted acids

2020 ◽  
Vol 56 (76) ◽  
pp. 11235-11238 ◽  
Author(s):  
Wei Wu ◽  
Yan Wang ◽  
Jing Guo ◽  
Liu Cai ◽  
Yuan Chen ◽  
...  
Keyword(s):  
Mannich Reaction ◽  
Bronsted Acids ◽  
Chiral Brønsted Acids ◽  
Isoquinoline Derivatives

α-Diazo-β-isoquinoline derivatives were obtained in excellent yields and enantioselectivities by asymmetric acyl-Mannich reaction of (diazomethyl)phosphonate or diazoacetate with isoquinolines.

Enantioselective oxysulfenylation and oxyselenenylation of olefins catalyzed by chiral Brønsted acids

Tetrahedron ◽  
2012 ◽  
Vol 68 (12) ◽  
pp. 2728-2735 ◽  
Author(s):  
Huan Guan ◽  
Haining Wang ◽  
Deshun Huang ◽  
Yian Shi
Keyword(s):  
Bronsted Acids ◽  
Chiral Brønsted Acids

Highly Efficient AsymmetricTrans-Selective Aziridination of Diazoacetamides andN-Boc-imines Catalyzed by Chiral Brønsted Acids

2009 ◽  
Vol 11 (14) ◽  
pp. 3036-3039 ◽  
Author(s):  
Xiaofei Zeng ◽  
Xin Zeng ◽  
Zhenjiang Xu ◽  
Min Lu ◽  
Guofu Zhong
Keyword(s):  
Bronsted Acids ◽  
Highly Efficient ◽  
Chiral Brønsted Acids

scholarly journals Enantioselective Nazarov cyclization of indole enones cooperatively catalyzed by Lewis acids and chiral Brønsted acids

2017 ◽  
Vol 8 (10) ◽  
pp. 7197-7202 ◽  
Author(s):  
Guo-Peng Wang ◽  
Meng-Qing Chen ◽  
Shou-Fei Zhu ◽  
Qi-Lin Zhou
Keyword(s):  
Proton Transfer ◽  
Lewis Acid ◽  
Lewis Acids ◽  
Bronsted Acids ◽  
Bronsted Acid ◽  
Nazarov Cyclization ◽  
Cooperative Catalysis ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid ◽  
Chiral Brønsted Acids

The first enantioselective Nazarov cyclization of substrates with only one coordinating site and with proton-transfer as an enantioselective-determining step was realized by means of cooperative catalysis with a Lewis acid and a chiral Brønsted acid.

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