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.

Highly Efficient Asymmetric Mannich Reaction of Dialkyl α-Diazomethylphosphonates with N-Carbamoyl Imines Catalyzed by Chiral Brønsted Acids

2012 ◽  
Vol 14 (8) ◽  
pp. 2126-2129 ◽  
Author(s):  
Hui Zhang ◽  
Xiaojing Wen ◽  
Lihua Gan ◽  
Yungui Peng
Keyword(s):  
Mannich Reaction ◽  
Bronsted Acids ◽  
Highly Efficient ◽  
Chiral Brønsted Acids

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

Chiral Brønsted Acids and Their Calcium Salts in Catalytic Asymmetric Mannich Reactions of Cyclic 1,3-Diketones

Synlett ◽  
2011 ◽  
Vol 2011 (03) ◽  
pp. 323-326 ◽  
Author(s):  
Magnus Rueping ◽  
Teerawut Bootwicha ◽  
Erli Sugiono
Keyword(s):  
Bronsted Acids ◽  
Mannich Reactions ◽  
Calcium Salts ◽  
Catalytic Asymmetric ◽  
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

Asymmetric protonation of lithium enolates of α-amino acid derivatives with α-amino acid-based chiral Brønsted acids

2003 ◽  
pp. 566 ◽  
Author(s):  
Kentaro Futatsugi ◽  
Akira Yanagisawa ◽  
Hisashi Yamamoto
Keyword(s):  
Amino Acid ◽  
Amino Acid Derivatives ◽  
Bronsted Acids ◽  
Lithium Enolates ◽  
Chiral Brønsted Acids

Chiral Brønsted Acids for Asymmetric Organocatalysis

2009 ◽  
pp. 395-456 ◽  
Author(s):  
Daniela Kampen ◽  
Corinna M. Reisinger ◽  
Benjamin List
Keyword(s):  
Bronsted Acids ◽  
Asymmetric Organocatalysis ◽  
Chiral Brønsted Acids

Highly Enantioselective Friedel-Crafts Reaction of 4,7-Dihydroindoles with β,γ-Unsaturated α-Keto Esters by Chiral Brønsted Acids

2008 ◽  
Vol 350 (14-15) ◽  
pp. 2169-2173 ◽  
Author(s):  
Mi Zeng ◽  
Qiang Kang ◽  
Qing-Li He ◽  
Shu-Li You
Keyword(s):  
Bronsted Acids ◽  
Keto Esters ◽  
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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