Chiral Broensted Acid Catalyzed Mannich-Type Reaction

ChemInform ◽  
2006 ◽  
Vol 37 (16) ◽  
Author(s):  
T. Yamada ◽  
T. Ikeno
Keyword(s):  
Type Reaction ◽  
Acid Catalyzed

Triflic acid-catalyzed cascade cyclization of arenyl enynes via acetylene-cation cyclization and Friedel–Crafts type reaction

2011 ◽  
Vol 52 (17) ◽  
pp. 2069-2071 ◽  
Author(s):  
Tienan Jin ◽  
Junichi Uchiyama ◽  
Masafumi Himuro ◽  
Yoshinori Yamamoto
Keyword(s):  
Triflic Acid ◽  
Type Reaction ◽  
Cascade Cyclization ◽  
Acid Catalyzed

A chiral Brønsted acid-catalyzed highly enantioselective Mannich-type reaction of α-diazo esters with in situ generated N-acyl ketimines

2018 ◽  
Vol 54 (28) ◽  
pp. 3516-3519 ◽  
Author(s):  
Rajshekhar A. Unhale ◽  
Milon M. Sadhu ◽  
Sumit K. Ray ◽  
Rayhan G. Biswas ◽  
Vinod K. Singh
Keyword(s):  
Phosphoric Acid ◽  
Reaction Conditions ◽  
Type Reaction ◽  
Chiral Phosphoric Acid ◽  
Brönsted Acid ◽  
Diazo Esters ◽  
Reaction Proceeds ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid

A chiral phosphoric acid-catalyzed asymmetric Mannich-type reaction of α-diazo esters with in situ generated N-acyl ketimines, derived from 3-aryl-3-hydroxyisoindolinones has been demonstrated. The reaction proceeds smoothly under mild reaction conditions.

ChemInform Abstract: Chiral Broensted Acid Catalyzed Enantioselective Mannich-Type Reaction.

ChemInform ◽  
2008 ◽  
Vol 39 (3) ◽  
Author(s):  
Masahiro Yamanaka ◽  
Junji Itoh ◽  
Kohei Fuchibe ◽  
Takahiko Akiyama
Keyword(s):  
Type Reaction ◽  
Acid Catalyzed

Chiral Brønsted Acid-Catalyzed Stereoselective Mannich-Type Reaction of Azlactones with Aldimines

2014 ◽  
Vol 80 (1) ◽  
pp. 590-594 ◽  
Author(s):  
Eloah P. Ávila ◽  
Rodrigo M. S. Justo ◽  
Vanessa P. Gonçalves ◽  
Adriane A. Pereira ◽  
Renata Diniz ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Type Reaction ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid

Metal-free C8–H functionalization of quinoline N-oxides with ynamides

2021 ◽  
Author(s):  
Weican Hu ◽  
Feiyang Zhang ◽  
Chen Chen ◽  
Tianhang Qi ◽  
Yanlong Shen ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Type Reaction ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
First Time

The metal-free C8–H functionalization of quinoline N-oxides with ynamides are unveiled for the first time by the intramolecular Friedel–Crafts-type reaction of quinolyl enolonium intermediates generated from Brønsted acid-catalyzed addition of...

A p-toluenesulfinic acid-catalyzed three-component Ugi-type reaction and its application for the synthesis of α-amino amides and amidines

2013 ◽  
Vol 54 (19) ◽  
pp. 2340-2343 ◽  
Author(s):  
Biswajit Saha ◽  
Brendan Frett ◽  
Yuanxiang Wang ◽  
Hong-yu Li
Keyword(s):  
Type Reaction ◽  
Acid Catalyzed ◽  
Amino Amides
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