Brønsted Acid Catalyzed [3+2]-Cycloaddition of 2-Vinylindoles with In Situ Generated 2-Methide-2H-indoles: Highly Enantioselective Synthesis of Pyrrolo[1,2-a]indoles

2016 ◽  
Vol 22 (21) ◽  
pp. 7074-7078 ◽  
Author(s):  
Kalisankar Bera ◽  
Christoph Schneider
Keyword(s):  
Enantioselective Synthesis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Acid Catalyzed

scholarly journals Chiral Brønsted acid-catalyzed Friedel–Crafts alkylation of electron-rich arenes with in situ-generated ortho-quinone methides: highly enantioselective synthesis of diarylindolylmethanes and triarylmethanes

2015 ◽  
Vol 51 (8) ◽  
pp. 1461-1464 ◽  
Author(s):  
Satyajit Saha ◽  
Santosh Kumar Alamsetti ◽  
Christoph Schneider
Keyword(s):  
Enantioselective Synthesis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Quinone Methides ◽  
Reaction Conditions ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid ◽  
Hydrogen Bonded

Hydrogen-bonded, in situ-generated ortho-quinone methides undergo highly enantioselective Friedel–Crafts reactions with indoles and naphthols under mild reaction conditions.

Chiral Brønsted acid-catalysed enantioselective synthesis of isoindolinone-derived N(acyl),S-acetals

2016 ◽  
Vol 52 (10) ◽  
pp. 2071-2074 ◽  
Author(s):  
Josipa Suć ◽  
Irena Dokli ◽  
Matija Gredičak
Keyword(s):  
Enantioselective Synthesis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid ◽  
High Yields

Chiral Brønsted acid catalyzed synthesis of N(acyl),S-acetals from in situ generated ketimines proceeds in high yields and enantioselectivities.

Brønsted Acid-catalyzed Dynamic Kinetic Resolution of in situ Formed Acyclic N,O-hemiaminals: Cascade Synthesis of Chiral Cyclic N,O-aminals

2021 ◽  
Author(s):  
Xue-Jiao Lv ◽  
Yong-Chao Ming ◽  
Hui-Chun Wu ◽  
Yankai Liu
Keyword(s):  
Kinetic Resolution ◽  
Michael Reaction ◽  
Amide Group ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Dynamic Kinetic Resolution ◽  
Brönsted Acid ◽  
Acid Catalyzed

A Brønsted acid-catalyzed cascade acyclic N,O-hemiaminal formation/oxa-Michael reaction is developed for the synthesis of cis-2,6-disubstituted tetrahydropyrans bearing an exo amide group, that is, cyclic N,O-aminals. By using TsOH, various different...

Brønsted Acid-Catalyzed Enantioselective Synthesis of Isatin- DerivedN,S-Acetals

2015 ◽  
Vol 357 (4) ◽  
pp. 672-676 ◽  
Author(s):  
Christian Beceño ◽  
Pankaj Chauhan ◽  
Andreas Rembiak ◽  
Ai Wang ◽  
Dieter Enders
Keyword(s):  
Enantioselective Synthesis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Acid Catalyzed
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