Brønsted base-catalyzed three-component coupling reaction of α-ketoesters, imines, and diethyl phosphite utilizing [1,2]-phospha-Brook rearrangement

2016 ◽  
Vol 14 (20) ◽  
pp. 4704-4711 ◽  
Author(s):  
Azusa Kondoh ◽  
Masahiro Terada
Keyword(s):  
Coupling Reaction ◽  
Base Catalysis ◽  
Diethyl Phosphite ◽  
Brook Rearrangement ◽  
Brønsted Base ◽  
Three Component Coupling

A three-component coupling reaction of α-ketoesters, imines, and diethyl phosphite under Brønsted base catalysis was developed by utilizing the [1,2]-phospha-Brook rearrangement.

Brønsted base-catalyzed α-oxygenation of carbonyl compounds utilizing the [1,2]-phospha-Brook rearrangement

2015 ◽  
Vol 2 (7) ◽  
pp. 801-805 ◽  
Author(s):  
Azusa Kondoh ◽  
Masahiro Terada
Keyword(s):  
Carbonyl Compounds ◽  
Base Catalysis ◽  
Brook Rearrangement ◽  
Brønsted Base

A novel α-oxygenation reaction of carbonyl compounds was developed by utilizing the [1,2]-phospha-Brook rearrangement under Brønsted base catalysis.

Synthesis of 2,3-allenylamides utilizing [1,2]-phospha-Brook rearrangement and their application to gold-catalyzed cycloisomerization providing 2-aminofuran derivatives

2016 ◽  
Vol 52 (84) ◽  
pp. 12513-12516 ◽  
Author(s):  
Azusa Kondoh ◽  
Sho Ishikawa ◽  
Takuma Aoki ◽  
Masahiro Terada
Keyword(s):  
Base Catalysis ◽  
Synthetic Method ◽  
Brook Rearrangement ◽  
Brønsted Base ◽  
Oxygen Functionality

An efficient synthetic method for 2,3-allenylamides having an oxygen functionality at the 2-position was newly developed by utilizing the [1,2]-phospha-Brook rearrangement under Brønsted base catalysis.

Intramolecular addition of benzyl anion to alkyne utilizing [1,2]-phospha-Brook rearrangement under Brønsted base catalysis

2017 ◽  
Vol 15 (35) ◽  
pp. 7277-7281 ◽  
Author(s):  
Azusa Kondoh ◽  
Ryosuke Ozawa ◽  
Takuma Aoki ◽  
Masahiro Terada
Keyword(s):  
Reaction System ◽  
Base Catalysis ◽  
Brook Rearrangement ◽  
Brønsted Base

A novel reaction system for intramolecular addition of benzyl anions to alkynes was developed by utilizing the [1,2]-phospha-Brook rearrangement under Brønsted base catalysis.

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