Catalyst- and Pressure-Dependent Reductive Cyclizations for the Diastereoselective Synthesis of Hexahydropyrrolo[1,2-a]quinoline-5-carboxylic Esters.

ChemInform ◽  
2007 ◽  
Vol 38 (16) ◽  
Author(s):  
Richard A. Bunce ◽  
James E. Schammerhorn ◽  
LeGrande M. Slaughter
Keyword(s):  
Diastereoselective Synthesis ◽  
Carboxylic Esters ◽  
Reductive Cyclizations

Copper-catalyzed diastereoselective synthesis of β-boryl-α-quaternary carbon carboxylic esters

2018 ◽  
Vol 16 (47) ◽  
pp. 9237-9242 ◽  
Author(s):  
Ya-Jie Zuo ◽  
Zhuoran Zhong ◽  
Yinkun Fan ◽  
Xiangyu Li ◽  
Xiaolu Chen ◽  
...  
Keyword(s):  
Diastereoselective Synthesis ◽  
Quaternary Carbon ◽  
Carboxylic Esters

Cu(i)-Catalyzed diastereoselective carboboration of α-alkyl-substituted α,β-unsaturated carboxylic esters to produce β-boryl-α-quaternary carbon esters was developed.

A Brønsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters

2021 ◽  
Author(s):  
Valentina Marras ◽  
Pierluigi Caboni ◽  
Francesco Secci ◽  
Régis Guillot ◽  
David J. Aitken ◽  
...  
Keyword(s):  
Michael Addition ◽  
Tandem Reaction ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Diastereoselective Synthesis ◽  
Cyclization Process ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Carboxylic Esters

We have established a Brønsted acid catalyzed diastereoselective synthesis of diversely substituted cyclobuta-fused tetrahydroquinoline carboxylic esters through a new tandem aza-Michael addition-aza-Friedel–Crafts cyclization process.

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