Three Component Coupling Reaction of Benzyl Halides, CO2, and DMF by Using Paired Electrosynthesis; Sacrificial Anode Free Electrochemical Carboxylation of Benzyl halides

RSC Advances ◽  
2015 ◽  
Vol 5 (119) ◽  
pp. 98721-98723 ◽  
Author(s):  
Hiroyuki Tateno ◽  
Yoshimasa Matsumura ◽  
Koji Nakabayashi ◽  
Hisanori Senboku ◽  
Mahito Atobe

We have developed an novel electrochemical carboxylation system using a microreactor. In this system, electrochemical carboxylation of benzyl halides proceeds without the use of a sacrificial anode to give carboxylated products in excellent yields.


RSC Advances ◽  
2021 ◽  
Vol 11 (22) ◽  
pp. 13097-13104
Author(s):  
Makoto Shimizu ◽  
Asako Higashino ◽  
Isao Mizota ◽  
Yusong Zhu

Treatment of α-aldimino thioesters with dialkylzinc reagents in the presence of aldehydes or imines gives three-component coupling products in good yields with good to high anti-selectivities.


2011 ◽  
Vol 7 ◽  
pp. 1334-1341 ◽  
Author(s):  
Sanny Verma ◽  
Suman L Jain ◽  
Bir Sain

PEG-embedded potassium tribromide ([K+PEG]Br3 −) was found to be an efficient and recyclable catalyst for the synthesis of functionalized piperidines in high yields in a one step, three component coupling between aldehyde, amine and β-keto ester. At the end of the reaction the [K+PEG]Br3 − was readily regenerated from the reaction mixture by treating the residue containing [K+PEG]Br− with molecular bromine.


Synfacts ◽  
2006 ◽  
Vol 2006 (6) ◽  
pp. 0587-0587
Author(s):  
M.-K. Wong ◽  
C.-M. Che ◽  
V. Lo ◽  
Y. Liu

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