Highly Efficient Bulkyα-Diimine Palladium Complexes for Suzuki-Miyaura Cross-Coupling Reaction

2017 ◽  
Vol 35 (3) ◽  
pp. 363-367 ◽  
Author(s):  
Ping Huo ◽  
Jingbo Li ◽  
Wanyun Liu ◽  
Guangquan Mei
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Palladium Complexes ◽  
Highly Efficient ◽  
Cross Coupling Reaction

scholarly journals A Quantum-Chemical DFT Approach to Elucidation of the Chirality Transfer Mechanism of the Enantioselective Suzuki–Miyaura Cross-Coupling Reaction

2017 ◽  
Vol 2017 ◽  
pp. 1-12 ◽  
Author(s):  
Radomir Jasiński ◽  
Oleg M. Demchuk ◽  
Dmytro Babyuk
Keyword(s):  
Quantum Chemical ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Palladium Complexes ◽  
Initial Reaction ◽  
Chiral Ligand ◽  
Chirality Transfer ◽  
Cross Coupling Reaction ◽  
Enantioselective Reactions ◽  
Selection Of

The DFT calculations of the simplified model of the asymmetric Suzuki–Miyaura coupling reaction were performed at the M062x/LANL2DZ theory level at first. It was found that enantioselective reactions mediated by the palladium complexes of chiral C,P-ligands follow a four-stage mechanism similar to that proposed previously as one of the most credible mechanisms. It should be underlined that the presence of substituents in the substrates and the chiral ligand at ortho positions determines the energies of possible diastereoisomeric transition states and intermediates in initial reaction steps. This suggests that, in practice, a sharp selection of theoretically possible paths of chirality transfer from the catalyst to the product should have a place and, therefore, the absolute configuration of the formed atropisomeric product is defined and can be predicted.

scholarly journals Pd(CH3CN)2Cl2/Pipecolinic Acid as a Highly Efficient Catalytic System for Suzuki-Miyaura Cross-coupling Reaction of Bromoaryl Carboxylic Acids in Water

Catalysts ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 86 ◽  
Author(s):  
Xiaogang Li ◽  
Wenbin Zhang ◽  
Leiqing Fu ◽  
Mengping Guo
Keyword(s):  
Catalytic System ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Catalytic Performance ◽  
High Turnover ◽  
Mild Conditions ◽  
Highly Efficient ◽  
Cross Coupling Reaction ◽  
Pipecolinic Acid ◽  
Excellent Catalytic Performance

In this study, a convenient and highly efficient catalytic system for the Suzuki-Miyaura coupling reaction was investigated under mild conditions. A combination of Pd(CH3CN)2Cl2 and pipecolinic acid showed excellent catalytic performance and afforded high turnover numbers; turnover numbers were up to 4.9 × 105 for the coupling reaction of 4-bromobenzoic acid and tetraphenylboron sodium. The catalytic system was also effective for the indexes of 4-bromobenzoic acid, and high turnover numbers were obtained.

A highly efficient and reusable MCM-41-immobilized bipyridine copper(i) catalyst for the C–Se coupling of organoboronic acids with diaryl diselenides

2015 ◽  
Vol 39 (3) ◽  
pp. 2106-2115 ◽  
Author(s):  
Hong Zhao ◽  
Yuanyuan Jiang ◽  
Qiurong Chen ◽  
Mingzhong Cai
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Highly Efficient ◽  
Cross Coupling Reaction ◽  
Organoboronic Acids ◽  
Mcm 41

A heterogeneous copper-catalyzed cross-coupling reaction of diaryl diselenides with organoboronic acids for the synthesis of diorganyl selenides has been described.

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