Role of the base and endogenous anions in "ligand-free" catalytic systems for the Suzuki-Miyaura reaction

被引：7
|
作者：
Kurokhtina, A. A. [1 ]
Larina, E. V. [1 ]
Yarosh, E. V. [1 ]
Schmidt, A. F. [1 ]
机构：
[1] Irkutsk State Univ, Fac Chem, Irkutsk 664003, Russia
来源：
KINETICS AND CATALYSIS | 2016年 / 57卷 / 03期
关键词：
Suzuki; Miyaura reaction; palladium; catalysis; base; CROSS-COUPLING REACTION; HECK REACTION; TRIPLE ROLE; PALLADIUM; COMPLEXES; TRANSMETALATION; IONS; NANOPARTICLES; INTERMEDIATE; MECHANISM;
D O I：
10.1134/S0023158416030095
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
UV spectroscopic studies combined with kinetic measurements for the Suzuki-Miyaura reaction catalyzed by "ligand-free" catalytic systems have demonstrated that the base is involved in the formation of the palladium complexes ensuring the occurrence of the transmetalation stage. It follows from UV monitoring data for the catalytic reaction involving aryl iodides that a considerable part of palladium during the process is in the form of Pd2+ acid complexes with endogenous anions and does not participate in the main catalytic cycle.
引用
收藏
页码：373 / 379
页数：7
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