The Features of Action of Supported Pd Catalysts in the Suzuki-Miyaura Reaction

被引：7
作者：
Schmidt, A. F. [1 ]
Kurokhtina, A. A. [1 ]
Larina, E. V. [1 ]
Lagoda, N. A. [1 ]
Yavsin, D. A. [2 ]
Gurevich, S. A. [2 ]
Zelikman, V. M. [3 ]
Krotova, I. N. [3 ]
Rostovshchikova, T. N. [3 ]
Tarkhanova, I. G. [3 ]
机构：
[1] Irkutsk State Univ, Chem Dept, Irkutsk 664003, Russia
[2] RAS, Ioffe Inst, St Petersburg 194021, Russia
[3] Lomonosov Moscow State Univ, Fac Chem, Moscow 119991, Russia
来源：
KINETICS AND CATALYSIS | 2023年 / 64卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
Suzuki-Miyaura reaction; palladium; heterogeneous catalysts; ionic liquids; kinetics; differential selectivity; mechanism; LASER ELECTRODISPERSION; HETEROGENEOUS CATALYSIS; COUPLING REACTIONS; ALUMINA; HYDRODECHLORINATION; COMPLEXES; PHASE; HECK;
D O I：
10.1134/S0023158423010081
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：
The paper presents the results of a comparative analysis of the differential selectivity of the Suzuki-Miyaura reaction with aryl bromides using various heterogeneous Pd precursors (PdCl42- and Pd-0) obtained by chemical modification and laser electrodispersion of palladium on heterogeneous supports of two types: SiO2 modified with an ionic liquid and gamma-Al2O3. The catalytic experiments were carried out under "ligand-free" conditions implying no additives of phosphines, amines, carbenes, or any other organic ligands for Pd stabilization. Changes in the differential selectivity of competing aryl bromides were observed while varying the nature and concentration of the Pd precursor, indicating a substantial contribution of true heterogeneous catalysis to the total conversion of substrates.
引用
收藏
页码：32 / 43
页数：12
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