Mono- and Bimetallic Nanoparticles Stabilized by an Aromatic Polymeric Network for a Suzuki Cross-Coupling Reaction

被引：1
作者：
Nikoshvili, Linda Zh. [1 ]
Shkerina, Kristina N. [1 ]
Bykov, Alexey V. [1 ]
Sidorov, Alexander I. [1 ]
Vasiliev, Alexander L. [2 ,3 ]
Sulman, Mikhail G. [1 ]
Kiwi-Minsker, Lioubov [4 ,5 ]
机构：
[1] Tver State Tech Univ, Dept Biotechnol Chem & Standardizat, Afanasy Nikitina St 22, Tver 170026, Russia
[2] Natl Res Ctr Kurchatov Inst, Kurchatov Sq 1, Moscow 123182, Russia
[3] Russian Acad Sci, Inst Crystallog, Leninsky Prospekt 59, Moscow 117333, Russia
[4] Tver State Univ, Reg Technol Ctr, Zhelyabova St 33, Tver 170100, Russia
[5] Ecole Polytech Federale Lausanne, Dept Basic Sci, ISIC FSB EPFL, CH-1015 Lausanne, Switzerland
来源：
NANOMATERIALS | 2022年 / 12卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
Suzuki cross-coupling; hyper-cross-linked polystyrene; palladium; nanoparticles; bimetallic catalysts; C-C; SELECTIVE HYDROGENATION; LINKED POLYSTYRENE; PD; CATALYSTS; MIYAURA; PALLADIUM; METHANOL; NANOCOMPOSITE; REDUCTION;
D O I：
10.3390/nano12010094
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This work addresses the Suzuki cross-coupling between 4-bromoanisole (BrAn) and phenylboronic acid (PBA) in an environmentally benign ethanol-water solvent catalysed by mono- (Pd) and bimetallic (PdAu, PdCu, PdZn) nanoparticles (NPs) stabilised within hyper-cross-linked polystyrene (HPS) bearing tertiary amino groups. Small Pd NPs of about 2 nm in diameters were formed and stabilized by HPS independently in the presence of other metals. High catalytic activity and complete conversion of BrAn was attained at low Pd loading. Introduction of Zn to the catalyst composition resulted in the formation of Pd/Zn/ZnO NPs, which demonstrated nearly double activity as compared to Pd/HPS. Bimetallic core-shell PdAu/HPS samples were 3-fold more active as compared to Pd/HPS. Both Pd/HPS and PdAu/HPS samples revealed promising stability confirmed by catalyst recycling in repeated reaction runs.
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页数：17
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