Microwave-assisted synthesis of Pd nanoparticles and their catalysis application for Suzuki cross-coupling reactions

被引：5
|
作者：
Zhang, Jian [1 ]
Bai, Xuefeng [1 ,2 ]
机构：
[1] Heilongjiang Univ, Sch Chem & Mat Sci, Harbin, Peoples R China
[2] Heilongjiang Acad Sci, Inst Petrochem, Harbin 150040, Peoples R China
来源：
INORGANIC AND NANO-METAL CHEMISTRY | 2017年 / 47卷 / 05期
关键词：
Microwave-assisted chemical reduction; Pd nanoparticles; Suzuki cross-coupling reactions; PALLADIUM NANOPARTICLES; MIYAURA REACTION; EFFICIENT;
D O I：
10.1080/15533174.2016.1212228
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Pd nanoparticles (PdNPs) were prepared via microwave-assisted chemical reduction method (PdNPs-MW) and a conventional chemical reduction method (PdNPs-C) using ethanol as the reducing agent in the presence of polyvinylpyrrolidone (PVP), respectively. The as-prepared PdNPs were characterized by UV-vis spectroscopy, TEM, XRD, and X-ray photoelectron spectroscopy analysis. The results showed that PdNPs-MW had a uniform structure and narrower size distribution with diameters of 3.6-5.4 nm. An obvious increase in size of the PdNPs was apparent for PdNPs-C. The PdNPs-MW demonstrated 68.7% yield toward the Suzuki cross-coupling reaction of 4-bromobenzonitrile and phenylboronic acid for 10 min with a higher turnover frequency of 41220 h(-1) compared with the value of PdNPs-C (20580 h(-1)).
引用
收藏
页码：672 / 676
页数：5
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