Preparation, characterization and application of silica-supported palladium complex as a new and heterogeneous catalyst for Suzuki and Sonogashira reactions

被引：65
作者：
Ghiaci, Mehran [1 ]
Zarghani, Monireh [1 ]
Moeinpour, Farid [2 ]
Khojastehnezhad, Amir [3 ]
机构：
[1] Isfahan Univ Technol, Dept Chem, Esfahan 8415683111, Iran
[2] Islamic Azad Univ, Dept Chem, Coll Sci, Bandar Abbas Branch, Bandar Abbas, Iran
[3] Islamic Azad Univ, Dept Chem, Coll Sci, Mashhad Branch, Mashhad, Iran
来源：
APPLIED ORGANOMETALLIC CHEMISTRY | 2014年 / 28卷 / 08期
关键词：
Pd nanoparticles; silica-bonded; Suzuki; Sonogashira; cross-coupling reactions; MIYAURA COUPLING REACTION; RECYCLABLE CATALYST; IONIC-LIQUID; EFFICIENT CATALYST; REUSABLE CATALYST; NANOPARTICLES; HECK; OXIDATION; SBA-15; WATER;
D O I：
10.1002/aoc.3165
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
An efficient heterogeneous Pd catalytic system has been developed, based on immobilization of Pd nanoparticles (PNPs) on a silica-bonded propylamine-cyanuric-cysteine (SiO2-pA-Cyan-Cys) substrate. The synthesized catalyst was characterized by transmission electron microscopy, scanning electron microscopy, FT-IR, N-2 adsorption analysis (BET), TGA and inductively coupled plasma/atomic emission spectroscopy, and catalytic activity of this catalyst was investigated in the Suzuki and Sonogashira cross-coupling reactions. The catalysts showed excellent performance in these two reactions, including various aryl halide derivatives (except aryl chloride derivatives) with phenylboronic acid and phenylacetylene under green conditions. Moreover, the catalyst was recycled for several runs without any significant loss of catalytic activity. Copyright (C) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：589 / 594
页数：6
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