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Preparation, characterization and application of silica‐supported palladium complex as a new and heterogeneous catalyst for Suzuki and Sonogashira reactions
Author(s) -
Ghiaci Mehran,
Zarghani Monireh,
Moeinpour Farid,
Khojastehnezhad Amir
Publication year - 2014
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.3165
Subject(s) - chemistry , sonogashira coupling , aryl , catalysis , phenylacetylene , cyanuric chloride , palladium , suzuki reaction , heterogeneous catalysis , amination , alkyne , nuclear chemistry , coupling reaction , polymer chemistry , organic chemistry , inorganic chemistry , alkyl
An efficient heterogeneous Pd catalytic system has been developed, based on immobilization of Pd nanoparticles (PNPs) on a silica‐bonded propylamine–cyanuric–cysteine (SiO 2 – p A–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 © 2014 John Wiley & Sons, Ltd.