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Preparation and characterization of a silica‐based magnetic nanocomposite and its application as a recoverable catalyst for the one‐pot multicomponent synthesis of quinazolinone derivatives
Author(s) -
Maleki Ali,
Rabbani Mahboubeh,
Shahrokh Shirin
Publication year - 2015
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.3373
Subject(s) - chemistry , catalysis , nanocomposite , quinazolinone , mcm 41 , ammonium acetate , one pot synthesis , adsorption , nuclear chemistry , diffuse reflectance infrared fourier transform , heterogeneous catalysis , fourier transform infrared spectroscopy , organic chemistry , chemical engineering , inorganic chemistry , mesoporous material , high performance liquid chromatography , photocatalysis , engineering
An environmentally benign magnetic silica‐based nanocomposite (Fe 3 O 4 /SBA‐15) as a heterogeneous nanocatalyst was prepared and characterized using Fourier transform infrared and ultraviolet–visible diffuse reflectance spectroscopies, scanning electron microscopy , X‐ray diffraction, vibrating sample magnetometry and Brunauer–Emmett–Teller multilayer nitrogen adsorption. Its catalytic activity was investigated for the one‐pot multicomponent synthesis of 2,3‐dihydroquinazolin‐4(1 H )‐ones starting from isatoic anhydride, ammonium acetate and various aldehydes under mild reaction conditions and easy work‐up procedure in refluxing ethanol with good yields. The nanocatalyst can be recovered easily and reused several times without significant loss of catalytic activity . Copyright © 2015 John Wiley & Sons, Ltd.