Zinc cation supported on carrageenan magnetic nanoparticles: A novel, green and efficient catalytic system for one‐pot three‐component synthesis of quinoline derivatives

Published on Aug 1, 2017in Applied Organometallic Chemistry4.105
· DOI :10.1002/AOC.3682
Fariba Keshavarzipour7
Estimated H-index: 7
(IUT: Isfahan University of Technology),
Hossein Tavakol17
Estimated H-index: 17
Source
Abstract
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Ni MOF-derived N-doped magnetic mesoporous carbon-supported Pd nanoparticles (Pd/Ni-mCN) were prepared and used in the hydrodechlorination (HDC) of chlorophenols (CPs) water pollutants with H-2 at mild reaction conditions. The Pd/Ni-mCN catalyst was characterized in detail by transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), N-2 adsorption/desorption, and vibrating sample magnetometry (VSM). The Pd/Ni-mCN nanocatalyst showed high activity an...
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Recently, it has become imperative to design non-precious-metal-based nanocatalysts with high catalytic efficiency for the hydrogenation of nitroarenes to the corresponding aromatic amines under mild reaction conditions. In this study, γ-Fe2O3-nanoparticle-supported hollow mesoporous carbon microsphere (h-MCM) nanocatalysts (γ-Fe2O3/h-MCM) were prepared, and their catalytic performance for the hydrogenation of nitroarenes was investigated. Here, h-MCM prepared by the co-sol–emulsion-gel method e...
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#1Dana Shahabi (IUT: Isfahan University of Technology)H-Index: 7
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Abstract In this work, various quinoline derivatives were prepared efficiently through a one-pot, three component synthesis using choline chloride/tin(II) chloride (ChCl·2SnCl2) deep eutectic solvent (DES) as a green catalyst. The procedure is free of using toxic solvents or catalyst and it could be categorized as a green method. In this procedure, aniline derivatives, aromatic aldehydes and enolizable aldehydes were mixed in the presence of DES that plays both roles of solvent and the reaction ...
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#1Fariba Keshavarzipour (IUT: Isfahan University of Technology)H-Index: 7
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In this work, choline chloride/zinc chloride was employed as a deep eutectic solvent (DES) in the green synthesis of coumarin derivatives using Knoevenagel condensation. Coumarins are important organic structures with useful application in various fields. The procedure consisted of the reaction between salicylaldehyde derivatives and active methylene compounds (dimethyl malonate, ethyl cyano acetate and ethyl 3-oxo-3-phenylpropanoate) to produce various coumarin derivatives. The general procedur...
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We have reported one-pot, three-component Mannich type reaction of aldehyde, amines and ketone (acetone and acetophenones), catalyzed by deep eutectic solvent (choline chloride/zinc chloride) at room tempera- ture to give b-amino carbonyls in good yields. The catalyst could be recycled at least four times without remarkable decrease in its catalytic activity. The general method is easy, fast and environmental friendly.
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The synthesis of a variety of 2,3-disubstituted quinolines has been achieved successfully via a one-pot three-component reaction of arylamines, arylaldehydes and aliphatic aldehydes in the presence of butylpyridinium tetrachloroindate(III), [bpy][InCl4], ionic liquid as a green catalyst and solvent. Mild conditions with excellent conversions, and simple product isolation procedure are noteworthy advantages of this method. The recyclability of the ionic liquid makes this protocol environmentally ...
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In this study, we have developed the synthesis of thieno[2,3-b]indole dyes via a multicomponent reaction of cheap and available reagents such as sulfur, acetophenones, and indoles using a magnetic nanoparticle-supported [Urea]4[ZnCl2] deep eutectic solvent as a green catalyst. The synthesis of a series of diversely functionalized thieno[2,3-b]indole has been successfully performed in a one-pot reaction. Among a total of 25 compounds synthesized, there are 21 new compounds with full characterizat...
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The application of the magnetic nanocatalysts is a rapidly growing field for the development of sustainable and green processes. Magnetic separation not only avoids the need for catalyst filtration or centrifugation after completion of the reaction, but also provides practical techniques for recovering these catalysts. Multicomponent reactions are recognized as very powerful tools in synthetic organic and medicinal chemistry for the synthesis of the complex products in a single step from simple ...
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BACKGROUND: Quinoline-containing compounds present in both natural and synthetic products are an important class of heterocyclic compounds. Many of the substituted quinolines have been used in various areas including medicine as drugs. Compounds with quinoline skeleton possess a wide range of bioactivities such as antimalarial, anti-bacterial, anthelmintic, anticonvulsant, antiviral, anti-inflammatory, and analgesic activity. Due to such a wide range of applicability, the synthesis of quinoline ...
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