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Synthesis of novel spirooxindoles in water by using MnFe2O4 nanoparticles as an efficient magnetically recoverable and reusable catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
40059 45843 2013 9 PDF Available
Title
Synthesis of novel spirooxindoles in water by using MnFe2O4 nanoparticles as an efficient magnetically recoverable and reusable catalyst
Abstract

•An efficient, relatively safe and eco-friendly procedure had been reported.•Novel spirooxindoles via a simple, one-pot three-component reaction synthesized.•Nano MnFe2O4 as a powerful, green, recyclable and reusable catalyst had been used.•Water as a green, safe, inexpensive, and available solvent had been used.•In this method, the reaction times are short and the yields are high.

An efficient, clean, atom-economical and simple method for the one-pot synthesis of novel spirooxindole derivatives via a three-component reaction of isatins, dimedone and anilinolactones was reported. This reaction was performed by using MnFe2O4 nanoparticles (5 mol%) as an efficient magnetically heterogeneous catalyst in water as green solvent. Prominent among the advantages of this method is the use of magnetically recoverable and reusable catalyst, simple work up procedure, good to high product yields and use of water as a solvent that is considered to be relatively environmentally benign.

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Keywords
Multicomponent reaction; Water; Magnetic nanoparticles; Spirooxindole; Tetronic acid; Isatin; Dimedone
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Synthesis of novel spirooxindoles in water by using MnFe2O4 nanoparticles as an efficient magnetically recoverable and reusable catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 467, 2 October 2013, Pages 270–278
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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