PEG‐DIL‐based MnCl42−: A novel phase transfer catalyst for nucleophilic substitution reactions of benzyl halides

Poly(ethylene glycol) dicationic ionic liquid‐based MnCl42− was prepared by nucleophilic substitution of poly(ethylene glycol) dichloride with methylimidazole followed by reaction with MnCl2. The structural properties of the catalyst were systematically investigated using Fourier transform infrared,...

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Bibliographic Details
Published in:Applied organometallic chemistry 2019-02, Vol.33 (2), p.n/a
Main Authors: Goodajdar, Bijan Mombeni, Akbari, Farideh, Davarpanah, Jamal
Format: Article
Language:English
Subjects:
alkyl azide
benzyl thiocyanate
Catalysis
Chemical synthesis
Chemistry
dicationic ionic liquid
Dichlorides
Fourier transforms
green solvent
Halides
Infrared analysis
Ionic liquids
Ions
phase transfer catalyst
Phase transfer catalysts
Polyethylene glycol
Raman spectra
Substitution reactions
Thermogravimetric analysis
Thiocyanates
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Summary:Poly(ethylene glycol) dicationic ionic liquid‐based MnCl42− was prepared by nucleophilic substitution of poly(ethylene glycol) dichloride with methylimidazole followed by reaction with MnCl2. The structural properties of the catalyst were systematically investigated using Fourier transform infrared, UV–visible and Raman spectra and thermogravimetric analysis. The application of this catalyst allows the synthesis of a variety of benzyl thiocyanates and azides in high yield under reflux conditions in water. The main advantages of this method are its easy nature, rapidity, environmental benignity and high yields. PEG‐DIL‐based MnCl42− was prepared from poly(ethylene glycol) dichloride and methylimidazole which were reacted with MnCl2. The novel catalyst was characterized. The application of this catalyst allows the synthesis of a variety of benzyl cyanides and alkyl azides in water.
ISSN:0268-2605
1099-0739
DOI:10.1002/aoc.4647