Ionic liquid supported on magnetic nanoparticles (-Fe2O3@SiO2-IL-ZnxCly) as the green catalyst for the Paal-Knorr reaction | Zendy

Hai Truong Nguyen | Zendy; Phuong Hoang Tran | Zendy

Open Access

Ionic liquid supported on magnetic nanoparticles (-Fe2O3@SiO2-IL-ZnxCly) as the green catalyst for the Paal-Knorr reaction

Author(s) -

Hai Truong Nguyen,

Phuong Hoang Tran

Publication year - 2019

Publication title -

science and technology development journal - natural sciences

Language(s) - English

Resource type - Journals

ISSN - 2588-106X

DOI - 10.32508/stdjns.v2i5.780

Subject(s) - ionic liquid , catalysis , yield (engineering) , chemistry , mass spectrometry , amine gas treating , solvent , green chemistry , pyrrole , condensation , magnetic nanoparticles , organic chemistry , nanoparticle , nuclear chemistry , materials science , chromatography , nanotechnology , physics , metallurgy , thermodynamics

The ionic liquid supported on magnetic nanoparticles ( -Fe2O3@SiO2-IL-ZnxCly) was found to be an effective catalyst for the Paal–Knorr reaction. The condensation of aromatic amine and acetonylacetone under solvent-free sonication afforded the desired pyrrole derivatives in high yields. The pyrrole derivatives was isolated in yield with a environmentally friendly process. The structure of products was determined by modern methods such as nuclear magnetic resonance spectroscopy (1H and 13C NMR), high resolution mass spectrometry (HR-ESI-MS) or gas chromatography-mass spectrometry (GS-MS). Moreover, the catalyst could be easily recovered by magnetic separation and reused for five times without significant loss of the catalytic activity.

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