Issue 62, 2018, Issue in Progress

New nano-Fe3O4-supported Lewis acidic ionic liquid as a highly effective and recyclable catalyst for the preparation of benzoxanthenes and pyrroles under solvent-free sonication

Abstract

A novel magnetic nanomaterial-immobilized Lewis acidic ionic liquid was successfully synthesized by the covalent embedding of 3-(3-(trimethoxysilyl)propyl)-1H-imidazol-3-ium chlorozincate (II) ionic liquid to the surface of Fe3O4 nanoparticles. The material was then characterized by FT-IR, SEM, TEM, TGA, ICP-OES, Raman, and EDS. Its performance as a new-generation Lewis acidic catalyst was also examined on the ultrasound-mediated synthesis of benzoxanthenes and pyrroles. Upon completion, the catalyst was simply recovered by an external magnet for multiple reuses without significant lessening of catalytic performance.

Graphical abstract: New nano-Fe3O4-supported Lewis acidic ionic liquid as a highly effective and recyclable catalyst for the preparation of benzoxanthenes and pyrroles under solvent-free sonication

Supplementary files

Article information

Article type
Paper
Submitted
07 Jun 2018
Accepted
10 Oct 2018
First published
18 Oct 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 35681-35688

New nano-Fe3O4-supported Lewis acidic ionic liquid as a highly effective and recyclable catalyst for the preparation of benzoxanthenes and pyrroles under solvent-free sonication

H. T. Nguyen, N. Thi Le, D. Nguyen Chau and P. H. Tran, RSC Adv., 2018, 8, 35681 DOI: 10.1039/C8RA04893B

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