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VNUHCM Journal of

Advanced Research in Natural Sciences

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam

ISSN: 3126-3011
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Synthesis of ion liquid 1-allyl-3-methylimidazolium trifluoromethanesulfonate and application as green solvent on the Friedel-Crafts acylation

Ngo Thi Kim Dung 1
Tran Hoang Phuong 2, *

  1. Tra Vinh University
  2. University of Science, VNU-HCM
Correspondence to: Tran Hoang Phuong, University of Science, VNU-HCM. Email: thphuong@hcmus.edu.vn.
Volume & Issue: Vol. 2 No. 1 (2018) | Page No.: 34-39 | DOI: 10.32508/stdjns.v2i1.671
Published: 2019-01-06

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Copyright © 2019 by the author(s).

This article is published with open access by Viet Nam National University Ho Chi Minh City, Viet Nam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

Abstract

ZnCl2 in 1-allyl-3-methylimidazolium trifloromethanesulfonate was found to be a good catalyst for the Friedel-Crafts acylation. The ketone product was isolated easily from the reaction mixture. The reactions were found to proceed smoothly under microwave irradiation. The isolated yield was high with 95% selectivity of pisomer within a few minutes. Moreover, ZnCl2 and ion liquid have been recovered and reused several times without significant loss of catalytic activity.

Keywords: Acylation Friedel-Crafts imidazolium ionic liquid ZnCl2 microwave

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