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FRIEDEL-CRAFTS ALKYLATION OF ANISOLE AND BENZYL BROMIDE USING ZIF-8 AS AN EFFICIENT CATALYST

Nam Thanh Son Phan 1, *
Ky Khac Anh Le 1
Nhung Thi Hong Nguyen 2
  1. University of Technology, VNU-HCM
  2. Nong Lam University of HCM city
Correspondence to: Nam Thanh Son Phan, University of Technology, VNU-HCM. Email: pvphuc@hcmuns.edu.vn.
Volume & Issue: Vol. 14 No. 4 (2011) | Page No.: 74-84 | DOI: 10.32508/stdj.v14i4.2010
Published: 2011-12-30

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Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. 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

A highly porous zeolite imidazolate frameworks (ZIF-8) was synthesized from the reaction of zinc nitrate hexahydrate and 2-methylimidazole by a solvothermal method in DMF. The ZIF-8 was characterized using several techniques including X-ray powder diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), thermogravimetric analysis (TGA), Fourier transform infrared (FT-IR), atomic absorption spectrophotometry (AAS), and nitrogen physisorption measurements. Highly crystalline porous ZIF-8 was achieved with Langmuir surface areas of more than 1700 m2/g being observed. The ZIF-8 could be effectively used as a solid acid catalyst for the Friedel-Crafts alkylation reaction between anisole and benzyl bromide with no contribution from homogeneous catalysis of active acid species leaching into reaction solution.

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