Open AccessFRIEDEL-CRAFTS ALKYLATION OF ANISOLE AND BENZYL BROMIDE USING ZIF-8 AS AN EFFICIENT CATALYST
Author(s) -
Nam T. S. Phan,
Ky Khac Anh Le,
Nhung Nguyen
Publication year - 2011
Publication title -
khoa học công nghệ
Language(s) - English
Resource type - Journals
ISSN - 1859-0128
DOI - 10.32508/stdj.v14i4.2010
Subject(s) - anisole , catalysis , friedel–crafts reaction , thermogravimetric analysis , alkylation , chemistry , benzyl chloride , inorganic chemistry , physisorption , nuclear chemistry , organic chemistry
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.