Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 363, Issue -, Pages 178-185Publisher
ELSEVIER
DOI: 10.1016/j.molcata.2012.06.007
Keywords
Metal-organic framework; IRMOF-3; Paal-Knorr reaction; Heterogeneous catalyst; Recyclable
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A highly porous metal-organic framework (IRMOF-3) was synthesized from the reaction of zinc nitrate hexahydrate and 2-amino-1,4-benzenedicarboxylic acid by solvothermal method. Physical characterizations of the material were achieved by using a variety of different techniques, including X-ray powder diffraction (XRD), scanning electron microscope (SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), Fourier transform infrared (FT-IR), atomic absorption spectrophotometry (AAS), and nitrogen physisorption measurements. The IRMOF-3 was used as an efficient heterogeneous catalyst for the Paal-Knorr reaction of benzyl amine with 2,5-hexanedione. Excellent conversions were obtained under mild conditions in the presence of 3 mol% catalyst. The IRMOF-3 catalyst could be reused several times without a significant degradation in catalytic activity. (c) 2012 Elsevier B.V. All rights reserved.
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