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A Reactive and Environmentally Friendly Protocol for Expeditious Synthesis of Various Resorcinarenes Using Zinc Hydrogen Sulfate Publisher



Mouradzadegun A1, 2 ; Ganjali MR2, 3 ; Kheirandish N1 ; Abadast F1
Authors
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Authors Affiliations
  1. 1. Department of Chemistry, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
  2. 2. Center of Excellence in Electrochemistry, University of Tehran, Tehran, Iran
  3. 3. Biosensor Research Center, Endocrinology & Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Supramolecular Chemistry Published:2019


Abstract

In this work, for the first time, metal hydrogen phosphates and sulfates have been studied as effective solid acid catalysts for the condensation of resorcinol with aromatic and aliphatic aldehydes to give tetrameric cyclic products, resorcinarenes, which have major roles in biological and industrial activities. This catalyst has several advantages, it is non-toxic, thermally and mechanically stable, inexpensive and highly resistant against organic solvents. It increases the reaction rate about six fold and makes this method an attractive alternative to the existing methods for resorcinarene formation. Interestingly, the present catalyst exhibited a high turnover number (TON) and turnover frequency (TOF) which were even comparable with that of HCl. © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.
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