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Mohsen Golestanzadeh
Articles written in Journal of Chemical Sciences
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Volume 125 Issue 5 September 2013 pp 1185-1195
Reza Fareghi-Alamdari Mohsen Golestanzadeh Farima Agend Negar Zekri
In this study, a simple and green method has been developed for the synthesis of bisphenolic antioxidants by the reaction of 2-
tert -butyl-4-methylphenol and aldehydes in the presence of sulphonated multiwalled carbon nanotubes (MWCNTs-SO3H) as heterogeneous, robust and reusable catalysts under solventfree conditions. MWCNTs-SO3H was prepared and characterized by some microscopic and spectroscopic techniques including scanning electron microscopy, transmission electron microscopy, FT-IR spectroscopy and Raman spectroscopy. Acidity of the catalyst was measured by acid-base titration. The catalyst was reused several times without efficient loss of its activity for the preparation of bisphenolic antioxidants. In addition, high yields of the products, relatively short reaction times, being solvent-free and non-toxicity of the catalyst are other worthwhile advantages of the present method.
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Journal of Chemical Sciences
Volume 135, 2023
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