Citation: Gholamabbas Chehardoli, Mohammad Ali Zolfigol, Seyedeh Bahareh Azimi, Ebadollah Alizadeh d. Melamine-(H₂SO₄)₃ and PVP-(H₂SO₄)n as solid acids:Synthesis and application in the first mono- and di-nitration of bisphenol A and other phenols[J]. Chinese Chemical Letters, ;2011, 22(7): 827-830. doi: 10.1016/j.cclet.2011.01.021 shu

Melamine-(H₂SO₄)₃ and PVP-(H₂SO₄)n as solid acids:Synthesis and application in the first mono- and di-nitration of bisphenol A and other phenols

a School of Pharmacy, Hamedan University of Medical Sciences, Hamedan 65178, Iran;
b Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran;
c Islamic Azad University, Shahre Rey Branch, Shahre Rey, Iran;
d Payame Noor University, Hamedan, Iran

Received Date: 29 October 2010

Melamine and poly vinylpyrrolidone (PVP) reacted with neat sulfuric acid readily to form two new organic solid acids namely melamine-(H₂SO₄)₃ and PVP-(H₂SO₄)n· These solid acids were used for the first nitration of bisphenol A as well as other phenols in the presence of NH₄NO₃. Mono- and di-nitro bisphenol A have been characterized with IR and ¹H NMR techniques.
- Bisphenol A,
- Melamine-(H₂SO₄)₃,
- Nitration,
- PVP-(H₂SO₄)n,
- Phenols
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