Article ID Journal Published Year Pages File Type
1255671 Chinese Chemical Letters 2011 4 Pages PDF
Abstract

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.

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Physical Sciences and Engineering Chemistry Chemistry (General)
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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
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