Molecules 2010, 15(10), 7498-7508; https://doi.org/10.3390/molecules15107498
Synthesis of New Azo Compounds Based on N-(4-Hydroxypheneyl)maleimide and N-(4-Methylpheneyl)maleimide
School of Industrial Technology, Universiti Sains Malaysia, 11800 Penang, Malaysia
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Received: 1 October 2010 / Revised: 14 October 2010 / Accepted: 18 October 2010 / Published: 25 October 2010
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Abstract
Maleic anhydride was reacted with p-aminophenol and p-toluidine in the presence of di-phosphorus pentoxide (P2O5) as a catalyst to produce two compounds: N-(4-hydroxy-phenyl)maleimide (I) and N-(4-methylphenyl)maleimide (II). The new azo compounds I(a-c) and II(a-c) were prepared by the reaction of I and II with three different aromatic amines, namely aniline, p-aminophenol and p-toluidine. The structures of these compounds were confirmed by CHN, FT-IR, 1H-NMR, 13C-NMR, mass spectrum and UV/Vis spectroscopy.
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Mohammed, I.A.; Mustapha, A. Synthesis of New Azo Compounds Based on N-(4-Hydroxypheneyl)maleimide and N-(4-Methylpheneyl)maleimide. Molecules 2010, 15, 7498-7508.
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