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Molecules 2010, 15(10), 7498-7508; doi:10.3390/molecules15107498
Article

Synthesis of New Azo Compounds Based on N-(4-Hydroxypheneyl)maleimide and N-(4-Methylpheneyl)maleimide

*  and
School of Industrial Technology, Universiti Sains Malaysia, 11800 Penang, Malaysia
* Author to whom correspondence should be addressed.
Received: 1 October 2010 / Revised: 14 October 2010 / Accepted: 18 October 2010 / Published: 25 October 2010
Download PDF [502 KB, 18 June 2014; original version 18 June 2014]

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.
Keywords: synthesis; azo compounds; aromatic amines; N-(4-hydroxylpheneyl)maleimide synthesis; azo compounds; aromatic amines; N-(4-hydroxylpheneyl)maleimide
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

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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