2010
DOI: 10.3390/molecules15107498
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Synthesis of New Azo Compounds Based on N-(4-Hydroxypheneyl)maleimide and N-(4-Methylpheneyl)maleimide

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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Cited by 58 publications
(51 citation statements)
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References 18 publications
(17 reference statements)
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“…The DFT was treated with hybrid functional Becke's three parameter and the Lee, Yang, Parr (B3LYP) [28] as a level of theory and LANL2DZ as a basis set [29,30].…”
Section: Computational Studymentioning
confidence: 99%
“…The DFT was treated with hybrid functional Becke's three parameter and the Lee, Yang, Parr (B3LYP) [28] as a level of theory and LANL2DZ as a basis set [29,30].…”
Section: Computational Studymentioning
confidence: 99%
“…In present time, BMI are widely used as a modifying agent in epoxy resins and developed epoxy-BMI hybrid resins and composites 2,7,8 and characterizetheir mechanical properties RESEARCH ARTICLE like tensile strength, flexibility, tensile modulus, impact strength, toughness and other many mechanical analysis4. However the brittle and high temperature resistance behavior of epoxy resins, limits their many useful mechanical and physical properties, hence their utility for high performance applications are limited 9,10 . The chemically modifications in epoxy resins made by the incorporation of bismaleimide moiety as a chemical modifying-agent in the sequence of improvement of thermal, mechanical, electrical and weather/wet -resistant properties according to their nature, ratios and variety of mixing agents.…”
Section: Introductionmentioning
confidence: 99%
“…The results obtained with AuNPs show better results than the reported method. 17 Thus our method for the synthesis of azo pigments with AuNPs is eco-friendly and gives the optimum yield.…”
Section: Comparative Study Of Catalyst and Yield With The Literaturementioning
confidence: 99%