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Öğe Synthesis, spectroscopic, and molecular structure characterizations of some azo derivatives of 2-hydroxyacetophenone(Elsevier, 2009) Albayrak, Cigdem; Gumrukcuoglu, Ismail E.; Odabasoglu, Mustafa; Iskeleli, Nazan Ocak; Agar, ErbilSome novel azo compounds were prepared by the reaction of 2-hydroxyacetophenone with aniline and its substituted derivatives. The structures of synthesized azo compounds were determined by IR, UV-Vis, H-1 NMR and C-13 NMR spectroscopic techniques and the structures of some of these compounds were also determined by X-ray diffraction studies. Structural analysis using IR in solid state shows that the azo form is favoured in the azo compounds whereas UV-Vis analysis of the azo compounds in solution has shown that there is a azo and ionic form. The azo compounds in the basic solvents dimethylformamide (DMF) and dimethylsulfoxide (DMSO) are both azo and ionic form while these compounds in ethyl alcohol (EtOH) and chloroform (CHCl3) are only azo form. (C) 2009 Elsevier B.V. All rights reserved.
