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trans-Bisaquabis(o-vanillinato)copper(II) (I), cis-aquabis(o-vanillinato)copper(II) (II) and aqua[bis(o-vanillinato)-1,2-ethylenediimin]copper(II) (III) complexes were synthesized and characterized by means of elemental analysis, IR and UV–vis spectroscopy, thermal analysis and X-ray diffraction techniques. The coordination geometry around Cu(II) is a octahedral with coordination number of six for...
The two new azo dyes p-(p-acetylphenylazo)-o-allylphenol (compound I) and p-(p-bromphenylazo)-o-allylphenol (compound II) have been synthesized and studied by FT-IR, UV–VIS, 1 H NMR, 13 C NMR techniques, elemental analysis, X-ray structure analysis and TG, DTG, and DTA analyses. Compound I crystallizes in the monoclinic space group P21/c with a=19.6130(15)Å, b=7.3586(6)Å, c=21.4752(15)Å,...
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