Süleyman Tanyolag,, Mustafa Yalgin,, B. Ülküseven
1997
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Journal
Reviews in Inorganic Chemistry
Abstract
The ligands 4-amino-3-thioxo-l,2,4-triazin-5(4H)-one and its 2and S-methyl derivatives have been synthesized and characterized. These ligands were reacted with Ζη(Π), Cu(II) and Ni(II)-chloride salts and their analytical dissociation constants were determined in dioxane/water (1/1,v/v) mixtures. Some of these coordination complexes were isolated at two different pH values. The coordination complexes synthesized at pH £ 13.0 value show 5-one <-> 5-o/ tautomerism. The metallated products have been characterized by using analytical data and IR spectroscopy.