The interactions of oxotitanium(IV) and oxovanadium(IV) with arylbis (5-hydroxy-3-methyl-1-phenyl-4-pyrazolyl)methane (ArBPyM) ligands containing enolic oxygen donors, have been studied with ir spectroscopy, thermogravi-metric measurements and elemental analysis. The results indicate the probable formation of dimeric complexes (metal: ligand ratio = 1:1) through bridging sulfato ligand. Application of differential thermal analysis allowed determination of the mechanism of thermal decomposition of the complexes.
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Stefan et al. (1994) studied this question.
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