New pharmacologically active complexes were prepared from Pd (II), Fe (III), and Cu (II)ions with 2-amino-6-oxo-3-(piperidinylamidino)-4-(4methoxyphenyl)-6,7-dihydro-pyrano[2,3-d]-5,7thiazol ligand (MPTP). The ligand acted as neutral bidentate with the metals _via_ NH and NH2 groups. FT-IR spectra, CHN-analysis, TGA, UV–Vis, molar conductance and 1H &13C NMR spectra were used to characterize the new compounds. Also stability constant of MPTP-complexes was identified in solution ...
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