Abstract

The new complexes cis-Mo2O5(ahp)2, trans-UO2(ahp)2, ReO(PPh3)(ahp)2I, M(ahp)2, and M′(ahp)3 (M=Co, Cu, Pd; M′=Fe, Ru, Rh; ahp=2-amino-3-hydroxypyridine) have been prepared. The ligand binds via the deprotonated hydroxy oxygen atom and the amino nitrogen atom to the central ion. Infrared, Raman, 1H NMR, and electronic spectra of the complexes have been recorded. 2-Amino-3-hydroxy pyridine was found to behave as an inhibitor with respect to the corrosion of aluminum and copper in acidic solutions.

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